Analysis

  • max time kernel
    137s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    01/02/2024, 22:29

General

  • Target

    2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe

  • Size

    36KB

  • MD5

    e74702dcf0e1eaad306efe7fffe08ccb

  • SHA1

    70fd7f543f64973fd38bce176f4ce6b08bb03573

  • SHA256

    f64f791bc818985e4bd084256dc57eaec55d78f549f0b4d0bc4079a6efe4379b

  • SHA512

    b9ae9ddc30229012a612c1bc8b063f0b4ab641a5a05880a17ba133d25677844cbdff2fef8d4a11da5b3170f0e136621cd9312f56ec12a710466cf6e89909f29c

  • SSDEEP

    768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3O3:bxNrC7kYo1Fxf3s06gY3

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-01_e74702dcf0e1eaad306efe7fffe08ccb_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\pissa.exe
      "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
      2⤵
      • Executes dropped EXE
      PID:2232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    912156013029612988adbf2d3e015703

    SHA1

    ab4916d8d18d0bf1d6729b4242e4a77d91161b24

    SHA256

    b924a6b5377fc577ead9737f36dc98920f85251ad955862c765329b379dfa4e4

    SHA512

    b2779a5fc8c38bcdf8ded35db1c0342a02d4295a6df3d45ab65147da64ab394f27dd16dbd0dc1136cc70cf4d2b4b482d660887fca971bbb94302a02ee8c649d1

  • memory/1796-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB

  • memory/1796-1-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB

  • memory/1796-2-0x0000000000410000-0x0000000000416000-memory.dmp

    Filesize

    24KB

  • memory/2232-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2232-21-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB