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Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/12/2024, 03:17

General

  • Target

    1c9f51f30857fbcdf0f431f805a6041c3fdee273611a0bbb73360258248e630a.exe

  • Size

    212KB

  • MD5

    c08fac6d0613d282ad5e8472483f8b14

  • SHA1

    e8b2905e714458e71b44dd8680ace06d016b025e

  • SHA256

    1c9f51f30857fbcdf0f431f805a6041c3fdee273611a0bbb73360258248e630a

  • SHA512

    97b8ffe24e4f7368c50d8ca6dd94e8a675d9d65208cae2fcc97dec9f7b18d6fad17c792760aa475b51b402b4ab710a9bad1242746bc3b8d048a3826afaa17a33

  • SSDEEP

    6144:Cob34ERMS/H7YAVsobrVn5G4E3Hi96mbQzJWFO8Omw4GZ:VboEj/8ASWM4Ki96/zqIKGZ

Malware Config

Extracted

Family

simda

Attributes
  • dga

    gatyfus.com

    lyvyxor.com

    vojyqem.com

    qetyfuv.com

    puvyxil.com

    gahyqah.com

    lyryfyd.com

    vocyzit.com

    qegyqaq.com

    purydyv.com

    gacyzuz.com

    lygymoj.com

    vowydef.com

    qexylup.com

    pufymoq.com

    gaqydeb.com

    lyxylux.com

    vofymik.com

    qeqysag.com

    puzylyp.com

    gadyniw.com

    lymysan.com

    volykyc.com

    qedynul.com

    pumypog.com

    galykes.com

    lysynur.com

    vonypom.com

    qekykev.com

    pupybul.com

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Simda family
  • simda

    Simda is an infostealer written in C++.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c9f51f30857fbcdf0f431f805a6041c3fdee273611a0bbb73360258248e630a.exe
    "C:\Users\Admin\AppData\Local\Temp\1c9f51f30857fbcdf0f431f805a6041c3fdee273611a0bbb73360258248e630a.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\ZOGPI1N2\login[1].htm

    Filesize

    162B

    MD5

    4f8e702cc244ec5d4de32740c0ecbd97

    SHA1

    3adb1f02d5b6054de0046e367c1d687b6cdf7aff

    SHA256

    9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

    SHA512

    21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

  • C:\Users\Admin\AppData\Local\Temp\3C1C.tmp

    Filesize

    1KB

    MD5

    8ec9fa74eec49ba385828dcddd14c336

    SHA1

    44b25d3ca72ee5e65de03bfbafcedf031d8ecab6

    SHA256

    cd7ebd0ae472fa551086811b0e95300f5eda21963f1ea5d17635084372826404

    SHA512

    d33f1006973994fb282446eb33bfddc5ebbf12e47c3234ad43e65dd654fcae51d19464b878ded1d8f5e56cfd806993e01b686f67b610d27b228ffbe78f658082

  • C:\Users\Admin\AppData\Local\Temp\3C21.tmp

    Filesize

    24KB

    MD5

    3e96b48a188f76e45fb4f01c3edffea2

    SHA1

    d3e975767ead90b4ddee4a6bbff0bf462ca5c13a

    SHA256

    3bc112aad0cd2b1441b4dd10d5332e036d10658bff0bd4bec8cc4826962071c0

    SHA512

    a84c76d3bb15a101a89e87bbba08d58765610ea12041114885aee69b781419df812e218ea5f1c8b0a6daf10c4ca943d066feb8ed17403117e1c92a8ef2937e5a

  • C:\Users\Admin\AppData\Local\Temp\3C92.tmp

    Filesize

    42KB

    MD5

    2da4c1b3786334162acf3f7112b6041a

    SHA1

    d91e734cab6f500140dcb5e2df8f423d5446e244

    SHA256

    12f22c95e21c27f78dc9e782b0d2656fc884d4a12f7ea8365ffb10d62d93334d

    SHA512

    54057a430cfb6197f448bcb3c32cae182f81be78ca5fd99a484dd4cc8f84a5d9b541a6f2c4b767e54c3fad59c9932dd43869e6edadfeed7d8a9c26109a87b725

  • C:\Users\Admin\AppData\Local\Temp\3C92.tmp

    Filesize

    42KB

    MD5

    ca421c68cfd8496dbb516a8d3af3f95b

    SHA1

    34bb8b8201a4fcdf19a25981fd64608fd8de66dc

    SHA256

    d7736cfe391655f4e318b09b24b4fd2b95c1456cbfcbe5c4e568ce5c6214df14

    SHA512

    8b0782a09a17e331ffe89f247b5094d7e7a51bf465c13cb6822f9a49302e745815686f716e236093f5038734f4d83517d853f2a986f733c25d6b40e7af04c8ae

  • C:\Users\Admin\AppData\Local\Temp\A12E.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\C565.tmp

    Filesize

    1KB

    MD5

    a597025a74af39d4babe9dcb65e77dfb

    SHA1

    899d93ca911459e0398da8317200d6c4228bd376

    SHA256

    7159f57eaebab9bfddf3bab043dd099ef5490e1b8250636ae24f239a37f98b40

    SHA512

    39d82931838dd29f3f86dcf8011d8e3d10f6944568f104c8a204f45f690890fa73218052fbd1ffa96eed2ea025032b0e72cb638a67de2093e2e19aca2ffb887e

  • \Windows\AppPatch\svchost.exe

    Filesize

    212KB

    MD5

    45e4f256150b34ff503e655391d51e40

    SHA1

    c00c2bf7fec3bb780c4fb9091aaceceb447bcccd

    SHA256

    aab446b28a3375976f598a9655dfae730396b7032c8850f67f9e7dc25810578f

    SHA512

    26dc6f0e016a914446c87b85429f2300c443a14337ab475179638d8aa40a54289c7baac55dcf43014aad179100dea569832b1d95bb6ae9be5eb88ecc1a134f95

  • memory/1796-1-0x00000000005C0000-0x0000000000611000-memory.dmp

    Filesize

    324KB

  • memory/1796-16-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/1796-17-0x00000000005C0000-0x0000000000611000-memory.dmp

    Filesize

    324KB

  • memory/1796-19-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1796-2-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1796-0-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-74-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-66-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-30-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-33-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-28-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-26-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-24-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-34-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-36-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-38-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-40-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-60-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-84-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-83-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-82-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-81-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-80-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-79-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-78-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-77-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-76-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-75-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-22-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-72-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-71-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-70-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-69-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-68-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-67-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-32-0x0000000002490000-0x0000000002538000-memory.dmp

    Filesize

    672KB

  • memory/2856-65-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-64-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-63-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-62-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-61-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-58-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-57-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-56-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-55-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-54-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-53-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-52-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-51-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-50-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-49-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-48-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-47-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-46-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-45-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-44-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-43-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-73-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-21-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-20-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-18-0x0000000000400000-0x00000000005BA000-memory.dmp

    Filesize

    1.7MB

  • memory/2856-42-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-59-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB

  • memory/2856-41-0x0000000002980000-0x0000000002A36000-memory.dmp

    Filesize

    728KB