Analysis

  • max time kernel
    135s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16/04/2021, 17:58

General

  • Target
    8b2a56db1666518a12eaa2a36c413f8171983e69d845f2282b5c7ce6bad11fb5.dll
  • Size 162KB
  • Sample210416-fpcrj6ezdn
  • SHA256 8b2a56db1666518a12eaa2a36c413f8171983e69d845f2282b5c7ce6bad11fb5
  • 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2a56db1666518a12eaa2a36c413f8171983e69d845f2282b5c7ce6bad11fb5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2a56db1666518a12eaa2a36c413f8171983e69d845f2282b5c7ce6bad11fb5.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3696

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/3696-115-0x0000000073E80000-0x0000000073EAE000-memory.dmp

        memory/3696-117-0x0000000000700000-0x0000000000706000-memory.dmp