Analysis

  • max time kernel
    92s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 00:46

General

  • Target

    2024-09-06_8ada87e096a74b4a2f84017706ee4bf3_cryptolocker.exe

  • Size

    47KB

  • MD5

    8ada87e096a74b4a2f84017706ee4bf3

  • SHA1

    9f259c122d8d2b931885d7b525e8108c9976a243

  • SHA256

    2154ca4e79911aed31162806d8fd1020ddd377b784ce9e6a2cb402d2863b69a8

  • SHA512

    346746724372eb10788197fb766cda9ef3de52bc967253cbe575c82ca938b40937d3f2d1150d949bf24bfa36e230e1731db70439c4578649174a3b05c7ffd31a

  • SSDEEP

    384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlIGe/1lG/Gb:XS5nQJ24LR1bytOOtEvwDpjNbme/XOGb

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\2024-09-06_8ada87e096a74b4a2f84017706ee4bf3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_8ada87e096a74b4a2f84017706ee4bf3_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3704
    • 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:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    1f72d47ea0c1ec49127b5897a31c6454

    SHA1

    7ad0dc063774ffda11646d3e5acb135916242197

    SHA256

    6b73c44808cb6a30fa208abdaedb1b6dbd85a556d97aba324f284f03875f8c83

    SHA512

    208546f70a3e5a2c05411f4341f25a7da6508a87953ddbdc79e99079ffa0a360a7813e85a084e0eb73d9ffde3715d5b0a792d8c1ebe5122204171addc4b3e636

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3704-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3704-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/3704-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/3704-3-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/3704-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4940-20-0x0000000001F10000-0x0000000001F16000-memory.dmp

    Filesize

    24KB

  • memory/4940-21-0x0000000001F80000-0x0000000001F86000-memory.dmp

    Filesize

    24KB

  • memory/4940-49-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB