Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 05:25

General

  • Target

    2024-11-20_868bd2b809c7d8709c0f1b3f3a7ad027_cryptolocker.exe

  • Size

    73KB

  • MD5

    868bd2b809c7d8709c0f1b3f3a7ad027

  • SHA1

    97cc861893250d94947e1ffa5ee58f15a4437e01

  • SHA256

    d1c2248b34b43811e3e4604f064f9d71d8ac426ca4b4a0214c95a927d916b9e3

  • SHA512

    99cc3985167cc7f8f90f58a61bd5225e3ed5d4b5b2c640f8d85025ab06ceaa5b6097805ab7a42759806ba9e5f304872c00c328cea59fc84f39e9a829f6077654

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rp:vj+jsMQMOtEvwDpj5HZYTjipvF24B

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\2024-11-20_868bd2b809c7d8709c0f1b3f3a7ad027_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_868bd2b809c7d8709c0f1b3f3a7ad027_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4992
    • 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:3944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    b8e0d2c997c87535480e430605dfa605

    SHA1

    7907ecf07dec40c288b66e98763df8ecd0b04dd5

    SHA256

    701804a18e06a87b22f5e18a07b69ed22d81799cb5012febd6442862c759ea85

    SHA512

    215d95edc24d95be7b21d14bea3679fb5c306ef1529057f4e60a3c908d835715ded57f15ddb25cd8594f377b996fc6cf7b7b60300d95cbb6d60cc0540975eb7e

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3944-18-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/3944-17-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

    Filesize

    24KB

  • memory/4992-0-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4992-1-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4992-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB