Analysis

  • max time kernel
    142s
  • max time network
    108s
  • 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

    635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls

  • Size

    36KB

  • MD5

    823238cf7f45d08cd12ab987fd382628

  • SHA1

    86207a86cdfa51080fe835200e3c746bad3d583a

  • SHA256

    635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e

  • SHA512

    d9fd81603a5f57fec9fb0f5794c053272ffa13fca207a89c0fbe51a76dac319d7b675c055740598942638b64f20ba932bca5c9bdfa0dbfd0f4447b697dc89fa4

  • SSDEEP

    768:nPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJchyvA4hamJvMC2qGVggG/:Pok3hbdlylKsgqopeJBWhZFGkE+cL2NG

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/wp-data.php

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\635d9d2c05aa20361dadc5e2d073490f452f0aa55b687098d97e3f69547c782e.xls
    Enumerates system info in registry
    Modifies Internet Explorer settings
    Modifies registry class
    Suspicious behavior: AddClipboardFormatListener
    Suspicious use of SetWindowsHookEx
    Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\oICex.txt,DllRegisterServer
      Process spawned unexpected child process
      PID:1624

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

  • memory/1000-54-0x000000002F9A1000-0x000000002F9A4000-memory.dmp
    Filesize

    12KB

  • memory/1000-55-0x0000000071631000-0x0000000071633000-memory.dmp
    Filesize

    8KB

  • memory/1000-56-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1000-57-0x000000007261D000-0x0000000072628000-memory.dmp
    Filesize

    44KB

  • memory/1000-58-0x0000000075F01000-0x0000000075F03000-memory.dmp
    Filesize

    8KB

  • memory/1000-59-0x000000007261D000-0x0000000072628000-memory.dmp
    Filesize

    44KB

  • memory/1000-62-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1000-63-0x000000007261D000-0x0000000072628000-memory.dmp
    Filesize

    44KB

  • memory/1624-60-0x0000000000000000-mapping.dmp