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
    132s
  • 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

    $PLUGINSDIR/System.dll

  • Size

    12KB

  • MD5

    8cf2ac271d7679b1d68eefc1ae0c5618

  • SHA1

    7cc1caaa747ee16dc894a600a4256f64fa65a9b8

  • SHA256

    6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba

  • SHA512

    ce828fb9ecd7655cc4c974f78f209d3326ba71ced60171a45a437fc3fff3bd0d69a0997adaca29265c7b5419bdea2b17f8cc8ceae1b8ce6b22b7ed9120bb5ad3

  • SSDEEP

    192:BenY0qWTlt70IAj/lQ0sEWc/wtYbBH2aDybC7y+XB9IwL:B8+Qlt70Fj/lQRY/9VjjlL

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\$PLUGINSDIR\System.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 612
        3⤵
        • Program crash
        PID:4664
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 752 -ip 752
    1⤵
      PID:1104

    Network

    • flag-us
      DNS
      8.8.8.8.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      8.8.8.8.in-addr.arpa
      IN PTR
      Response
      8.8.8.8.in-addr.arpa
      IN PTR
      dnsgoogle
    • flag-us
      DNS
      241.150.49.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      241.150.49.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      172.210.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.210.232.199.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      22.160.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      22.160.190.20.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
      228.249.119.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      228.249.119.40.in-addr.arpa
      IN PTR
      Response
    • 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
      200.163.202.172.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      200.163.202.172.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      198.187.3.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      198.187.3.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      102.209.201.84.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      102.209.201.84.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      172.214.232.199.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      172.214.232.199.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      8.8.8.8.in-addr.arpa
      dns
      66 B
       90 B
       1
      1

      DNS Request

      8.8.8.8.in-addr.arpa

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

      DNS Request

      241.150.49.20.in-addr.arpa

    • 8.8.8.8:53
      172.210.232.199.in-addr.arpa
      dns
      74 B
       128 B
       1
      1

      DNS Request

      172.210.232.199.in-addr.arpa

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

      DNS Request

      22.160.190.20.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
      228.249.119.40.in-addr.arpa
      dns
      73 B
       159 B
       1
      1

      DNS Request

      228.249.119.40.in-addr.arpa

    • 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
      200.163.202.172.in-addr.arpa
      dns
      74 B
       160 B
       1
      1

      DNS Request

      200.163.202.172.in-addr.arpa

    • 8.8.8.8:53
      198.187.3.20.in-addr.arpa
      dns
      71 B
       157 B
       1
      1

      DNS Request

      198.187.3.20.in-addr.arpa

    • 8.8.8.8:53
      102.209.201.84.in-addr.arpa
      dns
      73 B
       133 B
       1
      1

      DNS Request

      102.209.201.84.in-addr.arpa

    • 8.8.8.8:53
      172.214.232.199.in-addr.arpa
      dns
      74 B
       128 B
       1
      1

      DNS Request

      172.214.232.199.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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