Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 10:02

General

  • Target

    b1d87acb845ef0293bc3a2ba55010cfa.dll

  • Size

    188KB

  • MD5

    b1d87acb845ef0293bc3a2ba55010cfa

  • SHA1

    5330cb3187b5ecdb279b2e470bc43bef8589907f

  • SHA256

    9fb11eee620499834bee46cebb8328d2efdbd48e933a66a9ba62a30cdb3613d9

  • SHA512

    75c09105fff672b81f14eb71939a52c3e2d85e932d06fa8c13dba892bd6b96e0d10c1b383e8732309194e28fd578c3675a7072f05febe57fe0549c179d2e7838

  • SSDEEP

    3072:lA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAouo:lzIqATVfQeV2FZalKq6jtGJWuTmd

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.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d87acb845ef0293bc3a2ba55010cfa.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b1d87acb845ef0293bc3a2ba55010cfa.dll,#1
      2⤵
        PID:2924

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2924-0-0x0000000074C10000-0x0000000074C40000-memory.dmp

      Filesize

      192KB

    • memory/2924-1-0x0000000000100000-0x0000000000106000-memory.dmp

      Filesize

      24KB