Overview

overview

10

Static

static

8

document-3...74.xls

windows7_x64

10

document-3...74.xls

windows10_x64

10

Analysis

  • max time kernel
    142s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 16:27

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Report Analysis Logs

General

  • Target

    document-389092874.xls

  • Size

    139KB

  • MD5

    f5efb7098a2c331eec563f88c52d97a1

  • SHA1

    e6750fe8da127696bc19e09fc00b523f0e68b990

  • SHA256

    4de71ee0856cda216f8b2b5c1a5dd40bc6bc61514bb6938bd10dd91cf933494e

  • SHA512

    83053cdd22e4b52c9dd3873c70938c4d997d4715c12011c821ddefd848b20374a6380ead40719720e355613f37a1f038135c0779145ecec0e24fec3c2379c19f

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 SetWindowsHookEx 24 IoCs
  • Suspicious use of WriteProcessMemory 4 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-389092874.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2196
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2352

    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/508-2-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-3-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-4-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-5-0x00007FF8091A0000-0x00007FF8097D7000-memory.dmp
      Filesize

      6.2MB

      Download
    • memory/508-6-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-10-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-11-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-12-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/508-13-0x00007FF7E5FB0000-0x00007FF7E5FC0000-memory.dmp
      Filesize

      64KB

      Download
    • memory/2196-7-0x0000000000000000-mapping.dmp
      Download
    • memory/2352-8-0x0000000000000000-mapping.dmp
      Download
    • memory/2352-9-0x0000000002EB0000-0x0000000002FB1000-memory.dmp
      Filesize

      1.0MB

      Download