Overview

overview

10

Static

static

8

document-6...37.xls

windows7_x64

10

document-6...37.xls

windows10_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 16:47

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General

  • Target

    document-683286837.xls

  • Size

    139KB

  • MD5

    ea98ce659a266b398569842ac2c461dc

  • SHA1

    82aa3d3adbf847f9bdbeb9f246ecf363fec45d9e

  • SHA256

    09640e4b7b4f09350f7c43ea7cecfde1da60b24c4a705cd05879f96da8603141

  • SHA512

    3adc8907a0f6a67ce40091cb2cb1fa52bf7bc2b0356da123267c5634b35d6de0e225e550315d5e8c0b3f208bf6a7cd6aa2156dcf75d7e12e58ae97a368db34a2

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-683286837.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\zfbfg.ere,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2220

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/880-2-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/880-3-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/880-4-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/880-5-0x00007FF943B60000-0x00007FF944197000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/880-6-0x00007FF920240000-0x00007FF920250000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2220-7-0x0000000000000000-mapping.dmp
    Download