Analysis

  • max time kernel
    94s
  • 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
    19-09-2024 05:27

General

  • Target

    2024-09-19_359ec95cc0a442868301c207799d8597_cryptolocker.exe

  • Size

    60KB

  • MD5

    359ec95cc0a442868301c207799d8597

  • SHA1

    8fb02f7a72c517d26c36bb5c10ea75d895a8e6a2

  • SHA256

    0f68a613d7c6cd1ad59a69e6d47398116fa629b8b4592890355d3cf935e8de96

  • SHA512

    f437d86a161d3cd66ec4a9f7fa4dbc11dce2d84217c9cbb75a06c5353344ab6696a20555e913ef55265955035d10780c80425b0421b137f99c856638858ac93f

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnY:ZzFbxmLPWQMOtEvwDpj386Sj/RsY

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\2024-09-19_359ec95cc0a442868301c207799d8597_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_359ec95cc0a442868301c207799d8597_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1672
    • 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:1768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    2ce3024ec277787f4e0827b36c077f95

    SHA1

    207eb1519de24c1abed5654a7370a90b68bd453c

    SHA256

    a735a06bf6f349d45a488c3a42efaacbd73ded3aef142675b13b617e7a30f5e1

    SHA512

    5470c2502ddee866191c4ae0ac116e0dcdf32a3f2fb24e2106694e72e5335894716090a25de09f849990be51faf634bdc3ad218fea250013fecc5b548efc7eba

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1672-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/1672-1-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/1672-2-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/1672-3-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/1672-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/1768-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1768-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB