SYMBOLCOMMON_NAMEaka. SYNONYMS
win.petya (Back to overview)

Petya


There is no description at this point.

References
2020-12-01Trend MicroRyan Flores
@online{flores:20201201:impact:415bf2e, author = {Ryan Flores}, title = {{The Impact of Modern Ransomware on Manufacturing Networks}}, date = {2020-12-01}, organization = {Trend Micro}, url = {https://www.trendmicro.com/en_us/research/20/l/the-impact-of-modern-ransomware-on-manufacturing-networks.html}, language = {English}, urldate = {2020-12-08} } The Impact of Modern Ransomware on Manufacturing Networks
Maze Petya REvil
2017-07-24MalwarebytesMalwarebytes Labs
@online{labs:20170724:bye:ffc2434, author = {Malwarebytes Labs}, title = {{Bye, bye Petya! Decryptor for old versions released.}}, date = {2017-07-24}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/malwarebytes-news/2017/07/bye-bye-petya-decryptor-old-versions-released/}, language = {English}, urldate = {2019-12-20} } Bye, bye Petya! Decryptor for old versions released.
Petya
2017-07-14MalwarebytesMalwarebytes Labs
@online{labs:20170714:keeping:0759a8b, author = {Malwarebytes Labs}, title = {{Keeping up with the Petyas: Demystifying the malware family}}, date = {2017-07-14}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/cybercrime/2017/07/keeping-up-with-the-petyas-demystifying-the-malware-family/}, language = {English}, urldate = {2019-12-20} } Keeping up with the Petyas: Demystifying the malware family
EternalPetya GoldenEye PetrWrap Petya
2017-06-27MicrosoftMicrosoft Defender ATP Research Team
@online{team:20170627:new:385fe97, author = {Microsoft Defender ATP Research Team}, title = {{New ransomware, old techniques: Petya adds worm capabilities}}, date = {2017-06-27}, organization = {Microsoft}, url = {https://www.microsoft.com/security/blog/2017/06/27/new-ransomware-old-techniques-petya-adds-worm-capabilities/}, language = {English}, urldate = {2020-03-06} } New ransomware, old techniques: Petya adds worm capabilities
Petya
2016-07-18MalwarebytesMalwarebytes Labs
@online{labs:20160718:third:4b06b46, author = {Malwarebytes Labs}, title = {{Third time (un)lucky – improved Petya is out}}, date = {2016-07-18}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2016/07/third-time-unlucky-improved-petya-is-out/}, language = {English}, urldate = {2019-12-20} } Third time (un)lucky – improved Petya is out
Petya
2016-05-19Malwarebyteshasherezade
@online{hasherezade:20160519:petya:25c555f, author = {hasherezade}, title = {{Petya and Mischa – Ransomware Duet (Part 1)}}, date = {2016-05-19}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2016/05/petya-and-mischa-ransomware-duet-p1/}, language = {English}, urldate = {2019-12-20} } Petya and Mischa – Ransomware Duet (Part 1)
Petya
2016-04-01MalwarebytesMalwarebytes Labs
@online{labs:20160401:petya:b3dfd23, author = {Malwarebytes Labs}, title = {{Petya – Taking Ransomware To The Low Level}}, date = {2016-04-01}, organization = {Malwarebytes}, url = {https://blog.malwarebytes.com/threat-analysis/2016/04/petya-ransomware/}, language = {English}, urldate = {2019-12-20} } Petya – Taking Ransomware To The Low Level
Petya
Yara Rules
[TLP:WHITE] win_petya_auto (20201023 | autogenerated rule brought to you by yara-signator)
rule win_petya_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.petya"
        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 = { 8d4e28 e8???????? 8d4e4c e8???????? }
            // n = 4, score = 600
            //   8d4e28               | lea                 ecx, [esi + 0x28]
            //   e8????????           |                     
            //   8d4e4c               | lea                 ecx, [esi + 0x4c]
            //   e8????????           |                     

        $sequence_1 = { 8bc6 c1e810 88442429 8bc6 c1e808 8844242a }
            // n = 6, score = 600
            //   8bc6                 | mov                 eax, esi
            //   c1e810               | shr                 eax, 0x10
            //   88442429             | mov                 byte ptr [esp + 0x29], al
            //   8bc6                 | mov                 eax, esi
            //   c1e808               | shr                 eax, 8
            //   8844242a             | mov                 byte ptr [esp + 0x2a], al

        $sequence_2 = { 0f42f2 6a04 56 e8???????? 8bd8 }
            // n = 5, score = 600
            //   0f42f2               | cmovb               esi, edx
            //   6a04                 | push                4
            //   56                   | push                esi
            //   e8????????           |                     
            //   8bd8                 | mov                 ebx, eax

        $sequence_3 = { 6a04 6a20 c705????????20000000 e8???????? }
            // n = 4, score = 600
            //   6a04                 | push                4
            //   6a20                 | push                0x20
            //   c705????????20000000     |     
            //   e8????????           |                     

        $sequence_4 = { 51 83c050 03c7 53 50 e8???????? }
            // n = 6, score = 600
            //   51                   | push                ecx
            //   83c050               | add                 eax, 0x50
            //   03c7                 | add                 eax, edi
            //   53                   | push                ebx
            //   50                   | push                eax
            //   e8????????           |                     

        $sequence_5 = { e8???????? 8d4e10 e8???????? 8d4e1c e8???????? 8d4e28 e8???????? }
            // n = 7, score = 600
            //   e8????????           |                     
            //   8d4e10               | lea                 ecx, [esi + 0x10]
            //   e8????????           |                     
            //   8d4e1c               | lea                 ecx, [esi + 0x1c]
            //   e8????????           |                     
            //   8d4e28               | lea                 ecx, [esi + 0x28]
            //   e8????????           |                     

        $sequence_6 = { c7461001000000 33c0 5e 8be5 }
            // n = 4, score = 600
            //   c7461001000000       | mov                 dword ptr [esi + 0x10], 1
            //   33c0                 | xor                 eax, eax
            //   5e                   | pop                 esi
            //   8be5                 | mov                 esp, ebp

        $sequence_7 = { 8bda c1e60e c1e017 33ff 0bf9 c1eb09 8b4c2424 }
            // n = 7, score = 600
            //   8bda                 | mov                 ebx, edx
            //   c1e60e               | shl                 esi, 0xe
            //   c1e017               | shl                 eax, 0x17
            //   33ff                 | xor                 edi, edi
            //   0bf9                 | or                  edi, ecx
            //   c1eb09               | shr                 ebx, 9
            //   8b4c2424             | mov                 ecx, dword ptr [esp + 0x24]

        $sequence_8 = { 7617 53 33db 8b4e74 03cb }
            // n = 5, score = 600
            //   7617                 | jbe                 0x19
            //   53                   | push                ebx
            //   33db                 | xor                 ebx, ebx
            //   8b4e74               | mov                 ecx, dword ptr [esi + 0x74]
            //   03cb                 | add                 ecx, ebx

        $sequence_9 = { 8d4e10 e8???????? 8d4e1c e8???????? 8d4e28 e8???????? }
            // n = 6, score = 600
            //   8d4e10               | lea                 ecx, [esi + 0x10]
            //   e8????????           |                     
            //   8d4e1c               | lea                 ecx, [esi + 0x1c]
            //   e8????????           |                     
            //   8d4e28               | lea                 ecx, [esi + 0x28]
            //   e8????????           |                     

    condition:
        7 of them and filesize < 229376
}
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