Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 09:26

General

  • Target

    ded4851735984eaea3703d99ff5bce5f.dll

  • Size

    184KB

  • MD5

    ded4851735984eaea3703d99ff5bce5f

  • SHA1

    cb0c7324feb4b352c173e37ca2c3d531b6aebfd0

  • SHA256

    4cfc722887833a0e81a58c3ef14d6f262f547458c42d132cf81550908e2a883a

  • SHA512

    a24be884b23f38c6d588471831d625e0d3ebea19c6598e651c0d2c20de8ba6f0d439b30f18e2ab2c8042ffa48b672d95a9631577521ac78188b743b5890ba085

  • SSDEEP

    3072:7hd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JKVQcY:73fOeIv54W6SFKfc9me9v9/JKV

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
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\ded4851735984eaea3703d99ff5bce5f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ded4851735984eaea3703d99ff5bce5f.dll,#1
      2⤵
        PID:4768
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4768 -s 668
          3⤵
          • Program crash
          PID:4240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4768 -ip 4768
      1⤵
        PID:2092

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4768-0-0x0000000075540000-0x0000000075570000-memory.dmp
        Filesize

        192KB

      • memory/4768-1-0x0000000000AA0000-0x0000000000AA6000-memory.dmp
        Filesize

        24KB