Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    27/04/2021, 08:27

General

  • Target
    Proof of Payment.exe
  • Size 908KB
  • Sample210427-vmf18wm2sx
  • SHA256 e482d2b16ccf9f71c4eab5a33796d1059aed7be13d48e356752498257c437c29
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • netwire

C2
  • 194.5.97.181:3383

  • 194.5.97.181:3385

Attributes
  • activex_autorun

    false

  • activex_key

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • install_path

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • mutex

  • offline_keylogger

    true

  • password

    London@1961

  • registry_autorun

    false

  • startup_name

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VEEkABLZv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp468A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:732
    • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
      2⤵
        PID:2264
      • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
        "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
        2⤵
          PID:2104

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/708-121-0x0000000005270000-0x000000000530C000-memory.dmp

            memory/708-123-0x0000000007230000-0x00000000072D8000-memory.dmp

            memory/708-118-0x00000000053B0000-0x00000000053B1000-memory.dmp

            memory/708-119-0x00000000052A0000-0x00000000052A1000-memory.dmp

            memory/708-120-0x0000000005570000-0x0000000005571000-memory.dmp

            memory/708-114-0x00000000009A0000-0x00000000009A1000-memory.dmp

            memory/708-122-0x0000000005870000-0x000000000587D000-memory.dmp

            memory/708-117-0x00000000058B0000-0x00000000058B1000-memory.dmp

            memory/708-124-0x0000000009880000-0x00000000098E8000-memory.dmp

            memory/708-116-0x0000000005310000-0x0000000005311000-memory.dmp

            memory/2104-127-0x0000000000400000-0x0000000000433000-memory.dmp

            memory/2104-129-0x0000000000400000-0x0000000000433000-memory.dmp