Overview

overview

10

Static

static

8

document-1...59.xls

windows7_x64

10

document-1...59.xls

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-03-2021 16:49

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General

  • Target

    document-1783924759.xls

  • Size

    138KB

  • MD5

    203f055dbb16ce624200ea1c9c5d4cff

  • SHA1

    bc43a488c0c16206865de2b3014c124648f4a9e5

  • SHA256

    c5f99795ec9ae1e1ec8cb34e4c5ffbd9a3f85f876fecdd1941504411a60afc08

  • SHA512

    5b6df0571f4e52670078cfd3f80ff06827a8a98331039673f4c78dbf95383a69d7d5e7be25b5ad103e07ba93859c70df7a770908013d690e278f9d0752882fb6

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 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-1783924759.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:64
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/64-2-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/64-3-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/64-4-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/64-5-0x00007FFE498B0000-0x00007FFE498C0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/64-6-0x00007FFE6C870000-0x00007FFE6CEA7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/3880-7-0x0000000000000000-mapping.dmp
    Download