Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    25/11/2021, 05:44

General

  • Target
    lhvzcskYLPyellowfacebrownietacohead.dll
  • Size 768KB
  • Sample211125-ge6mlsedbl
  • SHA256 69dd77b327104cc387c1d76daf5c8a24d0421aaad10540d15c69bb3bf9b0d391
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22203

C2
  • 107.170.4.227:443

  • 178.128.222.53:8116

  • 185.148.168.15:4664

  • 64.251.25.156:6602

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 4 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\lhvzcskYLPyellowfacebrownietacohead.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1080
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\lhvzcskYLPyellowfacebrownietacohead.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Checks whether UAC is enabled
      PID:1032

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1032-56-0x0000000075731000-0x0000000075733000-memory.dmp

        memory/1032-57-0x0000000074C70000-0x0000000074D30000-memory.dmp

        memory/1032-60-0x0000000000260000-0x0000000000266000-memory.dmp