Analysis

  • max time kernel
    95s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 04:34

General

  • Target

    7f3e8d8c08965a1a5cc38084c99392b0N.dll

  • Size

    274KB

  • MD5

    7f3e8d8c08965a1a5cc38084c99392b0

  • SHA1

    a211b99bec4b0c275da368b5ad76a5fd2e72c3ed

  • SHA256

    b6a1a4a13439939ec5107deed4a3f2c99d0dbca14b0bc430489b43a8cf7cd863

  • SHA512

    31a43ed4189b4dec693d7e2d40ebea451f9ccd44596a7b1e7bea19e8f83547526ba49e2dfe12791dfa64d3ef830abbe33917948f81601135f8f8072020145d2b

  • SSDEEP

    3072:GuCmyBVtWxZCOCA4Hpl1tv18FTETA8ocya/OyoSJPAacbnid8DOHPJ+HJesSwlK:6zWxkOP4p2EesvcDi6DOHPJPsSwlK

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f3e8d8c08965a1a5cc38084c99392b0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3416
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f3e8d8c08965a1a5cc38084c99392b0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5092 -s 636
        3⤵
        • Program crash
        PID:4952
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 5092 -ip 5092
    1⤵
      PID:4900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5092-0-0x0000000001210000-0x0000000001216000-memory.dmp

      Filesize

      24KB

    • memory/5092-1-0x0000000075820000-0x0000000075851000-memory.dmp

      Filesize

      196KB

    • memory/5092-3-0x0000000001210000-0x0000000001216000-memory.dmp

      Filesize

      24KB