Analysis

  • max time kernel
    120s
  • max time network
    123s
  • submitted
    01/01/1970, 00:00

General

  • Target
    46fcae5fa4a8b7c0723747a3242e4230.dll
  • Size 750KB
  • Sample211027-sflvdafcd2
  • SHA256 00980f874952ec18d463f4e574e7e4c4c2ed948b4a295285dc740a8ee2ccafd1
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 10555

C2
  • 192.46.210.220:443

  • 143.244.140.214:808

  • 45.77.0.96:6891

  • 185.56.219.47:8116

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Blocklisted process makes network request 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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\46fcae5fa4a8b7c0723747a3242e4230.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:660
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\46fcae5fa4a8b7c0723747a3242e4230.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:472

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/472-56-0x0000000075B71000-0x0000000075B73000-memory.dmp

        memory/472-57-0x0000000074A10000-0x0000000074AD9000-memory.dmp

        memory/472-58-0x0000000074A10000-0x0000000074A4D000-memory.dmp

        memory/472-59-0x0000000074A10000-0x0000000074AD9000-memory.dmp

        memory/472-61-0x00000000000B0000-0x00000000000B1000-memory.dmp