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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
    12/09/2024, 03:00

General

  • Target

    2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe

  • Size

    47KB

  • MD5

    c5a6e63ea8970539c71dadbdda462fd9

  • SHA1

    d9f760ac7494bfacd154d145a0d6b261f847c628

  • SHA256

    c7c99236df9e87a4a42edf131045af830e65d3d901745c22a87a5156f50463f4

  • SHA512

    f32d7c00e9917c5f29dc7e786fed9263b6147acadc174cb4e984a7d4d0c10f4cc9d6e14c86695df0b92ba4edd4b8382a377d715c46df3740f3778a59092f4eab

  • SSDEEP

    768:y6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjbXOQ69zbjlAAX5e9zrP:y6QFElP6n+gMQMOtEvwDpjbizbR9Xwzz

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_c5a6e63ea8970539c71dadbdda462fd9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2208
    • 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:608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    47KB

    MD5

    2b8f044295cc42b1da3ea910dcb26e4d

    SHA1

    b80516521f15b19f5c4202e51802590fba64ab75

    SHA256

    a5fb00687999d7339e7c4258901cfe41528a81146a0fb5e7445c3c708d593f45

    SHA512

    24ca5b772006c268fbda910e84ad18ab8469d911c865b62f0aa2b3c5a7a314228e8e8df9805165287138e6ae7ae88decba3393fdb12ff0c912914820172017d3

  • memory/608-15-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/608-16-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2208-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2208-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2208-2-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB