Analysis

  • max time kernel
    88s
  • max time network
    132s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    22/11/2021, 14:55

General

  • Target
    XVTmxoRDDTyCpNcuntfuck.mp4.dll
  • Size 428KB
  • Sample211122-saffeaagf3
  • SHA256 56e14f97c8c81205095b3f88b42d3c2945b7ededde63aee819e6efd72a327a90
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22204

C2
  • 67.207.95.35:443

  • 86.107.98.232:8333

  • 188.165.214.166:4664

  • 144.91.110.219:9217

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 behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\XVTmxoRDDTyCpNcuntfuck.mp4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\XVTmxoRDDTyCpNcuntfuck.mp4.dll,#1
      2⤵
        PID:2680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1248

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/2680-119-0x0000000073900000-0x000000007396D000-memory.dmp

          memory/2680-121-0x0000000000540000-0x000000000068A000-memory.dmp