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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
    09/10/2024, 04:24

General

  • Target

    2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe

  • Size

    53KB

  • MD5

    12454330717e2aa1a2815cba88c59c65

  • SHA1

    f3c697ebd3a081f8db70c0fa5f15f155de41e512

  • SHA256

    d78125652605de0851a927985594c22c5f9c49a334ba20a3e9ba414c4df6269c

  • SHA512

    2622f385928f36c4f5c571ad819d94249347ecccc73939258dcdd78236019dbe35f9ce6e6e5f7d880fd97d32825e6eca1522f74a96ba8d960ac1ac6eef0c1d2a

  • SSDEEP

    768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOmo:z6QFElP6n+gKmddpMOtEvwDpj31imo

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_12454330717e2aa1a2815cba88c59c65_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    80e63462f4eea1a2b7b919b8e31083f9

    SHA1

    f9a0dcccce038cbc33ed1c4b5e8f19f6397d5af1

    SHA256

    b0cdc9a1c9a7aeed8c7ac45c3f79f2a6afa8b1ecd5678b710ae78a2601237a55

    SHA512

    4c96637e72f984c7288924d7fe60a4e7ed13b32ce85622eca56930eed1a6b15d8e9fcd7a31d70bce5b2a31e7bbf08fb4c0bcb029cd6c11c5b801d4bdf9fa6da2

  • memory/2092-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2092-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2092-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2092-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2092-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2348-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2348-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2348-25-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2348-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB