Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 08:11

General

  • Target

    e7c5dd664f4e33effac80b406b6e6fe0N.dll

  • Size

    188KB

  • MD5

    e7c5dd664f4e33effac80b406b6e6fe0

  • SHA1

    f08c30da985b11739ee245348a7ad904c65da63c

  • SHA256

    26d97ab5294bb301c0efc87e6b385c7cb89e39f43234dde03bbbdc5f89ccc90f

  • SHA512

    686cba4544f80bee9c5839cd32ff1002648ab124bae4e085165fd33e7f18754b4f845f3c0cd9ea0f323c349057cf4c1b058c8666d70993db98a0878c79eefbf4

  • SSDEEP

    3072:PteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Xq7fYIHBZkTB6DWruUCOwjt

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\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1100 -s 696
        3⤵
        • Program crash
        PID:4464
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1100 -ip 1100
    1⤵
      PID:5048

    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
      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
      71.31.126.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      71.31.126.40.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
      26.165.165.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      26.165.165.52.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      56.126.166.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      56.126.166.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      59.238.56.23.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      59.238.56.23.in-addr.arpa
      IN PTR
      Response
      59.238.56.23.in-addr.arpa
      IN PTR
      a23-56-238-59deploystaticakamaitechnologiescom
    • 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
      19.229.111.52.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      19.229.111.52.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
      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
      71.31.126.40.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      71.31.126.40.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
      26.165.165.52.in-addr.arpa
      dns
      72 B
      146 B
      1
      1

      DNS Request

      26.165.165.52.in-addr.arpa

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

      DNS Request

      56.126.166.20.in-addr.arpa

    • 8.8.8.8:53
      59.238.56.23.in-addr.arpa
      dns
      71 B
      135 B
      1
      1

      DNS Request

      59.238.56.23.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
      19.229.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      19.229.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1100-0-0x0000000074E10000-0x0000000074E40000-memory.dmp

      Filesize

      192KB

    • memory/1100-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

      Filesize

      24KB

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