Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 12:28

General

  • Target

    2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe

  • Size

    45KB

  • MD5

    7375c42e1222c2b1143e87af5452bf1a

  • SHA1

    d9768fe9e42c59ae6c28b42be3c50695bd9e2444

  • SHA256

    a18d35f6738ce504a951d734bbfdacb17aecf9f8f805949d25b54c2612adb41f

  • SHA512

    a403ad51cd4f28687973a8f0f3c34cc5559891fb01020d64f06dfca391fe7955605337b1324bb7ae395cb4ed6d528638831afe3bcbd0d0d523e36daf67c8754c

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldedo:xj+VGMOtEvwDpjk/em

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\2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_7375c42e1222c2b1143e87af5452bf1a_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2892
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    485206f3058785612fa764453ab3fc9e

    SHA1

    7fcf310ad0f8909d71d32df046dda0349bc09397

    SHA256

    f0921b4ec9e1e6d33ffab68acd822243067df03441f0120178fec4e861384732

    SHA512

    bbb562262e9176ebdc48f77c9796a1ff5d16c7dd7cc15c3af98b6f1451d5e8f9cff6cf2a613cdb67ad5fb26bfd503aa85bbb72d751a5f955cf4cbdc5051081f3

  • memory/2764-17-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2764-24-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2764-25-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2892-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2892-2-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2892-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2892-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2892-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB