Analysis

  • max time kernel
    19s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 15:20

General

  • Target

    f8cc1d470e4f9e111017cd1abf1eaf1ccaa69bda719a04a8fb11a36067031762.dll

  • Size

    162KB

  • MD5

    48c1576044ce479adaff8d9d663cedbe

  • SHA1

    5025d1100c091c5bb3b5011d4b1705d65d3d4478

  • SHA256

    f8cc1d470e4f9e111017cd1abf1eaf1ccaa69bda719a04a8fb11a36067031762

  • SHA512

    f02efccb2fc5f369495dd353f548b93254aafff31e5adee1c95a399617926fad115052f543dd3d657e9257f5deb41164daa542e5ab491f2fbe5a2843b8439737

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8cc1d470e4f9e111017cd1abf1eaf1ccaa69bda719a04a8fb11a36067031762.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f8cc1d470e4f9e111017cd1abf1eaf1ccaa69bda719a04a8fb11a36067031762.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4012

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4012-115-0x00000000755E0000-0x000000007560E000-memory.dmp

          Filesize

          184KB

        • memory/4012-117-0x00000000011A0000-0x00000000011A6000-memory.dmp

          Filesize

          24KB