Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 02:58

General

  • Target

    2024-10-12_8f5fce0926cd8a58e21f7aec661e17bd_cryptolocker.exe

  • Size

    62KB

  • MD5

    8f5fce0926cd8a58e21f7aec661e17bd

  • SHA1

    42ec4a68e2bf7cf72fa9dfad5c163ccd9347b70a

  • SHA256

    59834faaf7481f68723371d998470a849a00b016ea28a40613f21b27d62c9e12

  • SHA512

    c931f8726056cb75a9cf2977324d7bf4d67a745f97c4125ffbb5ea13ada71477aa3cfd4e5eefb33ab191a682579c223c30050ce0f089e281bd90bbf50c82ce01

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucT:ZVxkGOtEvwDpjcao

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\2024-10-12_8f5fce0926cd8a58e21f7aec661e17bd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_8f5fce0926cd8a58e21f7aec661e17bd_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3904
    • 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:4808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    21fd56a6a76403d760ae867ec3d0f1c1

    SHA1

    5985b460b20aad2c7bfc796751c384308755dacc

    SHA256

    efbc9dcb4d58adb25e4a904f32a87934fcc1bab8582c2128fe44c7830bdf0abe

    SHA512

    0da007b9c8cf6e64375c9e6c9a485ff0a525240661b4b4900e7b301a7e934c21ed7bdb3b251119bc708912b7b50e99bb4a90aee58dcbaea94811d84409e46f84

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3904-0-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/3904-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3904-2-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3904-3-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/3904-17-0x00000000004D0000-0x00000000004D3000-memory.dmp

    Filesize

    12KB

  • memory/4808-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4808-25-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB