SYMBOLCOMMON_NAMEaka. SYNONYMS
win.teslacrypt (Back to overview)

TeslaCrypt

aka: cryptesla
URLhaus    

There is no description at this point.

References
2021-02-05Trend MicroRaphael Centeno, Monte de Jesus, Don Ovid Ladores, Junestherry Salvador, Nikko Tamana, Llalum Victoria
@online{centeno:20210205:new:33e89f1, author = {Raphael Centeno and Monte de Jesus and Don Ovid Ladores and Junestherry Salvador and Nikko Tamana and Llalum Victoria}, title = {{New in Ransomware: Seth-Locker, Babuk Locker, Maoloa, TeslaCrypt, and CobraLocker}}, date = {2021-02-05}, organization = {Trend Micro}, url = {https://www.trendmicro.com/en_us/research/21/b/new-in-ransomware.html}, language = {English}, urldate = {2021-02-09} } New in Ransomware: Seth-Locker, Babuk Locker, Maoloa, TeslaCrypt, and CobraLocker
Babuk TeslaCrypt
2020-09-02RiskIQJordan Herman
@online{herman:20200902:inter:93b8c50, author = {Jordan Herman}, title = {{The Inter Skimmer Kit}}, date = {2020-09-02}, organization = {RiskIQ}, url = {https://community.riskiq.com/article/30f22a00}, language = {English}, urldate = {2020-09-04} } The Inter Skimmer Kit
magecart DreamBot TeslaCrypt
2019-03-25Trend MicroTrendmicro
@online{trendmicro:20190325:emerging:e4fbb23, author = {Trendmicro}, title = {{Emerging Threat on RANSOM_CRYPTESLA}}, date = {2019-03-25}, organization = {Trend Micro}, url = {https://success.trendmicro.com/solution/1113900-emerging-threat-on-ransom-cryptesla}, language = {English}, urldate = {2020-01-08} } Emerging Threat on RANSOM_CRYPTESLA
TeslaCrypt
2017-06-05Christophe Tafani-Dereeper
@online{tafanidereeper:20170605:set:fb5e95c, author = {Christophe Tafani-Dereeper}, title = {{Set up your own malware analysis lab with VirtualBox, INetSim and Burp}}, date = {2017-06-05}, url = {https://blog.christophetd.fr/malware-analysis-lab-with-virtualbox-inetsim-and-burp/}, language = {English}, urldate = {2020-02-27} } Set up your own malware analysis lab with VirtualBox, INetSim and Burp
TeslaCrypt
2016-05Check PointStanislav Skuratovich
@techreport{skuratovich:201605:looking:0c23f31, author = {Stanislav Skuratovich}, title = {{Looking into Teslacrypt}}, date = {2016-05}, institution = {Check Point}, url = {https://blog.checkpoint.com/wp-content/uploads/2016/05/Tesla-crypt-whitepaper_V3.pdf}, language = {English}, urldate = {2019-12-06} } Looking into Teslacrypt
TeslaCrypt
2016-04-19EndgameMark Mager
@online{mager:20160419:your:df8bb48, author = {Mark Mager}, title = {{Your Package Has Been Successfully Encrypted: TeslaCrypt 4.1A and the Malware Attack Chain}}, date = {2016-04-19}, organization = {Endgame}, url = {https://www.endgame.com/blog/technical-blog/your-package-has-been-successfully-encrypted-teslacrypt-41a-and-malware-attack}, language = {English}, urldate = {2020-01-13} } Your Package Has Been Successfully Encrypted: TeslaCrypt 4.1A and the Malware Attack Chain
TeslaCrypt
2016-03-18MalwarebytesMalwarebytes Labs
@online{labs:20160318:teslacrypt:5c7daff, author = {Malwarebytes Labs}, title = {{Teslacrypt Spam Campaign: “Unpaid Issue…”}}, date = {2016-03-18}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2016/03/teslacrypt-spam-campaign-unpaid-issue/}, language = {English}, urldate = {2019-12-20} } Teslacrypt Spam Campaign: “Unpaid Issue…”
TeslaCrypt
2015-12-16ESET ResearchJosep Albors
@online{albors:20151216:nemucod:b1c1305, author = {Josep Albors}, title = {{Nemucod malware spreads ransomware Teslacrypt around the world}}, date = {2015-12-16}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2015/12/16/nemucod-malware-spreads-ransomware-teslacrypt-around-world/}, language = {English}, urldate = {2019-11-14} } Nemucod malware spreads ransomware Teslacrypt around the world
TeslaCrypt
2015-10-09Palo Alto Networks Unit 42Josh Grunzweig
@online{grunzweig:20151009:latest:c328965, author = {Josh Grunzweig}, title = {{Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan}}, date = {2015-10-09}, organization = {Palo Alto Networks Unit 42}, url = {https://researchcenter.paloaltonetworks.com/2015/10/latest-teslacrypt-ransomware-borrows-code-from-carberp-trojan/}, language = {English}, urldate = {2019-12-20} } Latest TeslaCrypt Ransomware Borrows Code From Carberp Trojan
TeslaCrypt
2015-07-14Kaspersky LabsFedor Sinitsyn
@online{sinitsyn:20150714:teslacrypt:9ad5fb1, author = {Fedor Sinitsyn}, title = {{TeslaCrypt 2.0 disguised as CryptoWall}}, date = {2015-07-14}, organization = {Kaspersky Labs}, url = {https://securelist.com/teslacrypt-2-0-disguised-as-cryptowall/71371/}, language = {English}, urldate = {2019-12-20} } TeslaCrypt 2.0 disguised as CryptoWall
TeslaCrypt
2015-04-27Cisco TalosAndrea Allievi, Earl Carter, Emmanuel Tacheau
@online{allievi:20150427:threat:3754b13, author = {Andrea Allievi and Earl Carter and Emmanuel Tacheau}, title = {{Threat Spotlight: TeslaCrypt – Decrypt It Yourself}}, date = {2015-04-27}, organization = {Cisco Talos}, url = {https://blogs.cisco.com/security/talos/teslacrypt}, language = {English}, urldate = {2019-10-15} } Threat Spotlight: TeslaCrypt – Decrypt It Yourself
TeslaCrypt
Yara Rules
[TLP:WHITE] win_teslacrypt_auto (20211008 | Detects win.teslacrypt.)
rule win_teslacrypt_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2021-10-07"
        version = "1"
        description = "Detects win.teslacrypt."
        info = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.6.0"
        signator_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.teslacrypt"
        malpedia_rule_date = "20211007"
        malpedia_hash = "e5b790e0f888f252d49063a1251ca60ec2832535"
        malpedia_version = "20211008"
        malpedia_license = "CC BY-SA 4.0"
        malpedia_sharing = "TLP:WHITE"

    /* DISCLAIMER
     * The strings used in this rule have been automatically selected from the
     * disassembly of memory dumps and unpacked files, using YARA-Signator.
     * The code and documentation is published here:
     * https://github.com/fxb-cocacoding/yara-signator
     * As Malpedia is used as data source, please note that for a given
     * number of families, only single samples are documented.
     * This likely impacts the degree of generalization these rules will offer.
     * Take the described generation method also into consideration when you
     * apply the rules in your use cases and assign them confidence levels.
     */


    strings:
        $sequence_0 = { 335d04 8b6c2418 894500 895d04 897508 897d0c 31c0 }
            // n = 7, score = 900
            //   335d04               | xor                 ebx, dword ptr [ebp + 4]
            //   8b6c2418             | mov                 ebp, dword ptr [esp + 0x18]
            //   894500               | mov                 dword ptr [ebp], eax
            //   895d04               | mov                 dword ptr [ebp + 4], ebx
            //   897508               | mov                 dword ptr [ebp + 8], esi
            //   897d0c               | mov                 dword ptr [ebp + 0xc], edi
            //   31c0                 | xor                 eax, eax

        $sequence_1 = { 335d04 8b542418 8902 895a04 897208 897a0c 31c0 }
            // n = 7, score = 900
            //   335d04               | xor                 ebx, dword ptr [ebp + 4]
            //   8b542418             | mov                 edx, dword ptr [esp + 0x18]
            //   8902                 | mov                 dword ptr [edx], eax
            //   895a04               | mov                 dword ptr [edx + 4], ebx
            //   897208               | mov                 dword ptr [edx + 8], esi
            //   897a0c               | mov                 dword ptr [edx + 0xc], edi
            //   31c0                 | xor                 eax, eax

        $sequence_2 = { 51 52 8b5510 0fb6c8 }
            // n = 4, score = 900
            //   51                   | push                ecx
            //   52                   | push                edx
            //   8b5510               | mov                 edx, dword ptr [ebp + 0x10]
            //   0fb6c8               | movzx               ecx, al

        $sequence_3 = { 335d04 334d08 33550c 81ffa0000000 0f8456030000 81ffc0000000 0f84ae010000 }
            // n = 7, score = 900
            //   335d04               | xor                 ebx, dword ptr [ebp + 4]
            //   334d08               | xor                 ecx, dword ptr [ebp + 8]
            //   33550c               | xor                 edx, dword ptr [ebp + 0xc]
            //   81ffa0000000         | cmp                 edi, 0xa0
            //   0f8456030000         | je                  0x35c
            //   81ffc0000000         | cmp                 edi, 0xc0
            //   0f84ae010000         | je                  0x1b4

        $sequence_4 = { 53 56 57 8b6c2418 c785f0000000e0000000 8b5c2414 }
            // n = 6, score = 900
            //   53                   | push                ebx
            //   56                   | push                esi
            //   57                   | push                edi
            //   8b6c2418             | mov                 ebp, dword ptr [esp + 0x18]
            //   c785f0000000e0000000     | mov    dword ptr [ebp + 0xf0], 0xe0
            //   8b5c2414             | mov                 ebx, dword ptr [esp + 0x14]

        $sequence_5 = { 335d04 83c510 8b7508 8b7d0c 55 c1c310 0fb6e9 }
            // n = 7, score = 900
            //   335d04               | xor                 ebx, dword ptr [ebp + 4]
            //   83c510               | add                 ebp, 0x10
            //   8b7508               | mov                 esi, dword ptr [ebp + 8]
            //   8b7d0c               | mov                 edi, dword ptr [ebp + 0xc]
            //   55                   | push                ebp
            //   c1c310               | rol                 ebx, 0x10
            //   0fb6e9               | movzx               ebp, cl

        $sequence_6 = { 33859c000000 8985bc000000 51 52 }
            // n = 4, score = 900
            //   33859c000000         | xor                 eax, dword ptr [ebp + 0x9c]
            //   8985bc000000         | mov                 dword ptr [ebp + 0xbc], eax
            //   51                   | push                ecx
            //   52                   | push                edx

        $sequence_7 = { 31c8 c1eb10 c1ea10 0fb6ce }
            // n = 4, score = 900
            //   31c8                 | xor                 eax, ecx
            //   c1eb10               | shr                 ebx, 0x10
            //   c1ea10               | shr                 edx, 0x10
            //   0fb6ce               | movzx               ecx, dh

        $sequence_8 = { 894c2470 8b4c2474 89480c 896804 8910 c7400804000000 }
            // n = 6, score = 100
            //   894c2470             | mov                 dword ptr [esp + 0x70], ecx
            //   8b4c2474             | mov                 ecx, dword ptr [esp + 0x74]
            //   89480c               | mov                 dword ptr [eax + 0xc], ecx
            //   896804               | mov                 dword ptr [eax + 4], ebp
            //   8910                 | mov                 dword ptr [eax], edx
            //   c7400804000000       | mov                 dword ptr [eax + 8], 4

        $sequence_9 = { e8???????? 83ec0c 8b4c2410 83c101 8b542414 }
            // n = 5, score = 100
            //   e8????????           |                     
            //   83ec0c               | sub                 esp, 0xc
            //   8b4c2410             | mov                 ecx, dword ptr [esp + 0x10]
            //   83c101               | add                 ecx, 1
            //   8b542414             | mov                 edx, dword ptr [esp + 0x14]

        $sequence_10 = { 8b542410 8902 890c24 e8???????? 8d0dfd304b00 8b542410 }
            // n = 6, score = 100
            //   8b542410             | mov                 edx, dword ptr [esp + 0x10]
            //   8902                 | mov                 dword ptr [edx], eax
            //   890c24               | mov                 dword ptr [esp], ecx
            //   e8????????           |                     
            //   8d0dfd304b00         | lea                 ecx, dword ptr [0x4b30fd]
            //   8b542410             | mov                 edx, dword ptr [esp + 0x10]

        $sequence_11 = { 8b3d???????? 8b5f4c 891c24 89442430 }
            // n = 4, score = 100
            //   8b3d????????         |                     
            //   8b5f4c               | mov                 ebx, dword ptr [edi + 0x4c]
            //   891c24               | mov                 dword ptr [esp], ebx
            //   89442430             | mov                 dword ptr [esp + 0x30], eax

        $sequence_12 = { 8b7204 83fe00 8b7c2438 894c2420 89742424 }
            // n = 5, score = 100
            //   8b7204               | mov                 esi, dword ptr [edx + 4]
            //   83fe00               | cmp                 esi, 0
            //   8b7c2438             | mov                 edi, dword ptr [esp + 0x38]
            //   894c2420             | mov                 dword ptr [esp + 0x20], ecx
            //   89742424             | mov                 dword ptr [esp + 0x24], esi

        $sequence_13 = { 891406 eb28 8b442410 8b4c2430 01c8 8b542470 }
            // n = 6, score = 100
            //   891406               | mov                 dword ptr [esi + eax], edx
            //   eb28                 | jmp                 0x2a
            //   8b442410             | mov                 eax, dword ptr [esp + 0x10]
            //   8b4c2430             | mov                 ecx, dword ptr [esp + 0x30]
            //   01c8                 | add                 eax, ecx
            //   8b542470             | mov                 edx, dword ptr [esp + 0x70]

        $sequence_14 = { 8b542428 0fb77214 01f1 89442420 894c241c eb2c 8b442428 }
            // n = 7, score = 100
            //   8b542428             | mov                 edx, dword ptr [esp + 0x28]
            //   0fb77214             | movzx               esi, word ptr [edx + 0x14]
            //   01f1                 | add                 ecx, esi
            //   89442420             | mov                 dword ptr [esp + 0x20], eax
            //   894c241c             | mov                 dword ptr [esp + 0x1c], ecx
            //   eb2c                 | jmp                 0x2e
            //   8b442428             | mov                 eax, dword ptr [esp + 0x28]

        $sequence_15 = { c20c00 8b0424 8b4c2408 8a1401 8b742404 }
            // n = 5, score = 100
            //   c20c00               | ret                 0xc
            //   8b0424               | mov                 eax, dword ptr [esp]
            //   8b4c2408             | mov                 ecx, dword ptr [esp + 8]
            //   8a1401               | mov                 dl, byte ptr [ecx + eax]
            //   8b742404             | mov                 esi, dword ptr [esp + 4]

    condition:
        7 of them and filesize < 1187840
}
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