Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 23:02

General

  • Target

    2024-01-18_893fa598a5f490dc78a98d3a605c1a2d_cryptolocker.exe

  • Size

    59KB

  • MD5

    893fa598a5f490dc78a98d3a605c1a2d

  • SHA1

    28883b521b85a77623a2d3a25c62c1596f0e45f7

  • SHA256

    2efa9805e3d13ed2967bf0cba7a3072d0d7eb64b0e7c858b47140df5362dc959

  • SHA512

    fbc9dd825ae55098339f657099c7dd39247f10c32176bcf8157c942f19e64a3993c9094c6509261f7f1285aace5ebe58bf4fa11836e6f7b21775caa6ab9a0bdb

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZgBh8i6g7GoFwDJ:xj+VGMOtEvwDpjubEgywV

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\2024-01-18_893fa598a5f490dc78a98d3a605c1a2d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-18_893fa598a5f490dc78a98d3a605c1a2d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    59KB

    MD5

    f12f2602f6cee9e3a9c086b5c155a175

    SHA1

    4d1bde74fcdc8b93170ea57dcd67a71c6baee1bc

    SHA256

    556bc944c976fffe8ff7b743ca28bc956d76dcfaa10efcb345cb846cddbfe45f

    SHA512

    4270e984f8dfe0dcfa0dfe7d74e48647670859766994dd9e2bf5ca4e644f2a1e5fb0f0886005969a4ae4b8b66567fc725c47f07b835066d033d8f37912d95c80

  • memory/1684-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1684-25-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1684-18-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/1684-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2652-1-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2652-9-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2652-13-0x00000000006D0000-0x00000000006E0000-memory.dmp

    Filesize

    64KB

  • memory/2652-8-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2652-0-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2652-26-0x00000000006D0000-0x00000000006E0000-memory.dmp

    Filesize

    64KB