Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    10s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/05/2024, 03:41

General

  • Target

    2024-05-17_9c10d97613308234588b7367e80d2a18_cryptolocker.exe

  • Size

    33KB

  • MD5

    9c10d97613308234588b7367e80d2a18

  • SHA1

    197a05ba1dd2024a18d756730af82c3e109ec3fb

  • SHA256

    aa84331720c4e011dc9264f1ad450b7206c2221f778305a4140d38517a99156d

  • SHA512

    d775f171e02b1ba412531a8daf520df7d9a714b0ef6a6cad210be61fb9da843b575a269d704bd2969c1afba08efa30e4a3c1dbffe16244f335b858d61656a1d4

  • SSDEEP

    384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznStEkcsgW:b/yC4GyNM01GuQMNXw2PSjSKkcJW

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-17_9c10d97613308234588b7367e80d2a18_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-17_9c10d97613308234588b7367e80d2a18_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\retln.exe
      "C:\Users\Admin\AppData\Local\Temp\retln.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    33KB

    MD5

    4449b52c90fcf2a0510a9e72315dcabf

    SHA1

    0f0370f4ca8e09d284e84491ac319d2b69b79d9d

    SHA256

    894bdb55228f8ae687f2deaf130c4eaf3497346572afcaf888ffe8ea5fa1a8de

    SHA512

    80ad16626d2c3d0984adafa7241042ba0218c4bdc535565c00b16ad6676f39582e519de2079745c36792db8cbad0a5b4f72e5bef62d17a4ac3fc0b77a43e024c

  • memory/2224-23-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/3028-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB

  • memory/3028-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/3028-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

    Filesize

    24KB