Analysis

  • max time kernel
    156s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 19:21

General

  • Target

    3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37.xls

  • Size

    36KB

  • MD5

    248db5be1d228a41495218fef2dc452f

  • SHA1

    93b169f8f787f4c6612dca9ee8d1f71c3cbdf64f

  • SHA256

    3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37

  • SHA512

    a337f2957ad446bff1a964983796cc336b885665fe125543ccb109c02490d4dee8f86b038b4ea5ee11e4f2dcba928761461906618959349770c75c27b9877257

  • SSDEEP

    768:FPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJlXLapYWNn/YvGhb:tok3hbdlylKsgqopeJBWhZFGkE+cL2N9

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\3e6b7d653af15f97a5e26823ed99f6b0bac6d5ebb812c4218dbb9e7929989d37.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:1980
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\ZZTs.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1676

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/1676-60-0x0000000000000000-mapping.dmp
  • memory/1980-54-0x000000002F261000-0x000000002F264000-memory.dmp
    Filesize

    12KB

  • memory/1980-55-0x0000000070FA1000-0x0000000070FA3000-memory.dmp
    Filesize

    8KB

  • memory/1980-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1980-57-0x0000000071F8D000-0x0000000071F98000-memory.dmp
    Filesize

    44KB

  • memory/1980-58-0x00000000760C1000-0x00000000760C3000-memory.dmp
    Filesize

    8KB

  • memory/1980-59-0x0000000071F8D000-0x0000000071F98000-memory.dmp
    Filesize

    44KB

  • memory/1980-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1980-63-0x0000000071F8D000-0x0000000071F98000-memory.dmp
    Filesize

    44KB