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Analysis

  • max time kernel
    140s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/10/2024, 04:13

General

  • Target

    2024-10-18_e8f128a178a734d445fb4de1039f876a_cryptolocker.exe

  • Size

    40KB

  • MD5

    e8f128a178a734d445fb4de1039f876a

  • SHA1

    2c444dec715c794ecd5868cb7e7307e028e8204e

  • SHA256

    cbdc3613500e6d84611a3d7d16ab9f7738838b6b519c5e9b963d03483075d598

  • SHA512

    59d6c31ac013f080858b6d10a210e2dad5b3f59682af0528721238c85073f5b208554a235e48c6b235b551aecc842ac0bb183db2fb5514e7d9eb38abfaa6f65c

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qj:fT+hsMQMOtEvwDpjoIH8

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-18_e8f128a178a734d445fb4de1039f876a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_e8f128a178a734d445fb4de1039f876a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4172
    • 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:3564

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    4b9fe4f40126073cad2b9ab170c2fb80

    SHA1

    7ef7ae38515a3d7f55fc6deac77be5251161b697

    SHA256

    d3835ab603c623e4d1904cf77367f3f947e05f9b0d6495e540237651bdd65733

    SHA512

    7848d21f79954efa014a478653a9b6c79c6aa994eb87a2d289f47752300bb6533aa9642522035951999a08b55ccd7648c0bcab140f53e5727bb372061e01d081

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3564-23-0x0000000000840000-0x0000000000846000-memory.dmp

    Filesize

    24KB

  • memory/3564-18-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

    Filesize

    24KB

  • memory/4172-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4172-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4172-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB