Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 11:39

General

  • Target

    d8b549150f14b0b3a37b7c44aa78ef07.dll

  • Size

    184KB

  • MD5

    d8b549150f14b0b3a37b7c44aa78ef07

  • SHA1

    9e5766e3808be3f495a37fba08c40a78b63c4d8c

  • SHA256

    54cc02677ead7f7d7d77c372feec70c097dfc6a48ac765d8a97ad642f53592e8

  • SHA512

    8c72773b126cbe59b5b32e410d7b3d29eaeb112305cc89b423e81c8c8b8607e685019b1d7f9695ec5368158ba3eef80ae2aaea908be6db9b57b7a2f6e899ed4e

  • SSDEEP

    3072:Hhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J6VQcY:H3fOeIv54W6SFKfc9me9v9/J6V

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\d8b549150f14b0b3a37b7c44aa78ef07.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8b549150f14b0b3a37b7c44aa78ef07.dll,#1
      2⤵
        PID:4488
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 668
          3⤵
          • Program crash
          PID:4392
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4488 -ip 4488
      1⤵
        PID:1388

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4488-0-0x00000000754A0000-0x00000000754D0000-memory.dmp
        Filesize

        192KB

      • memory/4488-1-0x00000000005D0000-0x00000000005D6000-memory.dmp
        Filesize

        24KB