Overview

overview

8

Static

static

3

RtlUpd.dll

windows7-x64

8

RtlUpd.dll

windows10-2004-x64

7

Resubmissions

24/12/2024, 06:27

241224-g7499asnhr 10

30/04/2024, 15:46

240430-s7lnpacb59 8

Analysis

  • max time kernel
    143s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 15:46

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General

  • Target

    RtlUpd.dll

  • Size

    62KB

  • MD5

    c16bdc61bbc82e9668f8cee9cc5c94c5

  • SHA1

    c2f98475c7be3064e0b294ef546f57d3c3a1e267

  • SHA256

    6a195e6111c9a4b8c874d51937b53cd5b4b78efc32f7bb255012d05087586d8f

  • SHA512

    9337275916970bd88fb1de18959bf587e29147cf6198e3a242679b198cca26d7ddeeda2e893145058444e494048768ac33ce36e75a44fb84b4a0c50a3814faae

  • SSDEEP

    1536:yyMGpJvykUU0mVWUBmJyB1NjKOaSHGfuUF8u7J8NG3:nrpPUUXWXK1NoLfuQ8u7J8Nw

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\RtlUpd.dll
    1⤵
    • Drops file in Windows directory
    PID:4764
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1240
    • C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe "C:\ProgramData\RtlUpd\RtlUpd.dll",Start /p
      1⤵
      • Loads dropped DLL
      PID:4360

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\ProgramData\RtlUpd\RtlUpd.dll
      Filesize

      62KB

      MD5

      c16bdc61bbc82e9668f8cee9cc5c94c5

      SHA1

      c2f98475c7be3064e0b294ef546f57d3c3a1e267

      SHA256

      6a195e6111c9a4b8c874d51937b53cd5b4b78efc32f7bb255012d05087586d8f

      SHA512

      9337275916970bd88fb1de18959bf587e29147cf6198e3a242679b198cca26d7ddeeda2e893145058444e494048768ac33ce36e75a44fb84b4a0c50a3814faae

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