Overview

overview

10

Static

static

8

general_1576.xlsb

windows7_x64

10

general_1576.xlsb

windows10_x64

10

Analysis

  • max time kernel
    141s
  • max time network
    138s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 08:59

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General

  • Target

    general_1576.xlsb

  • Size

    61KB

  • MD5

    a872e2984b89d760ca507fb9109639ad

  • SHA1

    01c18c131ac943985f9179c1136848cfaea4c22f

  • SHA256

    49571df3567dd31c19324e8c098f2d627af195fcd4be14f7e624a8c73c137ca5

  • SHA512

    713db891eb00bae9784857bb6b2515dc2863d725bb022e151ab88fc3e1992d681f954d12e24e3545c38a8377633d5b86d7bf0366aa7ea3adb54927a9d3ee2792

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\general_1576.xlsb"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:728
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\wCmfmRe\dtxzrRg\GZUJoxy.dll,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:1476

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/728-2-0x00007FF97B640000-0x00007FF97B650000-memory.dmp
    Filesize

    64KB

    Download
  • memory/728-3-0x00007FF97B640000-0x00007FF97B650000-memory.dmp
    Filesize

    64KB

    Download
  • memory/728-4-0x00007FF97B640000-0x00007FF97B650000-memory.dmp
    Filesize

    64KB

    Download
  • memory/728-5-0x00007FF97B640000-0x00007FF97B650000-memory.dmp
    Filesize

    64KB

    Download
  • memory/728-6-0x00007FF99EAC0000-0x00007FF99F0F7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/1476-7-0x0000000000000000-mapping.dmp
    Download