Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:45

General

  • Target

    fd638cb9242c28e98e3e216af91f45a3f5d91fc93996e3c09c2b056f8e312dff.dll

  • Size

    170KB

  • MD5

    c6d335ce3dd2a4cbf76efe3f0c4b815c

  • SHA1

    f4c2acc878ae363d24c22c5e82ec6a35e1a8869c

  • SHA256

    fd638cb9242c28e98e3e216af91f45a3f5d91fc93996e3c09c2b056f8e312dff

  • SHA512

    bd952a0e111029bc327b8a3553b22c1e71a059474baf571b3a13f590cc7e7a12b95aed87673d7d23497815480168bdec03e149944038ec58c63d89ebeba27a57

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\fd638cb9242c28e98e3e216af91f45a3f5d91fc93996e3c09c2b056f8e312dff.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fd638cb9242c28e98e3e216af91f45a3f5d91fc93996e3c09c2b056f8e312dff.dll,#1
      2⤵
        PID:2236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2236 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3948

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2236-115-0x0000000074420000-0x0000000074450000-memory.dmp

            Filesize

            192KB

          • memory/2236-117-0x00000000035A0000-0x00000000035A6000-memory.dmp

            Filesize

            24KB