Overview

overview

10

Static

static

8

document-7...32.xls

windows7_x64

10

document-7...32.xls

windows10_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    18-01-2021 17:22

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General

  • Target

    document-723944832.xls

  • Size

    110KB

  • MD5

    8cda6231daee62c974929d1ddea4c51f

  • SHA1

    86ab0f197c90122f1b0ee34a7fec74b639ef3e44

  • SHA256

    823fb54f19139d84c0a979cd24c3a7fdc054081326ad93a608ae9a976c2c2b76

  • SHA512

    480e9575056a6e06b06158ded80f1a494c9bb059268b53d7cd9d580b6b0688c969b271edbd0b251d6442dbf03fd622c3cd7f02685e1b6f0c1420e43174825313

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 19 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-723944832.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:3884
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 C:\gHnbfKt\cOhtfBj.dvx,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2600

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/2600-7-0x0000000000000000-mapping.dmp
    Download
  • memory/3884-2-0x00007FFF49320000-0x00007FFF49330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3884-3-0x00007FFF49320000-0x00007FFF49330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3884-4-0x00007FFF49320000-0x00007FFF49330000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3884-5-0x00007FFF6D370000-0x00007FFF6D9A7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/3884-6-0x00007FFF49320000-0x00007FFF49330000-memory.dmp
    Filesize

    64KB

    Download