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
    05-09-2024 12:37

General

  • Target

    2024-09-05_df1a063208c8e09fc01f61db16cd7038_cryptolocker.exe

  • Size

    79KB

  • MD5

    df1a063208c8e09fc01f61db16cd7038

  • SHA1

    5011699e2ae41f063156129bdd6250decc089675

  • SHA256

    ae69b2097dd0db85f2453a131053c6c839b59df8c09a31ba9776d25d6c475852

  • SHA512

    eea11c728e94027fbcbe811a32729a472f8e47584230ec7ff6f85ff49a9e2f73d9f16ff9849479dc48624a5520a49dd4d0e5c07e879f2e1d4ff957df93f3aef8

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KUJ2:ZVxkGOtEvwDpjca12

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\2024-09-05_df1a063208c8e09fc01f61db16cd7038_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_df1a063208c8e09fc01f61db16cd7038_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3584
    • 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:3788

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    2ae5036dfc5b9f925ad205fb318738b9

    SHA1

    f9443ce8faf3a4e2d4f7498c704e8c6c5df83899

    SHA256

    3a17d64e54f758df378d570e9d014356bd8cb291bccd33c134003ba82e807b60

    SHA512

    496cc117e9014fdb5059816bf6a413fbfdd8221a356b1575d4c4d1d13a8e64d79c415e519524681885816981634cf37634fd516dfbe9ddbd98747a85e2f33654

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3584-0-0x0000000000440000-0x0000000000443000-memory.dmp

    Filesize

    12KB

  • memory/3584-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/3584-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/3584-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3584-17-0x0000000000440000-0x0000000000443000-memory.dmp

    Filesize

    12KB

  • memory/3788-19-0x0000000002130000-0x0000000002136000-memory.dmp

    Filesize

    24KB

  • memory/3788-20-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB