Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2024, 08:01

General

  • Target

    2024-08-05_01df9e6bcfcb8676dd4f3d82fe5385f0_cryptolocker.exe

  • Size

    50KB

  • MD5

    01df9e6bcfcb8676dd4f3d82fe5385f0

  • SHA1

    71abb7d39bfb455df93af1c3c81b83978b06f5c8

  • SHA256

    22ff9adf2b9b36e75d88b68e2e2ad45619285d5b62d644a0ca63b052021af148

  • SHA512

    b55c483da310f8e9b21a0ffc85b46386aaef103302ba114ae1aae26e547bcd07dfde056ba11978abdd5f3d9904a032046d6fab7702d4b6e343c51d78b0616abb

  • SSDEEP

    384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/74zpzy:XS5nQJ24LR1bytOOtEvwDpjNbP/0Geh0

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 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-05_01df9e6bcfcb8676dd4f3d82fe5385f0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-05_01df9e6bcfcb8676dd4f3d82fe5385f0_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2268
    • 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:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    4da62e924cb61e4bd924e6d5a4a6fdc8

    SHA1

    35ebb46f367215b171059fcb2703f0c75a2239e7

    SHA256

    052065a3f7992aebf9e0fa4f924aa8fef9b785f34635448d364351b415763a37

    SHA512

    d177f042a1b2506f03a72111503427c5f0f67e1127c1bddfefdca5b4f790fcfefdc4400cdecbde9d995dba6350c56a0fe933463bff2dc98ad496020bd7a34bf3

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2268-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2268-1-0x0000000000550000-0x0000000000556000-memory.dmp

    Filesize

    24KB

  • memory/2268-2-0x0000000000550000-0x0000000000556000-memory.dmp

    Filesize

    24KB

  • memory/2268-3-0x0000000000670000-0x0000000000676000-memory.dmp

    Filesize

    24KB

  • memory/2268-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2900-19-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2900-27-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/2900-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2900-51-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB