Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 02:23 UTC

General

  • Target

    $PLUGINSDIR/NSISdl.dll

  • Size

    14KB

  • MD5

    a5f8399a743ab7f9c88c645c35b1ebb5

  • SHA1

    168f3c158913b0367bf79fa413357fbe97018191

  • SHA256

    dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

  • SHA512

    824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

  • SSDEEP

    192:tUZTobBDJ68r67wmsvJI5ad9cXzFOVu+mZ/P3p+57CvpVqDxVp01Dwn2GRPgsfA:6Bo/680dCI5adOjFOg9//p27uNw2Go

Score
3/10

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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\NSISdl.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1824
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 624
        3⤵
        • Program crash
        PID:2704
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1824 -ip 1824
    1⤵
      PID:2608

    Network

    • flag-us
      DNS
      149.220.183.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      149.220.183.52.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
    • flag-us
      DNS
      75.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      75.159.190.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      217.106.137.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      217.106.137.52.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
      133.211.185.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      133.211.185.52.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
      171.39.242.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      171.39.242.20.in-addr.arpa
      IN PTR
      Response
    No results found
    • 8.8.8.8:53
      149.220.183.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      149.220.183.52.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

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

      DNS Request

      75.159.190.20.in-addr.arpa

    • 8.8.8.8:53
      217.106.137.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      217.106.137.52.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
      133.211.185.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      133.211.185.52.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
      171.39.242.20.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      171.39.242.20.in-addr.arpa

    MITRE ATT&CK Enterprise v15

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