Analysis

  • max time kernel
    139s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 19:00

General

  • Target

    b2dedba29f062f380a0d7b10fa5844bf.dll

  • Size

    188KB

  • MD5

    b2dedba29f062f380a0d7b10fa5844bf

  • SHA1

    3bedbc0dd951f9f9f08c3a8752141b79928766c6

  • SHA256

    4f6a46fa934e1ac4be9eaeb67b3d2ac5964d25d4d04893e936d6f6e1f5d3a8c9

  • SHA512

    2a36e5542b58c7217238b10c2fa00772c290d6f12de8c124d3318796cee56045ede122dcd78a59bed57f9a0810df4c03de8492bb619c6230a600e9405340eff1

  • SSDEEP

    3072:tA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoBo:tzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2dedba29f062f380a0d7b10fa5844bf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2dedba29f062f380a0d7b10fa5844bf.dll,#1
      2⤵
        PID:2292
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 692
          3⤵
          • Program crash
          PID:1464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2292 -ip 2292
      1⤵
        PID:3528

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2292-0-0x0000000074DA0000-0x0000000074DD0000-memory.dmp

        Filesize

        192KB

      • memory/2292-1-0x0000000000FB0000-0x0000000000FB6000-memory.dmp

        Filesize

        24KB