Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/09/2024, 17:56

General

  • Target

    ac8d7974366e0f13df92b68b79b995c0N.dll

  • Size

    188KB

  • MD5

    ac8d7974366e0f13df92b68b79b995c0

  • SHA1

    18b904ebd0a0aa7c957a28604583c457185a4e6b

  • SHA256

    ec6d20d3997c589d1c925be2d0c310b0aa586af2f1b7753da8713d6bc4b05039

  • SHA512

    80e9ed94bb2796c1063937f270090dcc2fd79efa94aa7069805a263a0ce05e6035f3b0c1b487ba892b8fdcd2719df2361252c269992591b9851c1dcc83beaadd

  • SSDEEP

    3072:BteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzQ9qM:Nq7fYIHBZkTB6DWruUCOwjt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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\ac8d7974366e0f13df92b68b79b995c0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ac8d7974366e0f13df92b68b79b995c0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 700
        3⤵
        • Program crash
        PID:3048
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4436 -ip 4436
    1⤵
      PID:2892

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4436-0-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

      Filesize

      24KB

    • memory/4436-1-0x0000000075500000-0x0000000075530000-memory.dmp

      Filesize

      192KB

    • memory/4436-3-0x0000000000DF0000-0x0000000000DF6000-memory.dmp

      Filesize

      24KB