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 Ransomware 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 (20201023 | autogenerated rule brought to you by yara-signator)
rule win_teslacrypt_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-12-22"
        version = "1"
        description = "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 = "20201222"
        malpedia_hash = "30354d830a29f0fbd3714d93d94dea941d77a130"
        malpedia_version = "20201023"
        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 = { 334514 894534 334518 894538 }
            // n = 4, score = 900
            //   334514               | xor                 eax, dword ptr [ebp + 0x14]
            //   894534               | mov                 dword ptr [ebp + 0x34], eax
            //   334518               | xor                 eax, dword ptr [ebp + 0x18]
            //   894538               | mov                 dword ptr [ebp + 0x38], eax

        $sequence_1 = { 894d48 31ca 89554c 89d0 51 }
            // n = 5, score = 900
            //   894d48               | mov                 dword ptr [ebp + 0x48], ecx
            //   31ca                 | xor                 edx, ecx
            //   89554c               | mov                 dword ptr [ebp + 0x4c], edx
            //   89d0                 | mov                 eax, edx
            //   51                   | push                ecx

        $sequence_2 = { 5f 5e 5b 5d 31c0 c3 55 }
            // n = 7, score = 900
            //   5f                   | pop                 edi
            //   5e                   | pop                 esi
            //   5b                   | pop                 ebx
            //   5d                   | pop                 ebp
            //   31c0                 | xor                 eax, eax
            //   c3                   | ret                 
            //   55                   | push                ebp

        $sequence_3 = { 89c6 5a 59 83f608 }
            // n = 4, score = 900
            //   89c6                 | mov                 esi, eax
            //   5a                   | pop                 edx
            //   59                   | pop                 ecx
            //   83f608               | xor                 esi, 8

        $sequence_4 = { 31ca 89d0 5a 59 894550 334534 894554 }
            // n = 7, score = 900
            //   31ca                 | xor                 edx, ecx
            //   89d0                 | mov                 eax, edx
            //   5a                   | pop                 edx
            //   59                   | pop                 ecx
            //   894550               | mov                 dword ptr [ebp + 0x50], eax
            //   334534               | xor                 eax, dword ptr [ebp + 0x34]
            //   894554               | mov                 dword ptr [ebp + 0x54], eax

        $sequence_5 = { 31f9 894d28 31ca 89552c }
            // n = 4, score = 900
            //   31f9                 | xor                 ecx, edi
            //   894d28               | mov                 dword ptr [ebp + 0x28], ecx
            //   31ca                 | xor                 edx, ecx
            //   89552c               | mov                 dword ptr [ebp + 0x2c], edx

        $sequence_6 = { 5d 334500 335d04 8b6c2418 }
            // n = 4, score = 900
            //   5d                   | pop                 ebp
            //   334500               | xor                 eax, dword ptr [ebp]
            //   335d04               | xor                 ebx, dword ptr [ebp + 4]
            //   8b6c2418             | mov                 ebp, dword ptr [esp + 0x18]

        $sequence_7 = { 334d08 33550c 81ffa0000000 0f8452030000 }
            // n = 4, score = 900
            //   334d08               | xor                 ecx, dword ptr [ebp + 8]
            //   33550c               | xor                 edx, dword ptr [ebp + 0xc]
            //   81ffa0000000         | cmp                 edi, 0xa0
            //   0f8452030000         | je                  0x358

        $sequence_8 = { 83c138 894c2420 8944241c 8b44241c 6bc828 8b542428 01ca }
            // n = 7, score = 100
            //   83c138               | add                 ecx, 0x38
            //   894c2420             | mov                 dword ptr [esp + 0x20], ecx
            //   8944241c             | mov                 dword ptr [esp + 0x1c], eax
            //   8b44241c             | mov                 eax, dword ptr [esp + 0x1c]
            //   6bc828               | imul                ecx, eax, 0x28
            //   8b542428             | mov                 edx, dword ptr [esp + 0x28]
            //   01ca                 | add                 edx, ecx

        $sequence_9 = { 8b91a4000000 83fa00 89542464 89442468 0f84d3010000 }
            // n = 5, score = 100
            //   8b91a4000000         | mov                 edx, dword ptr [ecx + 0xa4]
            //   83fa00               | cmp                 edx, 0
            //   89542464             | mov                 dword ptr [esp + 0x64], edx
            //   89442468             | mov                 dword ptr [esp + 0x68], eax
            //   0f84d3010000         | je                  0x1d9

        $sequence_10 = { 83b88400000000 8944245c 894c2458 0f84e1010000 b801000000 8b4c245c }
            // n = 6, score = 100
            //   83b88400000000       | cmp                 dword ptr [eax + 0x84], 0
            //   8944245c             | mov                 dword ptr [esp + 0x5c], eax
            //   894c2458             | mov                 dword ptr [esp + 0x58], ecx
            //   0f84e1010000         | je                  0x1e7
            //   b801000000           | mov                 eax, 1
            //   8b4c245c             | mov                 ecx, dword ptr [esp + 0x5c]

        $sequence_11 = { 8b5128 8b74244c 01d6 8b3d???????? 8b7f20 89e3 }
            // n = 6, score = 100
            //   8b5128               | mov                 edx, dword ptr [ecx + 0x28]
            //   8b74244c             | mov                 esi, dword ptr [esp + 0x4c]
            //   01d6                 | add                 esi, edx
            //   8b3d????????         |                     
            //   8b7f20               | mov                 edi, dword ptr [edi + 0x20]
            //   89e3                 | mov                 ebx, esp

        $sequence_12 = { 8b4c241c 83c101 8b542414 83c228 8b74246c 39f1 89442410 }
            // n = 7, score = 100
            //   8b4c241c             | mov                 ecx, dword ptr [esp + 0x1c]
            //   83c101               | add                 ecx, 1
            //   8b542414             | mov                 edx, dword ptr [esp + 0x14]
            //   83c228               | add                 edx, 0x28
            //   8b74246c             | mov                 esi, dword ptr [esp + 0x6c]
            //   39f1                 | cmp                 ecx, esi
            //   89442410             | mov                 dword ptr [esp + 0x10], eax

        $sequence_13 = { 890424 e8???????? b8ffffffff 89442424 e9???????? 8b442430 890424 }
            // n = 7, score = 100
            //   890424               | mov                 dword ptr [esp], eax
            //   e8????????           |                     
            //   b8ffffffff           | mov                 eax, 0xffffffff
            //   89442424             | mov                 dword ptr [esp + 0x24], eax
            //   e9????????           |                     
            //   8b442430             | mov                 eax, dword ptr [esp + 0x30]
            //   890424               | mov                 dword ptr [esp], eax

        $sequence_14 = { 89b42484000000 8b7274 89b42488000000 8b7268 89b4248c000000 8b7264 89b42490000000 }
            // n = 7, score = 100
            //   89b42484000000       | mov                 dword ptr [esp + 0x84], esi
            //   8b7274               | mov                 esi, dword ptr [edx + 0x74]
            //   89b42488000000       | mov                 dword ptr [esp + 0x88], esi
            //   8b7268               | mov                 esi, dword ptr [edx + 0x68]
            //   89b4248c000000       | mov                 dword ptr [esp + 0x8c], esi
            //   8b7264               | mov                 esi, dword ptr [edx + 0x64]
            //   89b42490000000       | mov                 dword ptr [esp + 0x90], esi

        $sequence_15 = { 890424 89442430 894c242c e8???????? 89c1 }
            // n = 5, score = 100
            //   890424               | mov                 dword ptr [esp], eax
            //   89442430             | mov                 dword ptr [esp + 0x30], eax
            //   894c242c             | mov                 dword ptr [esp + 0x2c], ecx
            //   e8????????           |                     
            //   89c1                 | mov                 ecx, eax

    condition:
        7 of them and filesize < 1187840
}
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