Analysis

  • max time kernel
    140s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 20:17

General

  • Target

    b3066fd0b804b7ddce1609da2294e8cd.dll

  • Size

    188KB

  • MD5

    b3066fd0b804b7ddce1609da2294e8cd

  • SHA1

    11c76f27f65b14fcc14c2d31a00b5cb8bddc3a40

  • SHA256

    d503c502518a419d103221cf7cd8387424ef00bbe47c533a3521de555f40cfb3

  • SHA512

    3c927b38d0536faac56b0978d85501f51726fc9498f73eefb8ed24ec7f7e5c1f364a85273cb4946715b06ebd1ff6da381b7d0869ac2f185eabc55cc71c300e71

  • SSDEEP

    3072:iA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo5o:izIqATVfQeV2FZalKq6jtGJWuTmd

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3066fd0b804b7ddce1609da2294e8cd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b3066fd0b804b7ddce1609da2294e8cd.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1976
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 300
        3⤵
        • Program crash
        PID:2992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1976-0-0x0000000074F30000-0x0000000074F60000-memory.dmp

    Filesize

    192KB

  • memory/1976-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB