Analysis

  • max time kernel
    148s
  • 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 01:58

General

  • Target

    2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe

  • Size

    50KB

  • MD5

    730285f799a8fff89eb79b5b990cec3f

  • SHA1

    7043fe8614097f066997d9a54e8f9d559d4dbeff

  • SHA256

    95e1beee8acf22851a7993e72b71f2021b88de5fe243fddea856052f182d7a9c

  • SHA512

    867060a09d87c6a50a2e372c3909de67750bb3912813ebca6d4907a30f44539661768dea23c7217e0080953ee92739a176108d6436ad50b5713a05a37daef89f

  • SSDEEP

    768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkcBJzV:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfrV

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\2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-31_730285f799a8fff89eb79b5b990cec3f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3840
    • 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:2472

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    d5c3ec36d7562cf850c4b36d1caf5a64

    SHA1

    7a7b46a01c5abfde79f14bbea3db0ab23c29c3b7

    SHA256

    7fad1ccc84ce26753aaae9c472052efc70cbd0d01c301f132ffc821c61c1e6b5

    SHA512

    f3dffb4266bed9b192e6cc6c0915b558dd3bd3ccb947d536f072106bacd0616b46841e5e1f9868edbb93bd944fc82e9c70817d754f9f1b3aa165348db8044ab7

  • memory/2472-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2472-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2472-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3840-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3840-1-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3840-2-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/3840-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/3840-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB