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Analysis

  • max time kernel
    132s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/10/2024, 02:22

General

  • Target

    2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe

  • Size

    32KB

  • MD5

    04fc277ecf714558ba02de0acba980ac

  • SHA1

    8136a51102460f1042a332c89925944db62050e4

  • SHA256

    a53dd6fc265418d1c2d32952cbad14f9dc996c4a3de05015dee5921e723ff54b

  • SHA512

    1a108e402bb72c84978305140e4783b66429ef8e1a4784135c123dd0b7ed635af765a374b9f07a093be8c728ea85e0aed3b971c7f8a94364b507f2e6085e912c

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B4lWM:btB9g/WItCSsAGjX7r3B4D

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.

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-04_04fc277ecf714558ba02de0acba980ac_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    32KB

    MD5

    6b857c62c9de1c2bf75874cb2effa092

    SHA1

    e5186c2312c0a416a96a44e1c6ae42e3e02bc565

    SHA256

    45c2cea9ca0d9cc711d462c356f6ae48a1109720dadcdd2d94218d4a453b2aa8

    SHA512

    8cb8290bf413c6351bf595ebc50d314686567a976cc0a8a3e3f68743cbdc082d9b6708cbe553bfb733f8c1fa5b90e7ad18fc352f52201b514557cdc2a8d77304

  • memory/1736-16-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2508-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2508-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2508-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB