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Analysis

  • max time kernel
    96s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2024, 02:05 UTC

General

  • Target

    JaffaCakes118_19a4926b15acf744894ffb65271b012dfdd3c3d8ca82a96b1710a7aeff7a2f15.dll

  • Size

    188KB

  • MD5

    eadd167ae8ebaa5e9ee7f2ba3b429889

  • SHA1

    67f7162f7a3789f94284aea755768a378eeabdaa

  • SHA256

    19a4926b15acf744894ffb65271b012dfdd3c3d8ca82a96b1710a7aeff7a2f15

  • SHA512

    1fad768a7ededf1006b8e5793ac474b38537d9119fcd8d94327132f38fa649ce548e76d0d741c7dd69754a7af2655151453949ec68cbd88939ff0c33723cdab1

  • SSDEEP

    3072:EteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzO9qM:4q7fYIHBZkTB6DWruUCOwjt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

rc4.plain
1
O8gS34J9YSWjLHlls2UUrobOVwkv2gxcuQGDftg29
rc4.plain
1
uKMtcv1AqGZruPo9ospRTBws8THw75AMb8FgkX5O4e9TcekeUYyEZPcdBYFbpQD81

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex family
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • 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\JaffaCakes118_19a4926b15acf744894ffb65271b012dfdd3c3d8ca82a96b1710a7aeff7a2f15.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19a4926b15acf744894ffb65271b012dfdd3c3d8ca82a96b1710a7aeff7a2f15.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1848
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 692
        3⤵
        • Program crash
        PID:5112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1848 -ip 1848
    1⤵
      PID:2416

    Network

    • 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
      69.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      69.31.126.40.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
      154.239.44.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      154.239.44.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      197.87.175.4.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      197.87.175.4.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
    • 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
      134.130.81.91.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      134.130.81.91.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      11.227.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      11.227.111.52.in-addr.arpa
      IN PTR
      Response
    No results found
    • 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
      69.31.126.40.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      69.31.126.40.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
      154.239.44.20.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      154.239.44.20.in-addr.arpa

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

      DNS Request

      197.87.175.4.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

    • 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
      134.130.81.91.in-addr.arpa
      dns
      72 B
      147 B
      1
      1

      DNS Request

      134.130.81.91.in-addr.arpa

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

      DNS Request

      11.227.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1848-0-0x0000000001450000-0x0000000001456000-memory.dmp

      Filesize

      24KB

    • memory/1848-1-0x0000000074DB0000-0x0000000074DE0000-memory.dmp

      Filesize

      192KB

    • memory/1848-3-0x0000000001450000-0x0000000001456000-memory.dmp

      Filesize

      24KB

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