Analysis

  • max time kernel
    108s
  • max time network
    96s
  • 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

    96552f1a1d6b48dfbbab2cec3d8cf724e1e31b1a2219643d351692f9ca557d79.xls

  • Size

    36KB

  • MD5

    7f769c51a14e16bec3873cd1c37aba74

  • SHA1

    577b7a6ee62833f540d66320150d74973bb17919

  • SHA256

    96552f1a1d6b48dfbbab2cec3d8cf724e1e31b1a2219643d351692f9ca557d79

  • SHA512

    e7e9ad7d8be1a0beb11f2763fc67b0c591cb8c6a93325ca546c85bdc3a10756108de96fa68fda56c6bd4d1bb9774f9f16aed0076782541a65dc0f254e25ff391

  • SSDEEP

    768:xPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJztBLXajeg0xMAbl:5ok3hbdlylKsgqopeJBWhZFGkE+cL2Nk

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\96552f1a1d6b48dfbbab2cec3d8cf724e1e31b1a2219643d351692f9ca557d79.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:1624
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\dRmRn.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:620

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/620-59-0x0000000000000000-mapping.dmp
  • memory/1624-54-0x000000002F081000-0x000000002F084000-memory.dmp
    Filesize

    12KB

  • memory/1624-55-0x0000000071C11000-0x0000000071C13000-memory.dmp
    Filesize

    8KB

  • memory/1624-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1624-57-0x0000000072BFD000-0x0000000072C08000-memory.dmp
    Filesize

    44KB

  • memory/1624-58-0x00000000767D1000-0x00000000767D3000-memory.dmp
    Filesize

    8KB

  • memory/1624-61-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1624-62-0x0000000072BFD000-0x0000000072C08000-memory.dmp
    Filesize

    44KB