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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 20:24 UTC

General

  • Target

    9_shlwapi.dll

  • Size

    180KB

  • MD5

    4e883f7247e1ef95ab0cfc974a5d3b88

  • SHA1

    99049f145d976731e946f70adc70cb243ca93fc9

  • SHA256

    653aa17fbf6949e5bdba2599a9a3df4bb8ec259a5cf0eb7c3b08b6813c4283e7

  • SHA512

    fe9adaa182a3823b79fabfda0f1530c8147b04af39fd0f9e4974033393b8689c506ce75d2fc3b6add28f09c78b9b0873cd0755ba353ffe38760eeadc4bb00660

  • SSDEEP

    3072:vqNhtjVkooePHOHX9s/4R1ltAeSKt84r5AMUpbSpS:ywopPu3q/4FCur5AMC2p

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

178.62.205.130:443

45.90.108.123:13786

198.199.98.78:9217

rc4.plain
1
ngQDCdrlVj1uAoRRq9y7YMw70orpAe8L
rc4.plain
1
2J4VFLlZENTOyU9I3raO4NZ6nyKp1DqUsmiuR1GqXj9uq78vgiaslQKmmjqZI174ArQ1yGMPJZ

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 2 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\9_shlwapi.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9_shlwapi.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3004
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 628
        3⤵
        • Program crash
        PID:4184
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3004 -ip 3004
    1⤵
      PID:1132

    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
      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
      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
      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
      18.31.95.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      18.31.95.13.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      181.129.81.91.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      181.129.81.91.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      94.12.20.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      94.12.20.2.in-addr.arpa
      IN PTR
      Response
      94.12.20.2.in-addr.arpa
      IN PTR
      a2-20-12-94deploystaticakamaitechnologiescom
    • flag-us
      DNS
      13.227.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      13.227.111.52.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
      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
      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
      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
      18.31.95.13.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      18.31.95.13.in-addr.arpa

    • 8.8.8.8:53
      181.129.81.91.in-addr.arpa
      dns
      72 B
      147 B
      1
      1

      DNS Request

      181.129.81.91.in-addr.arpa

    • 8.8.8.8:53
      94.12.20.2.in-addr.arpa
      dns
      69 B
      131 B
      1
      1

      DNS Request

      94.12.20.2.in-addr.arpa

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

      DNS Request

      13.227.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/3004-2-0x0000000000680000-0x0000000000686000-memory.dmp

      Filesize

      24KB

    • memory/3004-0-0x0000000074DC0000-0x0000000074DEF000-memory.dmp

      Filesize

      188KB

    • memory/3004-3-0x0000000074DC0000-0x0000000074DEF000-memory.dmp

      Filesize

      188KB

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