Analysis

  • max time kernel
    134s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 06:27

General

  • Target

    2024-11-02_bd60ce31891c66518485cd2c2659a207_cryptolocker.exe

  • Size

    45KB

  • MD5

    bd60ce31891c66518485cd2c2659a207

  • SHA1

    9630f22cb5c6d160e12f4e9ee6110c45b133bc79

  • SHA256

    dc34a569ddfc6d407b2d4079a62402ef362bab85529460a894177c1ff6fd6030

  • SHA512

    3979a0ea8e293748bb65417a7df11c2b9139022b22a68dadbb28b574bcdad1cde171c2bd45ac262de4098e2932087cb79920a58df907d71af42e1659e68aacdc

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1ws4:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1S

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-02_bd60ce31891c66518485cd2c2659a207_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_bd60ce31891c66518485cd2c2659a207_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    45KB

    MD5

    97cc23e9052a55a2ddcbba33fe79a6fa

    SHA1

    be28b98b96db40a05214cdb14cabeb30d3cb79f8

    SHA256

    0b8bfa5767b2e66f07397e2b7d9ffc172b4ab93fea238e45edd2ad3e571e6744

    SHA512

    2cd415a9f69d7b4b57818956c3fd8c91ab7e8bd285193bbea859be5c45d446dae1c642fc4735f1a850b06cd30bfefe64bac6bbc5719ee03d34666d898338900d

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3528-0-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/3528-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/3528-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/3528-3-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/3528-17-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/4812-19-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/4812-20-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB