Analysis

  • max time kernel
    141s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 23:01

General

  • Target

    b35164c22aa68fe0c30ef09532f315e8.dll

  • Size

    188KB

  • MD5

    b35164c22aa68fe0c30ef09532f315e8

  • SHA1

    3fde48fe078921fb2a845c0c8fd7e99b4c848949

  • SHA256

    62b68f5d92392ecfe5ab2a10cbe13dd406fa728840e3aab76b7602b71d28e538

  • SHA512

    97861d1b0d93b0801dae0e41998befc17da9d436415809aeb29c8ee47db2e0f231eba2d14d29af3b4da60f413b05c4c5210d6137e5afd6685f47fbce4e522ad7

  • SSDEEP

    3072:8A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAooo:8zIqATVfQeV2FZalKq6jtGJWuTmd

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\b35164c22aa68fe0c30ef09532f315e8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2872
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b35164c22aa68fe0c30ef09532f315e8.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 300
        3⤵
        • Program crash
        PID:2892

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2100-0-0x0000000074BD0000-0x0000000074C00000-memory.dmp

    Filesize

    192KB

  • memory/2100-2-0x00000000001A0000-0x00000000001A6000-memory.dmp

    Filesize

    24KB