Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 18:50

General

  • Target

    b2daf82dd95a394574fda5e605357f77.dll

  • Size

    188KB

  • MD5

    b2daf82dd95a394574fda5e605357f77

  • SHA1

    929726cd9b5fe3004af6ffec4c6561e46ac4ae95

  • SHA256

    f3249f46a32ef3c6c9f4dbf7b71f7c0f4f7be010c671d44f510233cc0e1e453c

  • SHA512

    e1b02253a7fbf4bc0cf3309e25a5f297b2fc10093da135e4474501e48da54ea56321be78c073e5dce391d31bb44920480bc793c3c95184e673bf77f71596a93b

  • SSDEEP

    3072:DA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo3o:DzIqATVfQeV2FZalKq6jtGJWuTmd

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 2 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\b2daf82dd95a394574fda5e605357f77.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2daf82dd95a394574fda5e605357f77.dll,#1
      2⤵
        PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 688
          3⤵
          • Program crash
          PID:4040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1192 -ip 1192
      1⤵
        PID:708

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1192-0-0x0000000075880000-0x00000000758B0000-memory.dmp

        Filesize

        192KB

      • memory/1192-1-0x0000000000650000-0x0000000000656000-memory.dmp

        Filesize

        24KB

      • memory/1192-2-0x0000000075880000-0x00000000758B0000-memory.dmp

        Filesize

        192KB