Analysis

  • max time kernel
    96s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 05:27

General

  • Target

    1691ee8af1589da646535b0368f98b40N.dll

  • Size

    179KB

  • MD5

    1691ee8af1589da646535b0368f98b40

  • SHA1

    aac651979e1bcec156fa0987d39fdaca80b87d72

  • SHA256

    39a70e2aadc823ff8fb1fe41f4885599e81c2c869e08bcf23efafc7efb97b59d

  • SHA512

    af70b64ef0b10cf9eeae17b706dcf3606200deb9a3d6aaa3828464bc963a875a0df7756c3129df97f7ca6e681fedc5652573a397e83a08eff7078a24fe5217b8

  • SSDEEP

    3072:wuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJj:czWxkOP4p2EesvcDi6DOHPJ0

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain
1
YjbQeq5UMzLaqTuxGlME3hD5AZvvRe5dSrViGkA4D3iqQ
rc4.plain
1
5oO2mBtXHaMUXu5tCn6RiiaG0OpiGUDJgk3FMD9BEFejUNONblkzzEmo9zKtF

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\1691ee8af1589da646535b0368f98b40N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1691ee8af1589da646535b0368f98b40N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2456 -s 636
        3⤵
        • Program crash
        PID:1992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2456 -ip 2456
    1⤵
      PID:4260

    Network

    • flag-us
      DNS
      228.249.119.40.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      228.249.119.40.in-addr.arpa
      IN PTR
      Response
    • 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
      58.55.71.13.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      58.55.71.13.in-addr.arpa
      IN PTR
      Response
    • 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
      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
      198.187.3.20.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      198.187.3.20.in-addr.arpa
      IN PTR
      Response
    • flag-us
      DNS
      88.238.56.23.in-addr.arpa
      Remote address:
      8.8.8.8:53
      Request
      88.238.56.23.in-addr.arpa
      IN PTR
      Response
      88.238.56.23.in-addr.arpa
      IN PTR
      a23-56-238-88deploystaticakamaitechnologiescom
    • 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
      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
    No results found
    • 8.8.8.8:53
      228.249.119.40.in-addr.arpa
      dns
      73 B
      159 B
      1
      1

      DNS Request

      228.249.119.40.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
      58.55.71.13.in-addr.arpa
      dns
      70 B
      144 B
      1
      1

      DNS Request

      58.55.71.13.in-addr.arpa

    • 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
      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
      198.187.3.20.in-addr.arpa
      dns
      71 B
      157 B
      1
      1

      DNS Request

      198.187.3.20.in-addr.arpa

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

      DNS Request

      88.238.56.23.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
      14.227.111.52.in-addr.arpa
      dns
      72 B
      158 B
      1
      1

      DNS Request

      14.227.111.52.in-addr.arpa

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2456-0-0x00000000749A0000-0x00000000749D1000-memory.dmp

      Filesize

      196KB

    • memory/2456-1-0x00000000005D0000-0x00000000005D6000-memory.dmp

      Filesize

      24KB

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