Overview

overview

6

Static

static

4

Terabox_1.32.0.1.exe

windows10-ltsc 2021-x64

6

$PLUGINSDI...UI.dll

windows10-ltsc 2021-x64

3

$PLUGINSDI...em.dll

windows10-ltsc 2021-x64

3

$PLUGINSDI...sW.dll

windows10-ltsc 2021-x64

3

$TEMP/kernel.dll

windows10-ltsc 2021-x64

3

AppUtil.dll

windows10-ltsc 2021-x64

3

AutoUpdate...il.dll

windows10-ltsc 2021-x64

3

AutoUpdate...te.exe

windows10-ltsc 2021-x64

3

BugReport.exe

windows10-ltsc 2021-x64

5

Bull140U.dll

windows10-ltsc 2021-x64

3

ChromeNati...st.exe

windows10-ltsc 2021-x64

3

HelpUtility.exe

windows10-ltsc 2021-x64

3

TeraBox.exe

windows10-ltsc 2021-x64

5

TeraBoxHost.exe

windows10-ltsc 2021-x64

3

TeraBoxRender.exe

windows10-ltsc 2021-x64

3

TeraBoxWebService.exe

windows10-ltsc 2021-x64

3

YunDb.dll

windows10-ltsc 2021-x64

3

YunDls.dll

windows10-ltsc 2021-x64

3

YunLogic.dll

windows10-ltsc 2021-x64

3

YunOfficeAddin.dll

windows10-ltsc 2021-x64

3

YunOfficeAddin64.dll

windows10-ltsc 2021-x64

5

YunShellExt.dll

windows10-ltsc 2021-x64

3

YunShellExt64.dll

windows10-ltsc 2021-x64

5

YunUtilityService.exe

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

api-ms-win...-0.dll

windows10-ltsc 2021-x64

3

Resubmissions

27/11/2024, 20:39 UTC

241127-zfpdtszjes 6

27/11/2024, 20:33 UTC

241127-zbwbksvqhl 6

25/11/2024, 22:14 UTC

241125-15w1mswlcp 6

25/11/2024, 20:57 UTC

241125-zryrmswke1 6

28/09/2024, 18:21 UTC

240928-wzje5ssdlc 10

Analysis

  • max time kernel
    91s
  • max time network
    131s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    27/11/2024, 20:39 UTC

Sharing

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Report Analysis Logs

General

  • Target

    AutoUpdate/AutoUpdateUtil.dll

  • Size

    198KB

  • MD5

    bf5e773b31cea30b6a8388c719cf0342

  • SHA1

    db300c09fce3c878225146f0ef1d07dcc15e54af

  • SHA256

    7a7e10507d07f8da2866233143e77ce7a3590c745300f08334d8e6308ab39115

  • SHA512

    52d37d86de26635caf46f49fd3c03d2530b57402a3dfbb21e6281c0331ec6e53a730ef0ab55c39d56eaf92308fe2efeb8c1ea4cfe1fed0b03f459fbe450e7a06

  • SSDEEP

    3072:QOq3B8kyfQQC2mC2gbvCsGowP96rH0Vu3b1vJ4gMdTPVj+HO1fn0HdH:/q3BJ4vCCa9Vgxy+Wvol

Score
3/10
discovery

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\AutoUpdate\AutoUpdateUtil.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 612
        3⤵
        • Program crash
        PID:4004
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4752 -ip 4752
    1⤵
      PID:4336

    Network

    • flag-us
      DNS
      13.86.106.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.86.106.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      88.210.23.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.210.23.2.in-addr.arpa
      IN PTR
      Response
      88.210.23.2.in-addr.arpa
      IN PTR
      a2-23-210-88deploystaticakamaitechnologiescom
    • flag-us
      DNS
      71.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.159.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      95.221.229.192.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      95.221.229.192.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      97.17.167.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      97.17.167.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      53.210.109.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      53.210.109.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      15.164.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      15.164.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      99.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      99.209.201.84.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      99.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      99.209.201.84.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      68.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      68.209.201.84.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      68.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      68.209.201.84.in-addr.arpa
      IN PTR
    • flag-us
      DNS
      30.243.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      30.243.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      13.86.106.20.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      13.86.106.20.in-addr.arpa

    • 8.8.8.8:53
      88.210.23.2.in-addr.arpa
      dns
      70 B
       133 B
       1
      1

      DNS Request

      88.210.23.2.in-addr.arpa

    • 8.8.8.8:53
      71.159.190.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      71.159.190.20.in-addr.arpa

    • 8.8.8.8:53
      95.221.229.192.in-addr.arpa
      dns
      73 B
       144 B
       1
      1

      DNS Request

      95.221.229.192.in-addr.arpa

    • 8.8.8.8:53
      97.17.167.52.in-addr.arpa
      dns
      71 B
       145 B
       1
      1

      DNS Request

      97.17.167.52.in-addr.arpa

    • 8.8.8.8:53
      53.210.109.20.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      53.210.109.20.in-addr.arpa

    • 8.8.8.8:53
      15.164.165.52.in-addr.arpa
      dns
      72 B
       146 B
       1
      1

      DNS Request

      15.164.165.52.in-addr.arpa

    • 8.8.8.8:53
      99.209.201.84.in-addr.arpa
      dns
      144 B
       132 B
       2
      1

      DNS Request

      99.209.201.84.in-addr.arpa

      DNS Request

      99.209.201.84.in-addr.arpa

    • 8.8.8.8:53
      68.209.201.84.in-addr.arpa
      dns
      144 B
       132 B
       2
      1

      DNS Request

      68.209.201.84.in-addr.arpa

      DNS Request

      68.209.201.84.in-addr.arpa

    • 8.8.8.8:53
      30.243.111.52.in-addr.arpa
      dns
      72 B
       158 B
       1
      1

      DNS Request

      30.243.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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