Analysis

  • max time kernel
    49s
  • max time network
    52s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220715-en
  • submitted
    18-07-2022 10:42

General

  • Target

    a5650e96f4ab48e6fcb43efc498f7ba9d9808d786d158d63712444ddcfeea008.exe

  • Size

    291KB

  • MD5

    3980243d51a4bcdbcfe35b7023ce62e4

  • SHA1

    501e41381ce09c277b265c2ebef9db6e3b91ade1

  • SHA256

    a5650e96f4ab48e6fcb43efc498f7ba9d9808d786d158d63712444ddcfeea008

  • SHA512

    5eee744c4a364508c54f9188bc07eca2784df33bf5d528a56d9cd8795ddeabb3526cb3e41dd812a0b82869ef0ad68535b4fdfee79b6f27d3d12fcb197844af89

Score
10/10

Malware Config

Extracted

Family

vulturi

C2

http://193.142.59.123:5050/gate

Attributes
  • c2_encryption_key

    Bigmoney916

  • 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\a5650e96f4ab48e6fcb43efc498f7ba9d9808d786d158d63712444ddcfeea008.exe
    "C:\Users\Admin\AppData\Local\Temp\a5650e96f4ab48e6fcb43efc498f7ba9d9808d786d158d63712444ddcfeea008.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4064
    • 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\a5650e96f4ab48e6fcb43efc498f7ba9d9808d786d158d63712444ddcfeea008.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4436
      • C:\Windows\system32\chcp.com
        chcp 65001
        3⤵
          PID:4584
        • C:\Windows\system32\PING.EXE
          ping 127.0.0.1
          3⤵
          • Runs ping.exe
          PID:2532

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2532-135-0x0000000000000000-mapping.dmp

    • memory/4064-130-0x0000000000100000-0x0000000000150000-memory.dmp

      Filesize

      320KB

    • memory/4064-131-0x00007FF930B60000-0x00007FF931621000-memory.dmp

      Filesize

      10.8MB

    • memory/4064-134-0x00007FF930B60000-0x00007FF931621000-memory.dmp

      Filesize

      10.8MB

    • memory/4436-132-0x0000000000000000-mapping.dmp

    • memory/4584-133-0x0000000000000000-mapping.dmp