Analysis

  • max time kernel
    69s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-03-2021 08:03

General

  • Target

    dettagli_745.xlsb

  • Size

    79KB

  • MD5

    a89808c7ee3cfdb2dd85c672c7b0392e

  • SHA1

    56f125b322a2b716dff33841973c460f0cbb7880

  • SHA256

    61d703cb25b23a38d3ccbe65660df1ceaf0ca5fb37a899f47831e901091efd75

  • SHA512

    da5b6f7a212b1681779e9075c111c034916b55887016e0aa7637ee5617d9aaf7bda4dd16318605453dc1c967c4aea6324e62c22777269a1331bb309fbaae3c0f

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

http://linestata.casa/register.jpg

Signatures

  • Process spawned unexpected child process 1 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 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\dettagli_745.xlsb
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1932
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\WumjuMa\vjsRMoq\iJUOgdB.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:776

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/544-5-0x000007FEF5BC0000-0x000007FEF5E3A000-memory.dmp
    Filesize

    2.5MB

  • memory/776-6-0x0000000000000000-mapping.dmp
  • memory/776-7-0x00000000750C1000-0x00000000750C3000-memory.dmp
    Filesize

    8KB

  • memory/1932-2-0x000000002F7F1000-0x000000002F7F4000-memory.dmp
    Filesize

    12KB

  • memory/1932-3-0x0000000070BA1000-0x0000000070BA3000-memory.dmp
    Filesize

    8KB

  • memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB