Analysis

  • max time kernel
    74s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    27-09-2021 16:50

General

  • Target

    dfddddds.xls

  • Size

    233KB

  • MD5

    e9d2197a805286d20d558494ded11653

  • SHA1

    e5a90cfde2deba21696a6d7a7e34d360af1665cf

  • SHA256

    386eff5a2d8c900ec979a89b4c2575d9fb5fd7fa7a078c34487aa7fc5371bcab

  • SHA512

    2a9d87ffbf239ce6029b773b4619cf4cfa1a39040d243d7f5f471c7937aa985f73eba873fd6e15779dec707221b9809e09ca143422c4d1c5fba728c1fcf417e4

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://maxdigitizing.com/wAbCNMUm/pp.html

xlm40.dropper

https://turnipshop.com/ihiRzoi1/pp.html

xlm40.dropper

https://dynamiclifts.co.in/1PWQQcv0D/pp.html

Signatures

  • Process spawned unexpected child process 3 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 21 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\dfddddds.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C:\Datop\test.test
      2⤵
      • Process spawned unexpected child process
      PID:468
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C:\Datop\test1.test
      2⤵
      • Process spawned unexpected child process
      PID:1188
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" C:\Datop\test2.test
      2⤵
      • Process spawned unexpected child process
      PID:1412

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/468-56-0x0000000000000000-mapping.dmp
  • memory/468-57-0x0000000075FC1000-0x0000000075FC3000-memory.dmp
    Filesize

    8KB

  • memory/468-64-0x00000000001B0000-0x00000000001B1000-memory.dmp
    Filesize

    4KB

  • memory/1080-53-0x000000002F971000-0x000000002F974000-memory.dmp
    Filesize

    12KB

  • memory/1080-54-0x00000000717B1000-0x00000000717B3000-memory.dmp
    Filesize

    8KB

  • memory/1080-55-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1188-58-0x0000000000000000-mapping.dmp
  • memory/1188-63-0x0000000000140000-0x0000000000141000-memory.dmp
    Filesize

    4KB

  • memory/1412-60-0x0000000000000000-mapping.dmp
  • memory/1412-62-0x00000000001B0000-0x00000000001B1000-memory.dmp
    Filesize

    4KB