Analysis

  • max time kernel
    141s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2024 08:22

General

  • Target

    7f59d7d39073990f4fe6c3095a4cf307.dll

  • Size

    188KB

  • MD5

    7f59d7d39073990f4fe6c3095a4cf307

  • SHA1

    d1f59e158d6220485c397762703863b5cd66b090

  • SHA256

    9a1a4ad36d0cea923e44d4fae1326ec2b4fd7b6a422731ec8c3264eb9077b33a

  • SHA512

    f0d9f96319d7d625ac49bf0c21bd0241f316d0c9b278017a882fbe50ba87cbbd3e08a5fac14158bdac7704bc3f821798b4d39b684395f0ae0f1cc4acd63094e7

  • SSDEEP

    3072:PA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAovo:PzIqATVfQeV2FZalKq6jtGJWuTmd

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\7f59d7d39073990f4fe6c3095a4cf307.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f59d7d39073990f4fe6c3095a4cf307.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2328
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2328 -s 308
        3⤵
        • Program crash
        PID:2656

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2328-0-0x0000000075340000-0x0000000075370000-memory.dmp

    Filesize

    192KB

  • memory/2328-1-0x00000000003A0000-0x00000000003A6000-memory.dmp

    Filesize

    24KB