Overview

overview

4

Static

static

b3431440fd...21.dll

windows7_x64

1

b3431440fd...21.dll

windows10-2004_x64

4

Analysis

  • max time kernel
    122s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    09-02-2022 15:03

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General

  • Target

    b3431440fd55f63d68853d788a6c7a21.dll

  • Size

    21KB

  • MD5

    b3431440fd55f63d68853d788a6c7a21

  • SHA1

    a463c9f4685b88efadd1fc271aef46ab9a985693

  • SHA256

    a1a1c30bd187757a32b7c4fbb6a104061bd1d97774331da257562a14a6998354

  • SHA512

    56ef7e43ddcd5ff1ad07d3cc75090ed296426e1e2d022f20115ceeec21c47987472585c20801f35a5ca7827311536d10ebb1887d79e6f5638dd1b489777fb1c4

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3431440fd55f63d68853d788a6c7a21.dll,#1
    1⤵
      PID:532
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:828
    • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
      C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
      1⤵
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      PID:2008

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/828-130-0x0000011B76820000-0x0000011B76830000-memory.dmp
      Filesize

      64KB

      Download
    • memory/828-131-0x0000011B76880000-0x0000011B76890000-memory.dmp
      Filesize

      64KB

      Download
    • memory/828-132-0x0000011B78F30000-0x0000011B78F34000-memory.dmp
      Filesize

      16KB

      Download