SYMBOLCOMMON_NAMEaka. SYNONYMS
win.troldesh (Back to overview)

Troldesh

aka: Shade
URLhaus            

There is no description at this point.

References
2020-05-02BitdefenderBitdefender Team
@online{team:20200502:shade:a1481f9, author = {Bitdefender Team}, title = {{Shade / Troldesh Ransomware decryption tool}}, date = {2020-05-02}, organization = {Bitdefender}, url = {https://labs.bitdefender.com/2020/05/shade-troldesh-ransomware-decryption-tool/}, language = {English}, urldate = {2020-05-05} } Shade / Troldesh Ransomware decryption tool
Troldesh
2020-04-27ZDNetCatalin Cimpanu
@online{cimpanu:20200427:shade:4d47bf1, author = {Catalin Cimpanu}, title = {{Shade (Troldesh) ransomware shuts down and releases decryption keys}}, date = {2020-04-27}, organization = {ZDNet}, url = {https://www.zdnet.com/article/shade-troldesh-ransomware-shuts-down-and-releases-all-decryption-keys/}, language = {English}, urldate = {2020-04-28} } Shade (Troldesh) ransomware shuts down and releases decryption keys
Troldesh
2020-04-26shade-team
@online{shadeteam:20200426:repository:25ac040, author = {shade-team}, title = {{Repository with Keys for Shade / Troldesh}}, date = {2020-04-26}, url = {https://github.com/shade-team/keys}, language = {English}, urldate = {2020-04-28} } Repository with Keys for Shade / Troldesh
Troldesh
2019-10-29Kaspersky LabsKaspersky
@online{kaspersky:20191029:shadedecryptor:4a5e5f4, author = {Kaspersky}, title = {{ShadeDecryptor tool}}, date = {2019-10-29}, organization = {Kaspersky Labs}, url = {https://support.kaspersky.com/13059}, language = {English}, urldate = {2020-01-09} } ShadeDecryptor tool
Troldesh
2019-06-25AvastJeff Elder
@online{elder:20190625:ransomware:4b72d11, author = {Jeff Elder}, title = {{Ransomware strain Troldesh spikes again – Avast tracks new attacks}}, date = {2019-06-25}, organization = {Avast}, url = {https://blog.avast.com/ransomware-strain-troldesh-spikes}, language = {English}, urldate = {2020-01-09} } Ransomware strain Troldesh spikes again – Avast tracks new attacks
Troldesh
2019-05-22Palo Alto Networks Unit 42Brad Duncan
@online{duncan:20190522:shade:7647744, author = {Brad Duncan}, title = {{Shade Ransomware Hits High-Tech, Wholesale, Education Sectors in U.S, Japan, India, Thailand, Canada}}, date = {2019-05-22}, organization = {Palo Alto Networks Unit 42}, url = {https://unit42.paloaltonetworks.com/shade-ransomware-hits-high-tech-wholesale-education-sectors-in-u-s-japan-india-thailand-canada/}, language = {English}, urldate = {2020-01-13} } Shade Ransomware Hits High-Tech, Wholesale, Education Sectors in U.S, Japan, India, Thailand, Canada
Troldesh
2019-02-20SANS ISC InfoSec ForumsBrad Duncan
@online{duncan:20190220:more:a3216b8, author = {Brad Duncan}, title = {{More Russian language malspam pushing Shade (Troldesh) ransomware}}, date = {2019-02-20}, organization = {SANS ISC InfoSec Forums}, url = {https://isc.sans.edu/forums/diary/More+Russian+language+malspam+pushing+Shade+Troldesh+ransomware/24668/}, language = {English}, urldate = {2020-01-13} } More Russian language malspam pushing Shade (Troldesh) ransomware
Troldesh
2019-01-28ESET ResearchJuraj Jánošík
@online{jnok:20190128:russia:579f446, author = {Juraj Jánošík}, title = {{Russia hit by new wave of ransomware spam}}, date = {2019-01-28}, organization = {ESET Research}, url = {https://www.welivesecurity.com/2019/01/28/russia-hit-new-wave-ransomware-spam/}, language = {English}, urldate = {2019-11-14} } Russia hit by new wave of ransomware spam
Troldesh
2016-07-13MicrosoftMicrosoft Defender ATP Research Team
@online{team:20160713:troldesh:52c2dc3, author = {Microsoft Defender ATP Research Team}, title = {{Troldesh ransomware influenced by (the) Da Vinci code}}, date = {2016-07-13}, organization = {Microsoft}, url = {https://blogs.technet.microsoft.com/mmpc/2016/07/13/troldesh-ransomware-influenced-by-the-da-vinci-code/}, language = {English}, urldate = {2020-01-13} } Troldesh ransomware influenced by (the) Da Vinci code
Troldesh
2015-09-14Kaspersky LabsVictor Alyushin, Fedor Sinitsyn
@online{alyushin:20150914:shade:3558938, author = {Victor Alyushin and Fedor Sinitsyn}, title = {{The Shade Encryptor: a Double Threat}}, date = {2015-09-14}, organization = {Kaspersky Labs}, url = {https://securelist.com/the-shade-encryptor-a-double-threat/72087/}, language = {English}, urldate = {2019-12-20} } The Shade Encryptor: a Double Threat
CMSBrute Troldesh
2015-06-01Check PointCheck Point
@online{point:20150601:troldesh:19531cf, author = {Check Point}, title = {{“Troldesh” – New Ransomware from Russia}}, date = {2015-06-01}, organization = {Check Point}, url = {https://blog.checkpoint.com/2015/06/01/troldesh-new-ransomware-from-russia/}, language = {English}, urldate = {2019-11-25} } “Troldesh” – New Ransomware from Russia
Troldesh
Yara Rules
[TLP:WHITE] win_troldesh_auto (20200529 | autogenerated rule brought to you by yara-signator)
rule win_troldesh_auto {

    meta:
        author = "Felix Bilstein - yara-signator at cocacoding dot com"
        date = "2020-05-30"
        version = "1"
        description = "autogenerated rule brought to you by yara-signator"
        tool = "yara-signator v0.4.0"
        tool_config = "callsandjumps;datarefs;binvalue"
        malpedia_reference = "https://malpedia.caad.fkie.fraunhofer.de/details/win.troldesh"
        malpedia_rule_date = "20200529"
        malpedia_hash = "92c362319514e5a6da26204961446caa3a8b32a8"
        malpedia_version = "20200529"
        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 / approach 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 = { ff15???????? 59 8b07 832700 33ff 47 57 }
            // n = 7, score = 600
            //   ff15????????         |                     
            //   59                   | pop                 ecx
            //   8b07                 | mov                 eax, dword ptr [edi]
            //   832700               | and                 dword ptr [edi], 0
            //   33ff                 | xor                 edi, edi
            //   47                   | inc                 edi
            //   57                   | push                edi

        $sequence_1 = { e8???????? 8bf0 8d460a c60607 bf???????? 89450c 0fb707 }
            // n = 7, score = 600
            //   e8????????           |                     
            //   8bf0                 | mov                 esi, eax
            //   8d460a               | lea                 eax, [esi + 0xa]
            //   c60607               | mov                 byte ptr [esi], 7
            //   bf????????           |                     
            //   89450c               | mov                 dword ptr [ebp + 0xc], eax
            //   0fb707               | movzx               eax, word ptr [edi]

        $sequence_2 = { 8d460a 50 8bcb e8???????? ff750c e8???????? 8b4508 }
            // n = 7, score = 600
            //   8d460a               | lea                 eax, [esi + 0xa]
            //   50                   | push                eax
            //   8bcb                 | mov                 ecx, ebx
            //   e8????????           |                     
            //   ff750c               | push                dword ptr [ebp + 0xc]
            //   e8????????           |                     
            //   8b4508               | mov                 eax, dword ptr [ebp + 8]

        $sequence_3 = { eb02 33c0 3d00400000 7340 8b437c d1e8 83e007 }
            // n = 7, score = 600
            //   eb02                 | jmp                 4
            //   33c0                 | xor                 eax, eax
            //   3d00400000           | cmp                 eax, 0x4000
            //   7340                 | jae                 0x42
            //   8b437c               | mov                 eax, dword ptr [ebx + 0x7c]
            //   d1e8                 | shr                 eax, 1
            //   83e007               | and                 eax, 7

        $sequence_4 = { eb0b a804 7407 c685f0fdffff02 8b45f4 8b4014 f640100c }
            // n = 7, score = 600
            //   eb0b                 | jmp                 0xd
            //   a804                 | test                al, 4
            //   7407                 | je                  9
            //   c685f0fdffff02       | mov                 byte ptr [ebp - 0x210], 2
            //   8b45f4               | mov                 eax, dword ptr [ebp - 0xc]
            //   8b4014               | mov                 eax, dword ptr [eax + 0x14]
            //   f640100c             | test                byte ptr [eax + 0x10], 0xc

        $sequence_5 = { e9???????? 8b4514 898704010000 e9???????? 83f850 0f8f51010000 0f8440010000 }
            // n = 7, score = 600
            //   e9????????           |                     
            //   8b4514               | mov                 eax, dword ptr [ebp + 0x14]
            //   898704010000         | mov                 dword ptr [edi + 0x104], eax
            //   e9????????           |                     
            //   83f850               | cmp                 eax, 0x50
            //   0f8f51010000         | jg                  0x157
            //   0f8440010000         | je                  0x146

        $sequence_6 = { ffb320010000 68???????? e8???????? 83c410 eb1f ff74241c e8???????? }
            // n = 7, score = 600
            //   ffb320010000         | push                dword ptr [ebx + 0x120]
            //   68????????           |                     
            //   e8????????           |                     
            //   83c410               | add                 esp, 0x10
            //   eb1f                 | jmp                 0x21
            //   ff74241c             | push                dword ptr [esp + 0x1c]
            //   e8????????           |                     

        $sequence_7 = { e8???????? ff75e4 3945e4 7438 e8???????? 59 ff730c }
            // n = 7, score = 600
            //   e8????????           |                     
            //   ff75e4               | push                dword ptr [ebp - 0x1c]
            //   3945e4               | cmp                 dword ptr [ebp - 0x1c], eax
            //   7438                 | je                  0x3a
            //   e8????????           |                     
            //   59                   | pop                 ecx
            //   ff730c               | push                dword ptr [ebx + 0xc]

        $sequence_8 = { fec0 6a01 33db 8d759c 8845f3 c645fc01 e8???????? }
            // n = 7, score = 600
            //   fec0                 | inc                 al
            //   6a01                 | push                1
            //   33db                 | xor                 ebx, ebx
            //   8d759c               | lea                 esi, [ebp - 0x64]
            //   8845f3               | mov                 byte ptr [ebp - 0xd], al
            //   c645fc01             | mov                 byte ptr [ebp - 4], 1
            //   e8????????           |                     

        $sequence_9 = { ff15???????? 59 837d0800 740a ff7508 ff15???????? 59 }
            // n = 7, score = 600
            //   ff15????????         |                     
            //   59                   | pop                 ecx
            //   837d0800             | cmp                 dword ptr [ebp + 8], 0
            //   740a                 | je                  0xc
            //   ff7508               | push                dword ptr [ebp + 8]
            //   ff15????????         |                     
            //   59                   | pop                 ecx

    condition:
        7 of them and filesize < 3915776
}
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