Overview

overview

10

Static

static

10

2024-05-22...er.exe

windows7-x64

9

2024-05-22...er.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:39

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General

  • Target

    2024-05-22_83ab1b105c206fd5d37c54c58e90bd99_cryptolocker.exe

  • Size

    38KB

  • MD5

    83ab1b105c206fd5d37c54c58e90bd99

  • SHA1

    c71bfd9fe0c429c947718d5b177a9dcbf520e943

  • SHA256

    059945b0027aea84d1fcb80dae2f6605fe3bb44a089d06ecf1c2833b11f54661

  • SHA512

    c08664ee3ec3631c737680b69d1d3ae830720c9462496d65f4d2c5349e29b1b656bc8d23cf26e02ec11b3de6c665eb636d92a9363bdcf97ee9ca2db201e3ab9b

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSyHmYvV8o:btB9g/WItCSsAGjX7e9N0hunRvGIV8o

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 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 UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-22_83ab1b105c206fd5d37c54c58e90bd99_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_83ab1b105c206fd5d37c54c58e90bd99_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1752
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2752

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\gewos.exe
    Filesize

    39KB

    MD5

    4a22638462294237bd7fac71595151e7

    SHA1

    6308c866c97e6a73bf625824717f7469e9f7b9ae

    SHA256

    52af23aa5d8fbd17079e18df770b3577720609bd63c9f46699170769c1da5560

    SHA512

    eb116c9760e4de92748915373108f1fece0ebd6313b3c4e7261d71f67dd2f30685d9087b46ef7f23152c2245c46e40efad66e6b326b4d0d4afe41bdb4aefff08

    Download Submit
  • memory/1752-8-0x00000000005C0000-0x00000000005C6000-memory.dmp
    Filesize

    24KB

    Download
  • memory/1752-1-0x0000000000400000-0x0000000000406000-memory.dmp
    Filesize

    24KB

    Download
  • memory/1752-0-0x00000000005C0000-0x00000000005C6000-memory.dmp
    Filesize

    24KB

    Download
  • memory/2752-23-0x0000000000380000-0x0000000000386000-memory.dmp
    Filesize

    24KB

    Download