Analysis

  • max time kernel
    45s
  • max time network
    101s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17/03/2021, 18:02

General

  • Target
    23daad9313cedfcdaefb47b82d937083b3a4f07d6a8c7ed478988bd5d2fc1ed2.dll
  • Size 208KB
  • Sample210317-b3gpqcdqfe
  • SHA256 23daad9313cedfcdaefb47b82d937083b3a4f07d6a8c7ed478988bd5d2fc1ed2
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 111

C2
  • 77.220.64.137:443

  • 66.228.134.180:6601

  • 199.204.214.26:7073

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 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\23daad9313cedfcdaefb47b82d937083b3a4f07d6a8c7ed478988bd5d2fc1ed2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\23daad9313cedfcdaefb47b82d937083b3a4f07d6a8c7ed478988bd5d2fc1ed2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1360

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1360-3-0x0000000074180000-0x00000000741B6000-memory.dmp

        memory/1360-4-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

        memory/1360-5-0x0000000074180000-0x00000000741A1000-memory.dmp