Analysis

  • max time kernel
    91s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14-06-2022 11:39

General

  • Target

    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\215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\215dcfed2662b6c7271ccc2f9b3310dced8f3ffff6ce81c35e3ace792212e152.dll,#1
      2⤵
        PID:908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 908 -s 628
          3⤵
          • Program crash
          PID:940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 908 -ip 908
      1⤵
        PID:1804

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/908-130-0x0000000000000000-mapping.dmp
      • memory/908-131-0x0000000074A80000-0x0000000074B07000-memory.dmp
        Filesize

        540KB

      • memory/908-133-0x00000000001E0000-0x00000000001E6000-memory.dmp
        Filesize

        24KB