Analysis

  • max time kernel
    18s
  • max time network
    139s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:19

General

  • Target

    42ea0d001e3f510a9c196660614150f6db83867cd88a9e7313e16a58ccb75fa0.dll

  • Size

    172KB

  • MD5

    0dbb61297e154902df561f28a106071b

  • SHA1

    587f15369887c6a057cc6b8526c8edc9d852ab05

  • SHA256

    42ea0d001e3f510a9c196660614150f6db83867cd88a9e7313e16a58ccb75fa0

  • SHA512

    1cb1260c7cf9ce43a6e35d46afc763f1b4771e4906c95894e3cfbb7d26a68e6c0a7c6021975912a7c6ccd9dfe443bdeb10dd29e172135a2804e0f0187a639df8

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\42ea0d001e3f510a9c196660614150f6db83867cd88a9e7313e16a58ccb75fa0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42ea0d001e3f510a9c196660614150f6db83867cd88a9e7313e16a58ccb75fa0.dll,#1
      2⤵
        PID:3140
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 684
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2696

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3140-115-0x00000000736B0000-0x00000000736E0000-memory.dmp

            Filesize

            192KB

          • memory/3140-117-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

            Filesize

            24KB