Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 10:09

General

  • Target

    dee8104c7a5df9170ba883a5da08ebda.dll

  • Size

    188KB

  • MD5

    dee8104c7a5df9170ba883a5da08ebda

  • SHA1

    3d932e5616c7a1861ef53ba74fe7d5c093a75580

  • SHA256

    d972ba69e48e949a06ef7b329837297d0a0dcf44c27653b20a980a4cb6c974a1

  • SHA512

    ed8ac67ad5511615328e8d7ac843223721c023210179f12bb1dbaed6080a5fdb47aa33a7a54abcfb00628e9d0aa5bfbe50626b354b8e47a09f7544ae4bb05323

  • SSDEEP

    3072:FH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWt7dU:FUua/Pv7YNhRIEZDeXVpAxtMsxK

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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\dee8104c7a5df9170ba883a5da08ebda.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dee8104c7a5df9170ba883a5da08ebda.dll,#1
      2⤵
        PID:3624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3624 -s 688
          3⤵
          • Program crash
          PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3624 -ip 3624
      1⤵
        PID:1344

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3624-0-0x0000000075900000-0x0000000075930000-memory.dmp
        Filesize

        192KB

      • memory/3624-1-0x0000000001180000-0x0000000001186000-memory.dmp
        Filesize

        24KB