Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-10-2024 01:28

General

  • Target

    2024-10-02_8f6b3088fa8776ae23401a99d6a307cc_cryptolocker.exe

  • Size

    42KB

  • MD5

    8f6b3088fa8776ae23401a99d6a307cc

  • SHA1

    647da0c6e72ec00daa6fbad27174a1d8f832af7a

  • SHA256

    9c09a177d4a37b2e6cb175ca2941d22fd14626498a8b9a7bba4041e724a2e98b

  • SHA512

    124d200bade0c7eb7081403598f8a16884fbbd483d04f80997cdaf98c95c348d32ee2a39ead2b5f30baaa64398a7c95bb732b2c0aaac7855d6a697fe4b4c7563

  • SSDEEP

    768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCB:bA6YcA/X6G0W143Qi

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_8f6b3088fa8776ae23401a99d6a307cc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_8f6b3088fa8776ae23401a99d6a307cc_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3512
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    7598931522a04f66820d1e8daa6a06c1

    SHA1

    df19551c7d50b2bf2c9db66ad5eb4d69cd626dc1

    SHA256

    eabbed1b576c2feae3312a26e61ac6c2c86c4ab77ba72615b18f0a0859da8e9f

    SHA512

    762929e5899c55f839163fde38be0b0dd0f984c80869b0c3aa4f86bc720ec3d527ba79fc38b4cc49a2d5ff3c976235c40753257ceb7282b04ec9c9731b861db9

  • memory/1392-23-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

    Filesize

    24KB

  • memory/3512-0-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/3512-1-0x0000000002350000-0x0000000002356000-memory.dmp

    Filesize

    24KB

  • memory/3512-2-0x0000000003150000-0x0000000003156000-memory.dmp

    Filesize

    24KB