Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-09-2024 04:39

General

  • Target

    2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe

  • Size

    38KB

  • MD5

    73e844f9bc12526d741635f5510da61c

  • SHA1

    3f2420b6fd6be338bd50f4f5eaa98476ce0a90b6

  • SHA256

    78e7fab9c0de40f8b409b9efc146e9510f0ff9c07d88953d7ccc0e2bffdccf28

  • SHA512

    57aeb594b396674d406e019ec3c74a523b95e012b707c34923f70b1cd7d79644a9d2599beb9713a1a90b8895b8ef72f7f3bb79b20d693caf2426a7b05b073379

  • SSDEEP

    768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDZFmF:bAvJCF+RQgJeab4sbC

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_73e844f9bc12526d741635f5510da61c_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    8622520c13727053a0393126dd64a7a5

    SHA1

    537d07491640f1479070c8003e96770f0105eb3b

    SHA256

    df0790b868a472e526258af3deba733d5250e3d397ce6008b9dfde0467af5efc

    SHA512

    32d1863c71b99203aede03f0af8563efbf967a573048f00406ad0579716f3b39879698321aff1197b67e4ec1161e5eaa2c57595b5ebe554109dafd0de39163d3

  • memory/1952-23-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2440-0-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2440-8-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2440-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB