Analysis

  • max time kernel
    93s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-09-2024 00:25

General

  • Target

    8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll

  • Size

    188KB

  • MD5

    484d2810edfce9a4aa60e98731f8a4f7

  • SHA1

    3b84e68a8efa0e07dcfa59de7bfbd7738baa173e

  • SHA256

    8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f

  • SHA512

    a913e05ce339f2142f57ada5994b1c42423a8de36eccac51c1fa482c7ae71b0e3745eb79d34e084c20c5fba71f1e06bd5d85878928ad0fef8b46416c1ef0b6f9

  • SSDEEP

    3072:1teMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIz19qM:Rq7fYIHBZkTB6DWruUCOwjt

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 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\8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8e1c9850b1b59de6993866cedd4d29c16ee72bc5f4c792be8b759cd045d9b37f.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 692
        3⤵
        • Program crash
        PID:1408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1984 -ip 1984
    1⤵
      PID:5116

    Network

    • flag-us
      DNS
      104.219.191.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      104.219.191.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      73.144.22.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      73.144.22.2.in-addr.arpa
      IN PTR
      Response
      73.144.22.2.in-addr.arpa
      IN PTR
      a2-22-144-73deploystaticakamaitechnologiescom
    • flag-us
      DNS
      0.159.190.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      0.159.190.20.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
      232.168.11.51.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      232.168.11.51.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      183.59.114.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      183.59.114.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      15.164.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      15.164.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      240.221.184.93.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      240.221.184.93.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      81.144.22.2.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      81.144.22.2.in-addr.arpa
      IN PTR
      Response
      81.144.22.2.in-addr.arpa
      IN PTR
      a2-22-144-81deploystaticakamaitechnologiescom
    • flag-us
      DNS
      21.236.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      21.236.111.52.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
    No results found
    • 8.8.8.8:53
      104.219.191.52.in-addr.arpa
      dns
      73 B
      147 B
      1
      1

      DNS Request

      104.219.191.52.in-addr.arpa

    • 8.8.8.8:53
      73.144.22.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      73.144.22.2.in-addr.arpa

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

      DNS Request

      0.159.190.20.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
      232.168.11.51.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      232.168.11.51.in-addr.arpa

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

      DNS Request

      183.59.114.20.in-addr.arpa

    • 8.8.8.8:53
      15.164.165.52.in-addr.arpa
      dns
      72 B
      146 B
      1
      1

      DNS Request

      15.164.165.52.in-addr.arpa

    • 8.8.8.8:53
      240.221.184.93.in-addr.arpa
      dns
      73 B
      144 B
      1
      1

      DNS Request

      240.221.184.93.in-addr.arpa

    • 8.8.8.8:53
      81.144.22.2.in-addr.arpa
      dns
      70 B
      133 B
      1
      1

      DNS Request

      81.144.22.2.in-addr.arpa

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

      DNS Request

      21.236.111.52.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

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1984-0-0x00000000011F0000-0x00000000011F6000-memory.dmp

      Filesize

      24KB

    • memory/1984-1-0x0000000074EE0000-0x0000000074F10000-memory.dmp

      Filesize

      192KB

    • memory/1984-3-0x00000000011F0000-0x00000000011F6000-memory.dmp

      Filesize

      24KB

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