Analysis

  • max time kernel
    18s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16/06/2021, 03:27

General

  • Target
    85356727cd28577dcf56b7d9f7ef3a6bff832ad29073f12d55ade2654da01636.dll
  • Size 172KB
  • Sample210616-ypfp2avvda
  • SHA256 85356727cd28577dcf56b7d9f7ef3a6bff832ad29073f12d55ade2654da01636
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 40112

C2
  • 210.65.244.187:443

  • 162.241.41.92:2303

  • 46.231.204.10:8172

  • 185.183.159.100:4125

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 14 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\85356727cd28577dcf56b7d9f7ef3a6bff832ad29073f12d55ade2654da01636.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\85356727cd28577dcf56b7d9f7ef3a6bff832ad29073f12d55ade2654da01636.dll,#1
      2⤵
        PID:1920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1920 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3276

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/1920-115-0x0000000073660000-0x0000000073690000-memory.dmp

          memory/1920-117-0x0000000002DD0000-0x0000000002DF3000-memory.dmp