Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    20/04/2021, 02:46

General

  • Target
    53ce12533b2a4e021ce28cc62fef6daea4d46f21cfec1ba13947dfd57796f43f.dll
  • Size 162KB
  • Sample210420-vvnsymzman
  • SHA256 53ce12533b2a4e021ce28cc62fef6daea4d46f21cfec1ba13947dfd57796f43f
  • MD5 SHA1 SHA512

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ce12533b2a4e021ce28cc62fef6daea4d46f21cfec1ba13947dfd57796f43f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ce12533b2a4e021ce28cc62fef6daea4d46f21cfec1ba13947dfd57796f43f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1200

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1200-61-0x0000000075511000-0x0000000075513000-memory.dmp

        memory/1200-62-0x0000000074760000-0x000000007478E000-memory.dmp

        memory/1200-64-0x00000000001C0000-0x00000000001C6000-memory.dmp