Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 06:35

General

  • Target

    2024-10-02_bc56b38f277d7ab969834fe2d37f4281_cryptolocker.exe

  • Size

    67KB

  • MD5

    bc56b38f277d7ab969834fe2d37f4281

  • SHA1

    05f0e6e62815fe34a3f26dc0fbb96d9a19a175a6

  • SHA256

    cb8a316a7bf8b697745946da0405e02b70ce22eb458acc45eff126c00a976d8d

  • SHA512

    f8690c47bc07ce07a417a6e57d800104a751e5faa5c4d6da3ec7e7724fd3f6422d3314418f5b2862b0e16e171b6ff26484d03eb5e056ddeb972e93f3bfdcd427

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsijS:BbdDmjr+OtEvwDpjM8D

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-02_bc56b38f277d7ab969834fe2d37f4281_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_bc56b38f277d7ab969834fe2d37f4281_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3208
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    67KB

    MD5

    d3c6f3d796cbe8f95bf676e1903552d3

    SHA1

    e00ac8d2008a046883d382e55b4c5e014da1eb75

    SHA256

    28a80ef11ed16697c075b4c272db857a02bc94bbd0178026165012fdda088ac5

    SHA512

    ed8d5edd85b73107c5b63fc9d6e9480b81963ce20d359bcc6614b5a914be20e89a06b61ae1afbd42bae2607a7b93432316380c8998b69c47067d676e44c34a90

  • memory/3208-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3208-1-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3208-2-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/3208-3-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/3208-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4468-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4468-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4468-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB