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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21/09/2024, 00:43

General

  • Target

    2024-09-21_5403d71e6d39344efa9f801cef5754a3_cryptolocker.exe

  • Size

    39KB

  • MD5

    5403d71e6d39344efa9f801cef5754a3

  • SHA1

    1b4213fbeab7919b7b450d55f7aa034fcefd7431

  • SHA256

    614682ac439d2db1dcb4144bf10b467f3ac79d448b7e2558cd22fddcc1227802

  • SHA512

    34ee8548d6ae3281096eec651c3214e3624a038833b1a4016aa869d5e029827422358395617ccda66732baa2fccf6803824404fbc85201e34f1b76ac82ad00b9

  • SSDEEP

    768:btB9g/WItCSsAGjX7r3BPOMHocM4vUUOmJ+t:btB9g/xtCSKfxLIcMzUwt

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\2024-09-21_5403d71e6d39344efa9f801cef5754a3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_5403d71e6d39344efa9f801cef5754a3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    696dc02c39f45807a0515608f26938c4

    SHA1

    aed5aeeecbcdd293bbbf9bae03425bfc28a62687

    SHA256

    3ac1ff25d0124452981b387e5dfacbd9df534eadea56d96a2b22c17d0649b21b

    SHA512

    463392bbc0e581ef9657a9fa4dafc533fa6653ec9198147cf175178e14c8e91b5a93786ca2d36d52aabb1f228fb375aa7a007c2aea51e844123e54be53ae6a04

  • memory/1852-0-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/1852-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/1852-8-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2360-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

    Filesize

    24KB