Analysis

  • max time kernel
    27s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 16:17

General

  • Target

    b1976f40c9354ea8a9a61070c57cd8c0fcaa8db6c9931d030bacad73a032cd43.dll

  • Size

    170KB

  • MD5

    7390f7a75d76c89e9310b66ff3802e1b

  • SHA1

    0be241b2f1329350f0c518b20a301ea3d58bf522

  • SHA256

    b1976f40c9354ea8a9a61070c57cd8c0fcaa8db6c9931d030bacad73a032cd43

  • SHA512

    f4bd176465fef56f9079520f2947f785bcca577bfd47d9171406cebfbd023094d21c1a34c2b713cb36abd2d05d2d754c80df9a0395f134e9ef7b6d24c6ce704c

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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\b1976f40c9354ea8a9a61070c57cd8c0fcaa8db6c9931d030bacad73a032cd43.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:488
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1976f40c9354ea8a9a61070c57cd8c0fcaa8db6c9931d030bacad73a032cd43.dll,#1
      2⤵
        PID:1496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1496 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1252

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1496-115-0x0000000073F10000-0x0000000073F40000-memory.dmp

            Filesize

            192KB

          • memory/1496-117-0x00000000009A0000-0x00000000009A6000-memory.dmp

            Filesize

            24KB