Analysis

  • max time kernel
    94s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:22

General

  • Target

    2024-11-21_02e9d30b868711e077b9053e6567ecf6_cryptolocker.exe

  • Size

    50KB

  • MD5

    02e9d30b868711e077b9053e6567ecf6

  • SHA1

    3425a4252530e2c461f78c3538ce147f7ecf8cd7

  • SHA256

    4861e99918db9fbb6dc60dc7207ddec5dfb1e54f904f6831c197db02e2390944

  • SHA512

    0ebdca600af25e873e1f0e33258d7c8dfa45b4a55b28e17c43d2880588c1d95f6f9bc785a33049e27a4cc94e55f21a1761fb74df9c0dfa9374a01733876a07eb

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0n7I:vj+jsMQMOtEvwDpj5HczerLO04BH

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\2024-11-21_02e9d30b868711e077b9053e6567ecf6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_02e9d30b868711e077b9053e6567ecf6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3536
    • 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:3276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    96473571ccc5943b2d2d00d62415ee73

    SHA1

    eb7a4a1d2f6b26d6c6594bb1d458fa3316087d34

    SHA256

    80fb08fe7f88f3129e0a8f73559ab7deb99ed274cbbe4d43582e640148cf244f

    SHA512

    adb1aea7b74bc73067a2da4f5691539c06ffd7f3ccacbb3a3c8fff61711a4cc5fdd6fc473cf6540b88a3aeb1c9a69902ff32b900798262b23023ef7979b4d939

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3276-18-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/3276-17-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3536-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3536-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3536-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB