Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:22

General

  • Target

    2024-09-19_0463a90f409d4e3d9bcf0fd538a12613_cryptolocker.exe

  • Size

    93KB

  • MD5

    0463a90f409d4e3d9bcf0fd538a12613

  • SHA1

    3227916b9d5a64133119d62c820a0974e58274d9

  • SHA256

    7b31bcbe29b79550770ae18a339f3d2a632fca5bc80097a6b4935ac4e9a1d6c9

  • SHA512

    fd5cb8c58ecfb77cfd0fdaa95446583cd26c0fd6d4e7006407eee0507f4b6b442138830d71d1d0a38497bd167b5f8bcbe37175c15ba1a4ac69bbb83cd986506e

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNpZYzd:vCjsIOtEvwDpj5H8zPswd

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\2024-09-19_0463a90f409d4e3d9bcf0fd538a12613_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_0463a90f409d4e3d9bcf0fd538a12613_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:500
    • 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:1824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    93KB

    MD5

    b7725d41779666d3d99efae0541fa454

    SHA1

    4626d1523687960e2f64a846bad7508d6c0eed9d

    SHA256

    154936a354264bacc4cf8e726531960d17b630962aee0b8540d7508c374890fa

    SHA512

    77ff33023f0745b538690be780a833c8506c7b2f3c837040f5da3249cc9535d22d67b59a2ece0a7cdb94374a0776c41b9ebb975fe266ad5a950f8e7640a0afdc

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/500-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/500-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/500-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/1824-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1824-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB