Analysis

  • max time kernel
    139s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-07-2022 10:42

General

  • Target

    41974493fb3bc56d1f4f9224adcf02a7adb179adf827425b6f2f29c4ab6dec3f.exe

  • Size

    291KB

  • MD5

    f5c4755560853724cd144906222ea0e0

  • SHA1

    08599b26cdd0f6e5e37a42b194ecee3390d199ef

  • SHA256

    41974493fb3bc56d1f4f9224adcf02a7adb179adf827425b6f2f29c4ab6dec3f

  • SHA512

    ebfe4fcc477599dbe246759c13e9bf16fbdb72af579aaa0595c82fd335d2a6a3e73557d10c2b3a285eeed8d5a2d8e9b1f93caf64daf0c3a565314130cd22f076

Score
10/10

Malware Config

Extracted

Family

vulturi

C2

http://xmarv.ddns.net:5050/gate

Attributes
  • c2_encryption_key

    testxmarvel1

  • c2_user

    root

Signatures

  • Vulturi

    An info stealer written in C# and first seen in January 2021.

  • Vulturi payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41974493fb3bc56d1f4f9224adcf02a7adb179adf827425b6f2f29c4ab6dec3f.exe
    "C:\Users\Admin\AppData\Local\Temp\41974493fb3bc56d1f4f9224adcf02a7adb179adf827425b6f2f29c4ab6dec3f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\41974493fb3bc56d1f4f9224adcf02a7adb179adf827425b6f2f29c4ab6dec3f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2428
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:2512
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:2368

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/872-130-0x00000000004D0000-0x0000000000520000-memory.dmp

      Filesize

      320KB

    • memory/872-131-0x00007FFE80870000-0x00007FFE81331000-memory.dmp

      Filesize

      10.8MB

    • memory/872-133-0x00007FFE80870000-0x00007FFE81331000-memory.dmp

      Filesize

      10.8MB

    • memory/2368-135-0x0000000000000000-mapping.dmp

    • memory/2428-132-0x0000000000000000-mapping.dmp

    • memory/2512-134-0x0000000000000000-mapping.dmp