Analysis

  • max time kernel
    17s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 11:28

General

  • Target

    f2c69444a45ca0247494ae8b010931d815f513cce35d48ada92851369e5e91a4.dll

  • Size

    172KB

  • MD5

    c2f67e7aad86b049d1af537ea830601d

  • SHA1

    a879a3557b7cab52a7d27a73c0380defd26969b6

  • SHA256

    f2c69444a45ca0247494ae8b010931d815f513cce35d48ada92851369e5e91a4

  • SHA512

    f34ee5f6edc7edb0565439d880ce162c0bfd95ffe96a740a8f68aa984e553fa226a7cf20667cf484e145390940f058476b92f176530adb42861847377516427d

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\f2c69444a45ca0247494ae8b010931d815f513cce35d48ada92851369e5e91a4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4024
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2c69444a45ca0247494ae8b010931d815f513cce35d48ada92851369e5e91a4.dll,#1
      2⤵
        PID:4076
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4076 -s 676
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:408

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4076-115-0x00000000735E0000-0x0000000073610000-memory.dmp

            Filesize

            192KB

          • memory/4076-117-0x0000000000D10000-0x0000000000E5A000-memory.dmp

            Filesize

            1.3MB