Analysis

  • max time kernel
    126s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 14:54

General

  • Target

    Dridex_60bd3eba4dac7d37cd07e375f4dbfe5e816b0ab599f28da31c5cf5b180b5849a.dll

  • Size

    532KB

  • MD5

    57cc0ec93c55348dd7b864e26ec96379

  • SHA1

    bcf46bb64fc5a673e7889d9ba9baad26bfab0ff7

  • SHA256

    60bd3eba4dac7d37cd07e375f4dbfe5e816b0ab599f28da31c5cf5b180b5849a

  • SHA512

    562b44d23cbfa0ccec2bee34dfd5cdbad64f87adc8b152c2874d9a4f5b249ff7dfa437aa150fe33e919b3aa3871bf8b92dcbc8cc11b47aed69e791e1d4a9a784

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_60bd3eba4dac7d37cd07e375f4dbfe5e816b0ab599f28da31c5cf5b180b5849a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_60bd3eba4dac7d37cd07e375f4dbfe5e816b0ab599f28da31c5cf5b180b5849a.dll,#1
      2⤵
        PID:4776
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 624
          3⤵
          • Program crash
          PID:2424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 280 -p 4776 -ip 4776
      1⤵
        PID:3448

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4776-130-0x0000000000000000-mapping.dmp
      • memory/4776-131-0x0000000075180000-0x0000000075207000-memory.dmp
        Filesize

        540KB

      • memory/4776-133-0x0000000000A80000-0x0000000000A86000-memory.dmp
        Filesize

        24KB