Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:23

General

  • Target

    6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll

  • Size

    170KB

  • MD5

    b9536e911072100bf56fa136c2e862fb

  • SHA1

    482b2168c160ca6950ec925194eda06064e8d69b

  • SHA256

    6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea

  • SHA512

    3b6c07877a795afc8bf53de1fa623381ece9c7edb2f2bb5d54194ad81d3bb0a4e9d43f3f2218d5ff4f0c20ecbe4b78057a4df36002509089ac3c6e5452e8cd88

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\6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll,#1
      2⤵
        PID:3908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:408

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3908-115-0x00000000735D0000-0x0000000073600000-memory.dmp

            Filesize

            192KB

          • memory/3908-117-0x0000000003600000-0x0000000003606000-memory.dmp

            Filesize

            24KB