Analysis

  • max time kernel
    71s
  • max time network
    71s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    05-01-2021 11:50

General

  • Target

    ORDER787-5.xls

  • Size

    161KB

  • MD5

    1d97c6cb50c4107498e4f0e76f539f0c

  • SHA1

    a4dc090837c76aed324bea19c9f62e2d47bb7bc8

  • SHA256

    1b761a682092f8be6c7e9eef709be08a7105159a5e4ffb7722b0530fba308ba4

  • SHA512

    08c580cbb19b3684f96ab82ec358ca42b796d52045c71d7f794f91d745b62f184d0b1c6842dd6577fb2a0b762bd236f1d1d593b3c592767788fda08739b025a3

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://www.penrithdentalimplants.com.au/ls/apperolew.png

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • 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 9 IoCs
  • Modifies registry class 280 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 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\ORDER787-5.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:644
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 C:\ProgramData\activex.ocx, DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:844

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/844-3-0x0000000000000000-mapping.dmp
  • memory/1040-2-0x000007FEF7300000-0x000007FEF757A000-memory.dmp
    Filesize

    2.5MB