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
    19/09/2024, 03:30

General

  • Target

    2024-09-19_6a8845cbcda9ed712441d3c73bea80c5_cryptolocker.exe

  • Size

    23KB

  • MD5

    6a8845cbcda9ed712441d3c73bea80c5

  • SHA1

    2682e5a755e43778e5ae56ace5b482efb12a9d1f

  • SHA256

    57c691112ae72482620541b633db7adade0916b59600110b83fe0fa30885991f

  • SHA512

    9ebac93800b4f56daecfaac4e915fe658872dc1f0755979d1b14b1fd5c6364060e570d44654c6f617499e253753bd84e32ee8243ff0fb2e81f7b7c1d68bee590

  • SSDEEP

    384:QBOkkLPcM4JIM39ZR8Z87XHjeKtFDcRYpTtOOtEvwDpjqIGRD:QB19M4JIhZMHSKtBcROtOOtEvwDpjg

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\2024-09-19_6a8845cbcda9ed712441d3c73bea80c5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_6a8845cbcda9ed712441d3c73bea80c5_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1540
    • 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:3232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    29d8d7d307f2f96d78ace485985a2b5a

    SHA1

    d31c86d2c5d94efb206ec4f0fe2c27ebcc1e8a36

    SHA256

    67159296c09ae308739a8796069b9aac78d380fdab64b99d9ea4fe12b04b1e15

    SHA512

    653d4ed33aea1a81716fa00d63831c7c47655ae4d5d9c207789e1d0285765fe04aefce625e711a40c34785621c0974cb090c6254ecd5276daa5f4579520e41f7

  • memory/1540-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/1540-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1540-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1540-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/1540-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3232-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3232-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3232-26-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB