Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    04-03-2024 08:00

General

  • Target

    b19c45ee4711a610ca9e4c670f1f961b.dll

  • Size

    188KB

  • MD5

    b19c45ee4711a610ca9e4c670f1f961b

  • SHA1

    dcf8fc8594878b2fc8a5fa1c310f7cedce996530

  • SHA256

    57153c0b7efd070f54fb53ac6a836edc9e6e9bfee6ab51e18270c5300f390d38

  • SHA512

    9b7acaa51cd7e66993dbb226d641c5603967c9836127964df2af5d539e11cf9220a686c77e3f89d0411c18b675bb02e8c0ccdd08deee4ddc09e4a7bb359bc7a6

  • SSDEEP

    3072:YA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAooo:YzIqATVfQeV2FZalKq6jtGJWuTmd

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\b19c45ee4711a610ca9e4c670f1f961b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b19c45ee4711a610ca9e4c670f1f961b.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 300
        3⤵
        • Program crash
        PID:2328

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2204-0-0x0000000075330000-0x0000000075360000-memory.dmp

    Filesize

    192KB

  • memory/2204-1-0x0000000000190000-0x0000000000196000-memory.dmp

    Filesize

    24KB