Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 15:36

General

  • Target

    2024-10-17_e19436d5850679295a9d21fc2a2fbd87_cryptolocker.exe

  • Size

    35KB

  • MD5

    e19436d5850679295a9d21fc2a2fbd87

  • SHA1

    cc187dbfbfeb2b1e54e6b1d95d61d2fcd31172ef

  • SHA256

    7d69016dc2f06cfe52cfda9d588ea138421004f8aca7ecadd09cf3e4b97fb4be

  • SHA512

    4e4e037b53ed545c9c25a1554a921b8775ae6f4e2e174af615bddb86cd08e8285cba4663c7d96be09113cc96e987a7f5e7d5dffe883e4d939deb1dced06f996f

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRP:vj+jsMQMOtEvwDpj5HcSP

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\2024-10-17_e19436d5850679295a9d21fc2a2fbd87_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_e19436d5850679295a9d21fc2a2fbd87_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3336
    • 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:4052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    b0125c7ca8afec41c8f936d469a072d2

    SHA1

    05b36e64712ec8931e33d989132cae607229a4ef

    SHA256

    7a2096f5eb246e731786bdd46aed158b5599942c3b93b69513243d5db067469d

    SHA512

    ab373aa0b4ec1c6f3a7b194adccfa92cab29522b7ce148015bfe52442d9db720d3e91ef3b365b46c81dacc26cb873dafdee9c427432eda58d305b42e59e28b55

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3336-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3336-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/3336-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/4052-18-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4052-17-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB