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Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 11:47

General

  • Target

    2024-02-14_4a3034c4e340b81a0618dca14901d562_cryptolocker.exe

  • Size

    63KB

  • MD5

    4a3034c4e340b81a0618dca14901d562

  • SHA1

    bc290ee4efd7bb390bc1e6233045237c99a9bce2

  • SHA256

    13be9b8d1e06ae35077688a8073129f39462277796894254b7a47c306fc48b2d

  • SHA512

    ccdb63b9693c6e325937e5987a33a965fc853ba20961223d608fbcf71787fad2594e825790f28ca6d876a9eaac5a25bdb72c6fd76fff7a2ebf75c85914e78d77

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km9M:6j+1NMOtEvwDpjr8ox8UDEy0Km6

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 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\2024-02-14_4a3034c4e340b81a0618dca14901d562_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-14_4a3034c4e340b81a0618dca14901d562_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2132
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    8dbca23c9903881ec19346c7bd124bf9

    SHA1

    a8cc72df19a4cb06849936ee0c56d8a4458b82de

    SHA256

    f4cfd08b28d253ef0eddd774ab96ab4fa9662dc292a631e0c0eaf6a635bf5807

    SHA512

    23b9d5a2de821bc4047bb9af7cce3da16ee96505d13e1c6aeae408bead6d268285c0c1aaef5c213f67f0ae916cff85ed556f0123cf19fee50b60c6e4de08272e

  • memory/2132-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2132-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2132-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2132-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2132-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2132-14-0x0000000001E20000-0x0000000001E2F000-memory.dmp

    Filesize

    60KB

  • memory/2736-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2736-19-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2736-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2736-27-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB