Overview

overview

10

Static

static

8

document-8...96.xls

windows7_x64

10

document-8...96.xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-03-2021 19:47

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    document-837259296.xls

  • Size

    138KB

  • MD5

    c841274d86403d03362a8be942207ac2

  • SHA1

    b3b72c38ce9c15bde808ede5887429168143802c

  • SHA256

    aabd8e37baec4efceb3d5d7f6d307ad3d64c47d93602c967ca3e559208e7015f

  • SHA512

    3862fc3dcc13891c4948e5cd4e9ade7885b8b2227a360f5ad1703687d87cd8e72f9914c58dbd1a6badb8763b5860b5e4f71f975bd001885d0dc30948558b4330

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • 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 12 IoCs
  • Suspicious use of WriteProcessMemory 2 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\document-837259296.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:528

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/528-7-0x0000000000000000-mapping.dmp
    Download
  • memory/4764-2-0x00007FFACA170000-0x00007FFACA180000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4764-3-0x00007FFACA170000-0x00007FFACA180000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4764-4-0x00007FFACA170000-0x00007FFACA180000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4764-5-0x00007FFAED820000-0x00007FFAEDE57000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4764-6-0x00007FFACA170000-0x00007FFACA180000-memory.dmp
    Filesize

    64KB

    Download