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Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 00:45 UTC

General

  • Target

    7e6ebc783b09d01889328a110d4629b7.dll

  • Size

    184KB

  • MD5

    7e6ebc783b09d01889328a110d4629b7

  • SHA1

    8838adcae0660bab5161c0099a10a52be633a727

  • SHA256

    30b9a7a19b63a3334d82064a4e556ab142cf76761cc5a6c4586ca76ee968686b

  • SHA512

    dd457adcafe70b03ad2d0366887bec65a1baef28d655a130422f2624dd6a3eeaa188b3dcd25710847f49df62cc091887d1001364320624305e5936091217fff4

  • SSDEEP

    3072:Qhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JMVQcY:Q3fOeIv54W6SFKfc9me9v9/JMV

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

rc4.plain
1
WRYzqbQrq4nxxvj0o3nPxGww5RvBJIgf7A4UrXB6RRGsbLnk
rc4.plain
1
DMVQuKp5CkVnEDbHfkyipjbrrpJttVeOeLMjAJnTLL4we7IZvq7WsL2kmv

Signatures

  • Dridex

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

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e6ebc783b09d01889328a110d4629b7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e6ebc783b09d01889328a110d4629b7.dll,#1
      2⤵
        PID:2700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 668
          3⤵
          • Program crash
          PID:3140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2700 -ip 2700
      1⤵
        PID:2228

      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
        0.205.248.87.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        0.205.248.87.in-addr.arpa
        IN PTR
        Response
        0.205.248.87.in-addr.arpa
        IN PTR
        https-87-248-205-0lgwllnwnet
      • flag-us
        DNS
        20.160.190.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        20.160.190.20.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
        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
        157.123.68.40.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        157.123.68.40.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        206.23.85.13.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        206.23.85.13.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        18.134.221.88.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        18.134.221.88.in-addr.arpa
        IN PTR
        Response
        18.134.221.88.in-addr.arpa
        IN PTR
        a88-221-134-18deploystaticakamaitechnologiescom
      • flag-us
        DNS
        180.178.17.96.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        180.178.17.96.in-addr.arpa
        IN PTR
        Response
        180.178.17.96.in-addr.arpa
        IN PTR
        a96-17-178-180deploystaticakamaitechnologiescom
      • flag-us
        DNS
        14.227.111.52.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        14.227.111.52.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        79.121.231.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        79.121.231.20.in-addr.arpa
        IN PTR
        Response
      • flag-us
        DNS
        15.173.189.20.in-addr.arpa
        Remote address:
        8.8.8.8:53
        Request
        15.173.189.20.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
        0.205.248.87.in-addr.arpa
        dns
        71 B
        116 B
        1
        1

        DNS Request

        0.205.248.87.in-addr.arpa

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

        DNS Request

        20.160.190.20.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
        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
        157.123.68.40.in-addr.arpa
        dns
        72 B
        146 B
        1
        1

        DNS Request

        157.123.68.40.in-addr.arpa

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

        DNS Request

        206.23.85.13.in-addr.arpa

      • 8.8.8.8:53
        18.134.221.88.in-addr.arpa
        dns
        72 B
        137 B
        1
        1

        DNS Request

        18.134.221.88.in-addr.arpa

      • 8.8.8.8:53
        180.178.17.96.in-addr.arpa
        dns
        72 B
        137 B
        1
        1

        DNS Request

        180.178.17.96.in-addr.arpa

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

        DNS Request

        14.227.111.52.in-addr.arpa

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

        DNS Request

        79.121.231.20.in-addr.arpa

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

        DNS Request

        15.173.189.20.in-addr.arpa

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2700-0-0x0000000074CB0000-0x0000000074CE0000-memory.dmp

        Filesize

        192KB

      • memory/2700-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

        Filesize

        24KB

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