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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 21:54

General

  • Target

    2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe

  • Size

    63KB

  • MD5

    d57d0fecf23d8a7a6e824366aad2f7f7

  • SHA1

    9907ba26051a8573e73b6d189a232132c9b9dd06

  • SHA256

    7fb7a2bbbe3ecde4037107aa73b1d4de4aa041d83a7f33c7fe67c8b772f63985

  • SHA512

    40e0205e10bc03af0f61e4599db69ac42a53b9508b9b5694762826f366368d845ba8078b3723ba396a2eceb100cab2d8026e0f412699e87c70676fb93aaa506f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km9e:6j+1NMOtEvwDpjr8ox8UDEy0KmA

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 5 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-13_d57d0fecf23d8a7a6e824366aad2f7f7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    7f07c054bf7380ab45a8f4cc39e76e27

    SHA1

    c5da13104545ad62ac2aa0212c888f75ff03ed42

    SHA256

    56c7f73378641c2fce64d981f74f7081d725295791586844496a058503141c97

    SHA512

    0b9f17bbc30d8ae12fa1086d7d93cad703b1cf0e8e800be96e63582e6e5fa2899e4f5c4f900630e5b69e767c7126c00abf54d918a2a1b5c760cab65d9cd1306b

  • memory/1752-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1752-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1752-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1752-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1752-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1752-26-0x0000000000620000-0x000000000062F000-memory.dmp

    Filesize

    60KB

  • memory/3036-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3036-18-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/3036-20-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

  • memory/3036-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB