Analysis

  • max time kernel
    18s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 16:18

General

  • Target

    87dcb9b81332cd9cfad23d716ca126cd91b92eddc1318aebb8d574ef13b7724a.dll

  • Size

    162KB

  • MD5

    31d5c035b33b4ab2512a0d93ae5722bb

  • SHA1

    c6feb37322aaf16c82fe3ee597e37462a28d6f2f

  • SHA256

    87dcb9b81332cd9cfad23d716ca126cd91b92eddc1318aebb8d574ef13b7724a

  • SHA512

    b0397649931706189833f0964e1b63a33b03f16d466bb104d5ee9211678ddba8c424216bb8f2421c8fc52a1377d7a49ce7d5d047664280ebe22ac3a23768bf28

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\87dcb9b81332cd9cfad23d716ca126cd91b92eddc1318aebb8d574ef13b7724a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\87dcb9b81332cd9cfad23d716ca126cd91b92eddc1318aebb8d574ef13b7724a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3748

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3748-115-0x00000000739B0000-0x00000000739DE000-memory.dmp

          Filesize

          184KB

        • memory/3748-117-0x00000000009A0000-0x00000000009A6000-memory.dmp

          Filesize

          24KB