Overview

overview

10

Static

static

8

sample (2).xls

windows7_x64

10

sample (2).xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    129s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    13-03-2021 02:56

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General

  • Target

    sample (2).xls

  • Size

    138KB

  • MD5

    4c710e53b2bf06ba9533737d774f7e94

  • SHA1

    aad3ae14bd3ef0cd27324d18c50c6f5d76434214

  • SHA256

    25e329501f96c4e2fea65e7b716109583be3dd651b4e52872a64352220c3f424

  • SHA512

    c5615ebc6a15a15b2a92374f71bad70e700949e88f6acd622ba9d7054dd1c0a99170d855fb7130ea35f3ca15904726686d4c82cebee908a2f671c39ff328277f

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\sample (2).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:1108
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1108-2-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1108-3-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1108-4-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
    Filesize

    64KB

    Download
  • memory/1108-5-0x00007FFC45630000-0x00007FFC45C67000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1108-6-0x00007FFC22770000-0x00007FFC22780000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2832-7-0x0000000000000000-mapping.dmp
    Download