Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    21-05-2022 18:12

General

  • Target

    bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls

  • Size

    73KB

  • MD5

    a4a59476e4b7f10f3551ad5f8e78e32a

  • SHA1

    b033140fb3b3ca0cc9782747b8fccdbed8e1076e

  • SHA256

    bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1

  • SHA512

    95fea99562de147e3bd826a0d9f8df244fd16d590850275f35e317689ba0fdd177d5171165a77f11d3c4cc4c12e1047e79b67dfae8e06393173d424eceb3ea10

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://hullsite.com/0a61/nm6lxocqt/

xlm40.dropper

https://bencevendeghaz.hu/wp-includes/cLrqBIwf8C/

xlm40.dropper

https://ppiabanyuwangi.or.id/wp-admin/3Se7giNXt7ZCHG/

xlm40.dropper

http://3dstudioa.com.br/cgi-bin/yWpon1Nd03l/

xlm40.dropper

http://anat-bar.co.il/wp-admin/kZarrjJN148onRnRi/

xlm40.dropper

http://claudioavelar.adv.br/Revista/JljahSR26i5k/

Signatures

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\bc4b27f8e0f4670c8555a1e0ab0a87dc56809ba596a455345a1420ead401e6f1.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:3904

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3904-117-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-118-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-119-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-120-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-129-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmp
    Filesize

    64KB

  • memory/3904-130-0x00007FF89CDE0000-0x00007FF89CDF0000-memory.dmp
    Filesize

    64KB

  • memory/3904-279-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-280-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-281-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB

  • memory/3904-282-0x00007FF8A03B0000-0x00007FF8A03C0000-memory.dmp
    Filesize

    64KB