Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2dedba29f062f380a0d7b10fa5844bf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2dedba29f062f380a0d7b10fa5844bf.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 308
        3⤵
        • Program crash
        PID:2652

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2612-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2612-0-0x0000000074BE0000-0x0000000074C10000-memory.dmp

    Filesize

    192KB