Overview

overview

10

Static

static

8

document-9...31.xls

windows7_x64

10

document-9...31.xls

windows10_x64

10

Analysis

  • max time kernel
    70s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 15:23

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Report Analysis Logs

General

  • Target

    document-969376331.xls

  • Size

    139KB

  • MD5

    e445762a289ffecb75616573a6710acc

  • SHA1

    55d31ed14d453429de25e15c0d53fa280a13887c

  • SHA256

    031c394fa9cd4361106ccd7c353cddbeb40fc02610aa9933bda9861ab63f8fc3

  • SHA512

    de2f9cdc88c3b1363c94f652e4e63324142e88bbf393d78d918a62ac2062f6b993f20f68b9228910cf705b86c0f45c9f8657ee6a3517b61c7325c342f1c62b40

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-969376331.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:1144
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3652

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

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Downloads

  • memory/1144-2-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-3-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-4-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1144-5-0x00007FFB55EE0000-0x00007FFB56517000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1144-6-0x00007FFB31D10000-0x00007FFB31D20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3652-7-0x0000000000000000-mapping.dmp
    Download