Analysis

  • max time kernel
    94s
  • max time network
    124s
  • 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, 03:26

General

  • Target

    2024-10-01_0bcca81e2b1d909d075c9c91baad6591_cryptolocker.exe

  • Size

    53KB

  • MD5

    0bcca81e2b1d909d075c9c91baad6591

  • SHA1

    1941f1b8629dcd6c03a92fe2c1d51f2da3fde94c

  • SHA256

    f4fa05098dd0076c16dafad98dd09344a1d0f535c01c7d777176064d65b33914

  • SHA512

    9d78a7773a9895c419cd819e72d0df0fc24bb6224811e12580b52888f3268c2869d43d98b21e89a21526e8b74a126e38fe5137687232c43c65dc98c0db1d5879

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntbcu:vj+jsMQMOtEvwDpj5HczerLO04BGcu

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-01_0bcca81e2b1d909d075c9c91baad6591_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-01_0bcca81e2b1d909d075c9c91baad6591_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2804
    • 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:4568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    f706d2b526ce31c2e0784bc2f85ee50b

    SHA1

    3f063320c452b90e785ec5ac810c6115dbac4f4a

    SHA256

    5dd56424360795f8fac35df72ebd4f1ad6864045f3e6987de0652fb53a98abb8

    SHA512

    c3c7f576b6018d91352fc3a4e725c99406b8a0d37677e0dbddf9afa4a1821f7800ab582b20c567574b1050c77c734a48a496cb72d15a4138a4e37f2e17784681

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2804-0-0x00000000007A0000-0x00000000007A6000-memory.dmp

    Filesize

    24KB

  • memory/2804-1-0x00000000007A0000-0x00000000007A6000-memory.dmp

    Filesize

    24KB

  • memory/2804-2-0x00000000007C0000-0x00000000007C6000-memory.dmp

    Filesize

    24KB

  • memory/4568-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/4568-17-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB