Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:28

General

  • Target

    2024-11-21_4899ab25f5676882b62f86b529447809_cryptolocker.exe

  • Size

    53KB

  • MD5

    4899ab25f5676882b62f86b529447809

  • SHA1

    d4073f6ad4c86df85698083a17e774d9e64a4ad6

  • SHA256

    d0ca8b2dcff479e601aced5ad186ffacb515f09237c0dafe3f6a581a635ff57b

  • SHA512

    695aa22454538f075b9075c186b29b270c5627848e53d06b7ac7e2975ac4dee62375fd4aff9d3bbd1745af44fdee7edfb0e90fa12700176a4d4ab1d17148f70b

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFvPx:vj+jsMQMOtEvwDpj5HH1nw73KOFx

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_4899ab25f5676882b62f86b529447809_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_4899ab25f5676882b62f86b529447809_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    d60844c41a8a01f224703be52a019214

    SHA1

    67308fadedae27295c32d11c9df6fbc9c7d87c7e

    SHA256

    8b3adc92552159f5b39976e85a094ec5386f8072463b86f9bd8d496eb8fc2a8a

    SHA512

    351894c40516ce26a7438a4c223790bd1053bbfd3cdd63aa1aedca6c6f6bbfc0067b1cf12105f25f9b51b607c73c53069c4eb3753e38d5b575a5ced9405b0775

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1652-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/1652-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/1652-2-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/1928-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1928-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB