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
    09-09-2024 01:58

General

  • Target

    2024-09-09_f1c06efded08dc54e65c51eb9c722676_cryptolocker.exe

  • Size

    33KB

  • MD5

    f1c06efded08dc54e65c51eb9c722676

  • SHA1

    1a5a473bafac78fa9ecd64338e7814bd4557a848

  • SHA256

    7aaf4629e995677890bea234acba7cc69e0050223e8c5eb8a1bc1d3c3dcb4433

  • SHA512

    77383ca7e48796c3e13136e0af2eb3b8b14647a04ef802a2c443cfb7a204e71b69276f10626c5ada36f8faa6067eb05ee81fca0ce00a86166fcc1495052780f9

  • SSDEEP

    384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdoR:bAvJCYOOvbRPDEgXRcJU

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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-09_f1c06efded08dc54e65c51eb9c722676_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_f1c06efded08dc54e65c51eb9c722676_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    2d264253ad5872837050700b52bc5792

    SHA1

    29476991e085bd71a4fc09926ca0cb84e9805600

    SHA256

    9a05b1021f97f6b9db952a1807b7f412c2c1cf82230790a4a87267f18ca6e856

    SHA512

    ab997a29de7da4aabbe9f315f2a155d2185d28ad9b85196effda495d7e4a5b23c7b045885c8f2fbbf321c0b0a5f9c0a24f7e774f50283d6e812f6039971aa4e0

  • memory/1992-16-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2328-0-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2328-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2328-8-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB