Overview

overview

10

Static

static

8

document-1...82.xls

windows7_x64

10

document-1...82.xls

windows10_x64

10

Analysis

  • max time kernel
    142s
  • max time network
    142s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24-02-2021 19:33

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General

  • Target

    document-1428393482.xls

  • Size

    90KB

  • MD5

    8d2d6754ae76716529643b0553857968

  • SHA1

    3ce08309cae94dc488b2cfcf16e2272c7584fb19

  • SHA256

    fb5cc4fee714b537a41bdba198c7fc4bbf43f85882e5725a3bab52ba618b6b82

  • SHA512

    3ab6366b86f64f419b6c49a8dafbc9f4a0f44ab9c163aaf3ce2750b93a04a693bd7a7474d6f788bc788f6326c7cffafde7daf741f8aca38e344ae667722e4a25

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-1428393482.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:652
    • C:\Windows\SYSTEM32\rundll32.exe
      rundll32 ..\rieuro.vnt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:3012

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/652-2-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
    Filesize

    64KB

    Download
  • memory/652-3-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
    Filesize

    64KB

    Download
  • memory/652-4-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
    Filesize

    64KB

    Download
  • memory/652-5-0x00007FFC337A0000-0x00007FFC33DD7000-memory.dmp
    Filesize

    6.2MB

    Download
  • memory/652-6-0x00007FFC10600000-0x00007FFC10610000-memory.dmp
    Filesize

    64KB

    Download
  • memory/3012-7-0x0000000000000000-mapping.dmp
    Download