Analysis

  • max time kernel
    130s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    18-01-2022 17:09

General

  • Target

    84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b.xlsm

  • Size

    99KB

  • MD5

    96cd295393a89366ed9cb8ed483db069

  • SHA1

    08215bf69bb4b7bffa6a74b12d5df0e1ee22251f

  • SHA256

    84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b

  • SHA512

    57dc0347d997997066b6ed04943863210654cd05720cf45540e512c0c3e6a0559f04b2fb875f5766638001df4e24bde82f45342dc64a8cd949aa0be8189e52aa

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://avionxpress.com/lp/T9b1Bga4FdDfP5HI/

xlm40.dropper

http://news.tapchivietkieu.info/wordpress/CJzFM/

xlm40.dropper

http://monosun.net/wp-includes/JcDnYBSKpyfU/

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 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\84bad34c5bdcb90470bfd094dd7544663f454f3adc3d7ab0466ce45a66785a4b.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1336

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/1336-115-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-116-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-117-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-118-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-121-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-128-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp
    Filesize

    64KB

  • memory/1336-129-0x00007FFBCF620000-0x00007FFBCF630000-memory.dmp
    Filesize

    64KB

  • memory/1336-290-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-291-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-292-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB

  • memory/1336-293-0x00007FFBD30C0000-0x00007FFBD30D0000-memory.dmp
    Filesize

    64KB