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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2024, 07:25

General

  • Target

    2024-10-01_593da47a94157c7d8b212ca6907278ed_cryptolocker.exe

  • Size

    31KB

  • MD5

    593da47a94157c7d8b212ca6907278ed

  • SHA1

    96503bf64d66d019546fb1a4c970edc58e10aeac

  • SHA256

    a9a812ddb6c5e1c2283305eaa82d5e055373a1ad5e614e0c4f5b855185d5a71c

  • SHA512

    27e766a2466c574192aa8d0e551b4232fd1e19c2530f84c9908e74e826a89a5fed75190ae34d780e06386e8220e5c1613dfba7456664040cd64249ce488a299d

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9h/:vQz7yVEhs9+js1SQtOOtEvwDpjz9+9A

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\2024-10-01_593da47a94157c7d8b212ca6907278ed_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-01_593da47a94157c7d8b212ca6907278ed_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1184
    • 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:1388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    31KB

    MD5

    23a92b841cffcc1130f0a112178cce04

    SHA1

    d89e1e2c1cbd43e702ffe6b584039f1d6fbe0602

    SHA256

    b0689ae82d71c89ad2f8623316c0c8758eacaca8ff99350725efd0801c787a44

    SHA512

    250c2bef5bdc0faa6b972ea5634384d1f38ae0078032a03b935a8c1761e67d4baf863be3dfdff489051703bc3d0daf40e5c54e9ca2e7a874c8d8943673e272de

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1184-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1184-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1184-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1388-17-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/1388-18-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB