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
    16/03/2024, 12:41

General

  • Target
    ce165ecd07eecb42d4ca5dc3d37bbfa3.dll
  • Size 184KB
  • Sample240316-pwr5jsdc32
  • SHA256 3e3d6b8018170aebbbf33bf1df9ebfa70170af34189923d3d7bdfed121c67330
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

C2
  • 137.74.112.43:443

  • 216.108.227.55:6225

  • 94.177.176.51:5723

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\ce165ecd07eecb42d4ca5dc3d37bbfa3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ce165ecd07eecb42d4ca5dc3d37bbfa3.dll,#1
      2⤵
        PID:3856
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3856 -s 612
          3⤵
          • Program crash
          PID:1604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3856 -ip 3856
      1⤵
        PID:696

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/3856-0-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

            memory/3856-1-0x0000000075770000-0x00000000757A0000-memory.dmp

            memory/3856-5-0x0000000000FF0000-0x0000000000FF6000-memory.dmp