Analysis

  • max time kernel
    18s
  • max time network
    117s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:46

General

  • Target

    6af33573ef062d6785221a5c2fb7ef06dca4c76b789d7b057ad4932b774d630c.dll

  • Size

    170KB

  • MD5

    ffdda8dc57810c18e2bfc9bf53e33709

  • SHA1

    217a790e7e16374745fc2b524a5fb932b2e8c1b4

  • SHA256

    6af33573ef062d6785221a5c2fb7ef06dca4c76b789d7b057ad4932b774d630c

  • SHA512

    08fb92f23807380303b67343c8f070bae462f899a38b4c411464664525c9d304aeac95799764ca80370e908e965b062633c18d797d5295d20a3ca26c6fdc6fb0

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\6af33573ef062d6785221a5c2fb7ef06dca4c76b789d7b057ad4932b774d630c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4440
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6af33573ef062d6785221a5c2fb7ef06dca4c76b789d7b057ad4932b774d630c.dll,#1
      2⤵
        PID:4620
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4076

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4620-115-0x0000000074290000-0x00000000742C0000-memory.dmp

            Filesize

            192KB

          • memory/4620-117-0x0000000003000000-0x000000000314A000-memory.dmp

            Filesize

            1.3MB