Overview

overview

10

Static

static

8

document-1...71.xls

windows7_x64

10

document-1...71.xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 12:50

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General

  • Target

    document-1956611471.xls

  • Size

    139KB

  • MD5

    5cdbc425fccbee5776ea3a8a2aa48191

  • SHA1

    e08f9e6ceb6a7057de944ebfc2fe5f8f4dabb32c

  • SHA256

    1a8549a798e6817db02ef32a2d889ba33c30bf30c4dd17d894687c9be7cac5d0

  • SHA512

    e79b18d6bb8665b86205a18579ea38f4d58b22fbba8a042ca37eebb2fdc532cc40a53a87f6d5a74be565854fbfb5a2aca50f3412a46d75032d9c7c48ce123948

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-1956611471.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:3168

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/3168-7-0x0000000000000000-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/4688-6-0x00007FFEC57A0000-0x00007FFEC57B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/4688-5-0x00007FFEEB2B0000-0x00007FFEEB8E7000-memory.dmp
    Filesize

    6.2MB

    Download