Analysis

  • max time kernel
    23s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    18/04/2021, 10:36

General

  • Target
    b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll
  • Size 162KB
  • Sample210418-brthwd6jla
  • SHA256 b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 40112

C2
  • 107.172.227.10:443

  • 172.93.133.123:2303

  • 108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b9d5347ad79c5dadab5186e18062c71d65a2b2fb7ac4c6e3a07e25b9727616ce.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1948-61-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

        memory/1948-62-0x0000000075220000-0x000000007524E000-memory.dmp

        memory/1948-64-0x00000000000E0000-0x00000000000E6000-memory.dmp