Overview

overview

10

Static

static

8

document-3...22.xls

windows7_x64

10

document-3...22.xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 15:12

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General

  • Target

    document-391833622.xls

  • Size

    139KB

  • MD5

    9bd88ed66fcbdcd65cfbc06d32e418a6

  • SHA1

    06ba7f00d14742b415cc4cae4ab67e7a131ffa27

  • SHA256

    6b9b28b35b07fdeedc09d065727dc72da3c8b3f6455df35034822edd1b4c05e8

  • SHA512

    084cc4b16c5b41218893cd8a499058bdc738a105bf795564af8f0c1f5bfee01d6587db38c7f8aed7bc61e9d8de97639e5946bef4ce0a9d26dd1887990e8936f5

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-391833622.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:4688
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2140

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/2140-7-0x0000000000000000-mapping.dmp
    Download
  • memory/4688-2-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-3-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-4-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-5-0x00007FFEEB320000-0x00007FFEEB957000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download