Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    16-11-2023 05:14

General

  • Target

    Complaint-1651432971-05062021.xlsm

  • Size

    109KB

  • MD5

    a16af09a92160730f88e2edf8afeb503

  • SHA1

    99538a6f27c39017c1d4748c39e379874c57c2ce

  • SHA256

    89202efc43edc8ede0987ff2c989a018af747781566a988f0fbebc6a779398e8

  • SHA512

    ff6b2d1e87595d3ccbdc7dcc8d4ea395411a8b3aa391163738580790655975efc14a5163265f6392f1f7dc1bc437236d322831ad57c2634286576d4688e09819

  • SSDEEP

    3072:3gQvKINbjvw548LMb/oqKO8NnS8+60Kc/A+:aAbT648LM7D98Np+ER+

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://91.211.91.82/44313,6048108796.dat

xlm40.dropper

http://82.117.252.199/44313,6048108796.dat

xlm40.dropper

http://45.138.157.43/44313,6048108796.dat

Signatures

  • Office loads VBA resources, possible macro or embedded object present
  • 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 3 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\Complaint-1651432971-05062021.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2224-1-0x0000000071EED000-0x0000000071EF8000-memory.dmp
    Filesize

    44KB

  • memory/2224-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2224-2-0x0000000000350000-0x0000000000450000-memory.dmp
    Filesize

    1024KB

  • memory/2224-4-0x0000000000350000-0x0000000000450000-memory.dmp
    Filesize

    1024KB

  • memory/2224-3-0x0000000000350000-0x0000000000450000-memory.dmp
    Filesize

    1024KB

  • memory/2224-5-0x0000000071EED000-0x0000000071EF8000-memory.dmp
    Filesize

    44KB

  • memory/2224-6-0x0000000000350000-0x0000000000450000-memory.dmp
    Filesize

    1024KB

  • memory/2224-9-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2224-10-0x0000000071EED000-0x0000000071EF8000-memory.dmp
    Filesize

    44KB