Analysis

  • max time kernel
    91s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    11-06-2022 16:52

General

  • Target

    ow571qp9x.dll

  • Size

    476KB

  • MD5

    edd5e7e742a9cf2c2b410d9208278042

  • SHA1

    f1db2c4189850281f2fa163903750e7e549ee165

  • SHA256

    fa6aea596a04b6bd957babd156bbd40cafa2b0662390cc2fd30953fb48ec61fc

  • SHA512

    1c550da3d70359464b1082c93f76bad93aaa0bd059d6d5c3a80bd5808352b68e3be34b6574ae5a569f54cdbb120619cbede08ebfbb7ba455482159d80b400b73

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

23.246.204.126:443

151.106.39.36:8116

103.124.144.123:6891

172.105.78.60:4664

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\ow571qp9x.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ow571qp9x.dll,#1
      2⤵
        PID:1620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 700
          3⤵
          • Program crash
          PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1620 -ip 1620
      1⤵
        PID:2796

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1620-130-0x0000000000000000-mapping.dmp
      • memory/1620-131-0x00000000749A0000-0x0000000074A19000-memory.dmp
        Filesize

        484KB

      • memory/1620-133-0x0000000000B50000-0x0000000000B56000-memory.dmp
        Filesize

        24KB