Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:23

General

  • Target

    2024-10-31_2cc3a29e16ec4ba79428cf465f9d201b_cryptolocker.exe

  • Size

    69KB

  • MD5

    2cc3a29e16ec4ba79428cf465f9d201b

  • SHA1

    7f3a088c1f4d1299ca9a1b52b6f5a103c2175d71

  • SHA256

    98227b01e4f4fe86cc2ad3266d48c7e2956ff25849f02dc8d8b609bf0187bb05

  • SHA512

    95ca23b89670f576e68a5d5da3b4491afbc9b78583635c1d9d07e25f8448eaeaed933a8491550e20394213be63c41e824033286eb378c498601802db10cb7f02

  • SSDEEP

    1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRn:1nK6a+qdOOtEvwDpjm

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
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\2024-10-31_2cc3a29e16ec4ba79428cf465f9d201b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_2cc3a29e16ec4ba79428cf465f9d201b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • 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:1144

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    69KB

    MD5

    5804ccdfede39263ed7b2210398db942

    SHA1

    62739a78e5011cb409a15de8a287210f061f2595

    SHA256

    968b038631f1c2be3e2e3c3eaaee913009ead89c17ee62a585f51a82b11ad92a

    SHA512

    aab112fb6e4d538782ac6c4bc13207db04722a9b19769415ebb2ae4a60f55a1219c9f0234d7c65ae6e3bf747dc6a6e1fdadd249d160c8ee01fe1ca03e009e597

  • memory/1144-19-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/1144-25-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB

  • memory/1144-26-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB

  • memory/2596-0-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB

  • memory/2596-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2596-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2596-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2596-17-0x0000000000500000-0x000000000050F311-memory.dmp

    Filesize

    60KB