Analysis

  • max time kernel
    142s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2025, 11:06

General

  • Target

    sars.exe

  • Size

    1.3MB

  • MD5

    de296cc9a8a02468ab726641860fb8d3

  • SHA1

    83da409a7a75c7f36955135b26cc9ff81a27d1e7

  • SHA256

    5b2ae52cb8a7924d95ec9008dfcb8216468281fb5c7d07dcdf1a08b68f2bc65c

  • SHA512

    06fcc86bb3e7edffb492448034c41d627766be2fd9731a84938a2c5d415f106c54108cce927310ae45b0bcb05d46754ba216288ac380563e3816f46bb6a3757b

  • SSDEEP

    24576:wu6J33O0c+JY5UZ+XC0kGso6FaD/kcOBp0jC96JAOubUgTAWY:6u0c++OCvkGs9FaD/ktH0jC96JANbbY

Malware Config

Extracted

Family

darkcloud

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.dorasanat.com.tr
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    K0BRhY6s,&aN

Signatures

  • DarkCloud

    An information stealer written in Visual Basic.

  • Darkcloud family
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sars.exe
    "C:\Users\Admin\AppData\Local\Temp\sars.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\sars.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3472 -s 604
      2⤵
      • Program crash
      PID:4212
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3472 -ip 3472
    1⤵
      PID:4820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/116-7-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/116-9-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/116-12-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3472-6-0x0000000001880000-0x0000000001C80000-memory.dmp

      Filesize

      4.0MB