Analysis

  • max time kernel
    94s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:37

General

  • Target

    2024-11-21_7ea6c074ae753662d80d600b57f210d7_cryptolocker.exe

  • Size

    62KB

  • MD5

    7ea6c074ae753662d80d600b57f210d7

  • SHA1

    cec4bc8b07daff1984428d41ae42f478ce40b182

  • SHA256

    85514bd710250e57eeb9017ae21186b0bc272fa2598a14427c80d6035b75d4a6

  • SHA512

    fb1b7ebfe8e8e61841e1bbe7931f2df972846d70802a3d8821c3c4ebb97816a6e5a9ccdad1d9929961cc7a5b7270cb2e244faec338316dd37b3aca573096bc28

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36uci:ZVxkGOtEvwDpjcat

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\2024-11-21_7ea6c074ae753662d80d600b57f210d7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_7ea6c074ae753662d80d600b57f210d7_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3496
    • 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:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    63KB

    MD5

    7883cfdddf4f65099fd975a5f3648971

    SHA1

    7d49701a3120f7cd1ef64a024540c92d906ffaa8

    SHA256

    ead3549ad59f8488b9d00dec4d6a807d48d563275133a46bab3467fe35d9d208

    SHA512

    156fee8b6e1a1e27869e1ac00bebf731dbac59ad41f084d1c54ccd34008b8a3b5ded41e929b21f7385400798f71c7d0d421fde1ea9c0ee8f9f1df9186e58a19e

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1256-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/1256-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/3496-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3496-1-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3496-2-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3496-3-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/3496-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB