Analysis

  • max time kernel
    125s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10-20220414-en
  • submitted
    21-05-2022 17:57

General

  • Target

    7afa2b28ddfbcc176d6f34bfefae732c4ef7c162952579596f8528fc3a7dd736.xls

  • Size

    78KB

  • MD5

    45bfa187f311db303e6ce7770b756956

  • SHA1

    2fcedfe4caa2b606ece0bdcca74a588fd0c48b70

  • SHA256

    7afa2b28ddfbcc176d6f34bfefae732c4ef7c162952579596f8528fc3a7dd736

  • SHA512

    8b1c2a79ec66450a79c9a81312d453d62c3887fd545617126489aaac8cb699ea3ef3a49bf6d0789f3f60c11800a2af3a7e69b21fec15c0ba14edb75900216023

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://hostal-alfonso12.com/clases/SKtPvv/

xlm40.dropper

http://howesitgoing.com/images/HyaDnlbl6K7tbh2Lugys/

xlm40.dropper

https://www.jdserralheria.com.br/cgi-bin/KFG6/

xlm40.dropper

http://inteirado.com.br/fonts/7dJCVvuE5x3YrGQs2oJz/

xlm40.dropper

http://iciee.untirta.ac.id/test/GccRw/

xlm40.dropper

https://ideoso.com.tw/cgi-bin/zLrnBd2Eg1N3UVy5yL/

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\7afa2b28ddfbcc176d6f34bfefae732c4ef7c162952579596f8528fc3a7dd736.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4008

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/4008-114-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-115-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-116-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-117-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-126-0x00007FFC14460000-0x00007FFC14470000-memory.dmp
    Filesize

    64KB

  • memory/4008-127-0x00007FFC14460000-0x00007FFC14470000-memory.dmp
    Filesize

    64KB

  • memory/4008-278-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-279-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-280-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB

  • memory/4008-281-0x00007FFC17FD0000-0x00007FFC17FE0000-memory.dmp
    Filesize

    64KB