Analysis

  • max time kernel
    95s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    28-06-2022 14:54

General

  • Target

    Dridex_215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152.dll

  • Size

    532KB

  • MD5

    f7599a080e61e0dc8c3b794b428f8ea8

  • SHA1

    64119ed034d9569ad4aec5e7e5babdbfba0656cc

  • SHA256

    215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152

  • SHA512

    cca58d59d650f33ba060f94e1b6b93fc35028014e5e9b94ae42e9ee8b2ff1aa86dcdfbeb9546950382b12c1d3c00c6540a66c8c1e4a0fea036467776a9a5341b

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_215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\Dridex_215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152.dll,#1
      2⤵
        PID:1472
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 628
          3⤵
          • Program crash
          PID:4072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1472 -ip 1472
      1⤵
        PID:2344

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1472-130-0x0000000000000000-mapping.dmp
      • memory/1472-131-0x00000000755D0000-0x0000000075657000-memory.dmp
        Filesize

        540KB

      • memory/1472-133-0x0000000000900000-0x0000000000906000-memory.dmp
        Filesize

        24KB