Analysis

  • max time kernel
    25s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    19/04/2021, 12:58

General

  • Target
    4645c4837195726df6e14a407ebbcfef4b6540964f5ffa13bda7cd1a744b147a.dll
  • Size 158KB
  • Sample210419-rhpg8a49fs
  • SHA256 4645c4837195726df6e14a407ebbcfef4b6540964f5ffa13bda7cd1a744b147a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • dridex

Botnet
  • 40111

C2
  • 8.210.53.215:443

  • 72.249.22.245:2303

  • 188.40.137.206:8172

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\4645c4837195726df6e14a407ebbcfef4b6540964f5ffa13bda7cd1a744b147a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4645c4837195726df6e14a407ebbcfef4b6540964f5ffa13bda7cd1a744b147a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1800

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1800-61-0x0000000076A01000-0x0000000076A03000-memory.dmp

        memory/1800-62-0x0000000075330000-0x000000007535D000-memory.dmp

        memory/1800-64-0x0000000000220000-0x0000000000226000-memory.dmp