Analysis

  • max time kernel
    154s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    26-06-2022 05:31

General

  • Target

    epix12dx.dll

  • Size

    476KB

  • MD5

    a3a64611273a16751d073c147b783c06

  • SHA1

    0757337ab4720ba52b02fca61fa5b294d6deba35

  • SHA256

    577f04df45d0e29c54c2ed22493da51147f7b07654b1551116e524dc576f4369

  • SHA512

    59f7263454511ee475742a6fa5046e1f7ba6fff82963817bfae8876cfef3f02dfe26463dfdeafcaf480d82bdfc3f5ead7cac9cf39b1dbc37932e93ee3e1f218a

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\epix12dx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\epix12dx.dll,#1
      2⤵
        PID:2124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 700
          3⤵
          • Program crash
          PID:2348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2124 -ip 2124
      1⤵
        PID:2084

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2124-130-0x0000000000000000-mapping.dmp

      • memory/2124-131-0x00000000753B0000-0x0000000075429000-memory.dmp

        Filesize

        484KB

      • memory/2124-133-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

        Filesize

        24KB