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Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/09/2024, 12:13

General

  • Target

    2024-09-05_a444daee3a1111cf4f4f01ecf6faa9dd_cryptolocker.exe

  • Size

    63KB

  • MD5

    a444daee3a1111cf4f4f01ecf6faa9dd

  • SHA1

    f5d232a902a63095a3bfd69d8e75ba34b2ba3c76

  • SHA256

    d02fc02255af25b78355424a72fbd0b7e0387ebbb574fdd054726ee4e7697c0f

  • SHA512

    6ff2b41bce00e54e0bffcd6aba2e4cb847ef6a03a18361dd87cdbee8cdad498cd8f56eee8e7f65459d50077e25d94f8b17e90555eab49fbe228c54f99a0a4179

  • SSDEEP

    1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnTR:btng54SMLr+/AO/kIhfoKMHdat

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\2024-09-05_a444daee3a1111cf4f4f01ecf6faa9dd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_a444daee3a1111cf4f4f01ecf6faa9dd_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2092
    • 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:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    e759489507d7eed5661ecc1d4de232d8

    SHA1

    0e52ecede958276ecb808f4e132c5c3b74552e66

    SHA256

    91efb02cbab34bcae4be109881cd61dba6fcdb9cc456a15fd859765f7f8903aa

    SHA512

    9de61d8e3851eb698c34cb0e35e1b9d9b7cd56999fa2667aa2ea70566b9e8dcfe82ffddc6ea22687f5aee402c3bdefdae54039ab2733a734d7788bac3d2027b0

  • memory/2092-0-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2092-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2092-8-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2572-16-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB