Analysis

  • max time kernel
    47s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2023 09:41

General

  • Target

    Proof of Payment.exe

  • Size

    6KB

  • MD5

    043487225e3f9b3e4c203e74d9ea5262

  • SHA1

    9eabb7c17cf1bd6ae8d18612d14447c2bed4b77f

  • SHA256

    376510f81da04b06b0ea217c5cf45b7798459f50a7162dc09737faaefd8a4232

  • SHA512

    0cf417017856c16a605f2ec69d1bec846b08442b3bd6f9bce7b63246908953d8b44545a69c9beef8d11d40211cac0934a49946ea263c61d375b0c6725da6c862

  • SSDEEP

    96:2Sv26u0DjhVa6nScDjDtLr0G86kxNlTzNt:/26nbScvOJHxv1

Malware Config

Extracted

Family

netwire

C2

212.193.30.230:3363

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    HostId-%Rand%

  • keylogger_dir

    %AppData%\Logs\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    Password@2

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 9 IoCs
  • Netwire

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
    "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe
      "C:\Users\Admin\AppData\Local\Temp\Proof of Payment.exe"
      2⤵
        PID:884

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/884-73-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-70-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-63-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-78-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-64-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-74-0x000000000040242D-mapping.dmp
    • memory/884-72-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-66-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-79-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-77-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-69-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/884-68-0x0000000000400000-0x0000000000433000-memory.dmp
      Filesize

      204KB

    • memory/1500-62-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/1500-61-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/1500-60-0x000000006ECF0000-0x000000006F29B000-memory.dmp
      Filesize

      5.7MB

    • memory/1500-58-0x0000000000000000-mapping.dmp
    • memory/1740-55-0x0000000074FA1000-0x0000000074FA3000-memory.dmp
      Filesize

      8KB

    • memory/1740-54-0x0000000001150000-0x0000000001158000-memory.dmp
      Filesize

      32KB

    • memory/1740-57-0x0000000000770000-0x000000000078A000-memory.dmp
      Filesize

      104KB

    • memory/1740-56-0x0000000005AB0000-0x0000000005B60000-memory.dmp
      Filesize

      704KB