Analysis

  • max time kernel
    91s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 14:54

General

  • Target

    Dridex_f54781f5c41ce33227923791ecfd591cb0cbfd446d0d537ca5b2e9477cbf6da3.dll

  • Size

    532KB

  • MD5

    c08b8320332d85132eb961c85f92152d

  • SHA1

    cc93f8dfd22b6120efc51be65c63c30807d05306

  • SHA256

    f54781f5c41ce33227923791ecfd591cb0cbfd446d0d537ca5b2e9477cbf6da3

  • SHA512

    3f01c9fe136db19933034978d03cf9924d583d1d516feafd80abf7b160587bb8ca2529258a4bc13d896b012acbabdf3087594ad123f4de5fc9a02eee391ef887

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.91.122.102:443

85.10.248.28:593

185.4.135.27:5228

80.211.3.13:8116

rc4.plain
rc4.plain

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\Dridex_f54781f5c41ce33227923791ecfd591cb0cbfd446d0d537ca5b2e9477cbf6da3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3036
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_f54781f5c41ce33227923791ecfd591cb0cbfd446d0d537ca5b2e9477cbf6da3.dll,#1
      2⤵
        PID:3836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3836 -s 624
          3⤵
          • Program crash
          PID:4552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3836 -ip 3836
      1⤵
        PID:3104

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3836-130-0x0000000000000000-mapping.dmp
      • memory/3836-131-0x0000000074B80000-0x0000000074C07000-memory.dmp
        Filesize

        540KB

      • memory/3836-133-0x00000000029C0000-0x00000000029C6000-memory.dmp
        Filesize

        24KB