Analysis

  • max time kernel
    141s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 11:41

General

  • Target

    2024-10-18_1335acaf8f7fcfe07254a8e8a86f07f9_cryptolocker.exe

  • Size

    37KB

  • MD5

    1335acaf8f7fcfe07254a8e8a86f07f9

  • SHA1

    bb36fd830e60e91eedb0b39da0b14f88c5ec2c0b

  • SHA256

    09e7f3b24e2a06fd6fe5a1a8aa68148c09a255a239ee211df36dd59238b7903f

  • SHA512

    8a913b1263468b521755efc1983572bbdc569b603f8c21864540883e18e13c8b213551ec4180eb0e8f7e6efc0a18c45468cd9e6463b3bb20c6c81f3a8fb6f6c4

  • SSDEEP

    384:60VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26aIIcVRYpetOOtEvwDpjqIGRmdHzOOJ:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqhMaW

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\2024-10-18_1335acaf8f7fcfe07254a8e8a86f07f9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_1335acaf8f7fcfe07254a8e8a86f07f9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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:4912

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    395b1d1352b1ef947d068d2d5bea7dbf

    SHA1

    aa866880dd3d31254850620a43cc04b00f75929b

    SHA256

    d3f8d443bb5d455d59410ef81266a315ea48ba9361c23a0f42fea6149554b974

    SHA512

    6caf13eea922266d44322a41066e62b8a47fd00650c68c9b4430986da423aa86730d975424587e56907ded51e3f41ad9bef79119069baa013935e6c65efff65a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2908-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2908-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2908-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/2908-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/2908-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4912-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4912-20-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4912-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB