Analysis

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

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 13:47

General

  • Target

    2024-02-14_8bdfc9816218f3700a83386a3cc3f7e1_cryptolocker.exe

  • Size

    40KB

  • MD5

    8bdfc9816218f3700a83386a3cc3f7e1

  • SHA1

    ec8726ada3e8feb001e04fc6c4857fb97ab62464

  • SHA256

    035183d8c336082843ba0871d51107530523294ef2713d1bdc71ac9a2647196d

  • SHA512

    7a570a1c3243f0f57821abdefd48986fdd9e6e617ebb6ba36e9a5b60c7675feeb8e7f6c0351e2a140989a749dd64864a242e6cecb94b490afeb2f295d560c78d

  • SSDEEP

    768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFqJzY:bxNrC7kYo1Fxf3s05rwxbFSc

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\2024-02-14_8bdfc9816218f3700a83386a3cc3f7e1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-14_8bdfc9816218f3700a83386a3cc3f7e1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\pissa.exe
      "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
      2⤵
      • Executes dropped EXE
      PID:2516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    2961743ff59b9b752af8a1ae3ae45e4b

    SHA1

    9fea4eae4659a4ddb58d4db3831de4deec19bfdb

    SHA256

    6f0f2d4f49dd0f35ea1fe6921d24bcf65da9d3a99c56cb3451dad978ff6335ac

    SHA512

    3d4e1c222ffd0febde92087beff1a8045391960796f5a47051784409a601e90d2af656f77ffb90a53075f5bc7ba2318c86e5935f2eee201ea7e6a575bcc9170e

  • memory/2516-15-0x0000000002D00000-0x0000000002D06000-memory.dmp

    Filesize

    24KB

  • memory/3048-0-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

    Filesize

    24KB

  • memory/3048-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

    Filesize

    24KB

  • memory/3048-2-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

    Filesize

    24KB