Analysis

  • max time kernel
    105s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2.xls

  • Size

    36KB

  • MD5

    b69c73c1931dc1e26cb0dd2ff17cf220

  • SHA1

    3a28260960a7b9cebf5a9837124dda46f231ec46

  • SHA256

    46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2

  • SHA512

    687f03db06b7681219ce207deb2262656a7351d863f3347f372202186e0d2d26bda57b071bd4522335cedc44eff67b933fb99786891c1e860cd243b67c20ea21

  • SSDEEP

    768:9PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ+b50RwHQgcwrpYjJVG:1ok3hbdlylKsgqopeJBWhZFGkE+cL2NJ

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://syracuse.best/wp-data.php

Signatures

  • Process spawned unexpected child process 1 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 use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 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\46c072dfde46c0c18092c36f55c05e3a6059eb7e0ed8ee20f814589a7c34aad2.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:1716
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\vt6sh.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1364

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1364-60-0x0000000000000000-mapping.dmp
  • memory/1716-54-0x000000002F081000-0x000000002F084000-memory.dmp
    Filesize

    12KB

  • memory/1716-55-0x0000000071701000-0x0000000071703000-memory.dmp
    Filesize

    8KB

  • memory/1716-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1716-57-0x00000000726ED000-0x00000000726F8000-memory.dmp
    Filesize

    44KB

  • memory/1716-58-0x00000000765B1000-0x00000000765B3000-memory.dmp
    Filesize

    8KB

  • memory/1716-59-0x00000000726ED000-0x00000000726F8000-memory.dmp
    Filesize

    44KB

  • memory/1716-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1716-63-0x00000000726ED000-0x00000000726F8000-memory.dmp
    Filesize

    44KB