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Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2024, 12:31

General

  • Target

    2024-04-19_32e9b8cbc7e3d9d25b573e011f434daa_cryptolocker.exe

  • Size

    40KB

  • MD5

    32e9b8cbc7e3d9d25b573e011f434daa

  • SHA1

    b230309db674dd5aaed691c97fba00cb20bcb140

  • SHA256

    48a31191d917171e07aa35055462c4f1efa318843f557192ecf7ed19aa6f2aa1

  • SHA512

    abd7fe5eaa6a4c8d866384de53b66f7d87e954ac532f3478e0b73b8be9ee47d0d5e7ff2b2bb40acf2549aecbd537df0c3f8d2d86c9f94e560848006e78cfdfd7

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZp:i5nkFGMOtEvwDpjR+viHs3

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 3 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-04-19_32e9b8cbc7e3d9d25b573e011f434daa_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-19_32e9b8cbc7e3d9d25b573e011f434daa_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    386a351674d40fe98a284dd08b824295

    SHA1

    f6db18e04f09f008b36388f16d48832630b39acf

    SHA256

    c41fd9fad50e5f0d6f7d1f44a69e787b6a2bbc45fc499a4b52320d32affe3787

    SHA512

    f00716bec8bee1a9ee91c9421ea958bb42142ca17f95c71eb868be4b1907ed747826b1607cafc151227327b70f1bc9a04e2ebae1494e9fccda636c6586338c73

  • memory/1172-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1172-20-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1172-19-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/1172-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1652-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1652-1-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1652-2-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1652-3-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1652-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1652-14-0x0000000001E70000-0x0000000001E7F000-memory.dmp

    Filesize

    60KB