Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    09/01/2024, 06:40

General

  • Target

    2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe

  • Size

    120KB

  • MD5

    581f4821849faabe69416337bd0e3843

  • SHA1

    3356e5fd49b07037d78a6b80e83d8a4c5d7c5d15

  • SHA256

    d8f5dc5ec39f6a0dff8b155189d97157f9e30b8008fe7af8a5917312059767de

  • SHA512

    4f8d1a9519ca50b5c8cf496a70703bd6038896dcdeabdb4ff46ce930c2652479decb68f224e357a1a6fca50a42370de9657d474ab2a9fee96a8a6368b6cc437d

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTZp:gUj+AIMOtEvwDpjNbwQEIPlemUhYpp

Score
7/10

Malware Config

Signatures

  • 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\2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-08_581f4821849faabe69416337bd0e3843_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    120KB

    MD5

    0b621413e6d0a05b8383368036ccbea6

    SHA1

    fceee9b300597a9e2544b7666cff8c80a9cb52a6

    SHA256

    941ef817bb6879bb64b00359c54eb1200802c6e70cc544c4d350e2684d12f78b

    SHA512

    1891a9d84d1d287193250820e5e351f2c3fc3f1c2726350473d17fcbc72464b50167d386294e2a08b97e08bdf481fa03c8544789fadfa98c1923fac514e6e0d4

  • memory/2108-15-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/2108-20-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2164-0-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2164-1-0x0000000000330000-0x0000000000336000-memory.dmp

    Filesize

    24KB

  • memory/2164-3-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB