Analysis

  • max time kernel
    110s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    22/11/2021, 16:36

General

  • Target
    GjEdowscAmeMpshekniggagook.flac.dll
  • Size 432KB
  • Sample211122-t384vsbaf9
  • SHA256 6158375fa9e56105f92dd0b703cae796ad163906b83506b6e2e7c8a6348757fe
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

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\GjEdowscAmeMpshekniggagook.flac.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\GjEdowscAmeMpshekniggagook.flac.dll,#1
      2⤵
        PID:2728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3576

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/2728-119-0x00000000738C0000-0x000000007392D000-memory.dmp

          memory/2728-121-0x0000000003200000-0x00000000032AE000-memory.dmp