Analysis

  • max time kernel
    140s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-01-2024 09:02

General

  • Target

    488fd587f82a58563f98188c67021af4.dll

  • Size

    188KB

  • MD5

    488fd587f82a58563f98188c67021af4

  • SHA1

    cd53f660ad80e343eee5ebe5123058be9a5f34ab

  • SHA256

    c3f5b84376a8810134964430a0f6c6cf32f358c3a1c0b5c2b1a251432529a735

  • SHA512

    03d4b633b5892c977442a14429653865d1ee2363375ca97c0e024210ed68b7f72a4e2aae56def912f25346afa1ce86d31835ace3d4c43aa8d66253c13d409425

  • SSDEEP

    3072:7A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoko:7zIqATVfQeV2FZalKq6jtGJWuTmd

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\488fd587f82a58563f98188c67021af4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\488fd587f82a58563f98188c67021af4.dll,#1
      2⤵
        PID:1876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 692
          3⤵
          • Program crash
          PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1876 -ip 1876
      1⤵
        PID:4816

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1876-0-0x00000000014A0000-0x00000000014A6000-memory.dmp

        Filesize

        24KB

      • memory/1876-1-0x0000000075030000-0x0000000075060000-memory.dmp

        Filesize

        192KB

      • memory/1876-4-0x00000000014A0000-0x00000000014A6000-memory.dmp

        Filesize

        24KB