Analysis

  • max time kernel
    142s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 17:38

General

  • Target

    d9681e61c1d32adba752a654a5585831.dll

  • Size

    188KB

  • MD5

    d9681e61c1d32adba752a654a5585831

  • SHA1

    86f49e97fa9aab459e126d9bf70b1456932a3dae

  • SHA256

    0e635490d9ce847d1926079bb73008d8f5b46a319a9b4f4b92a5ae49f96ae237

  • SHA512

    ae71812dfcf2b3100729e6a5df8b4c1368aea1b6cc0a7194c5d3b2c39d75d4f770b8aac5de89c2cc61fde5d368c3a4c2e970874833303c726625f6122f50ee70

  • SSDEEP

    3072:nA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoQo:nzIqATVfQeV2FZalKq6jtGJWuTmd

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\d9681e61c1d32adba752a654a5585831.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d9681e61c1d32adba752a654a5585831.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2272 -s 308
        3⤵
        • Program crash
        PID:2800

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2272-1-0x0000000000190000-0x0000000000196000-memory.dmp

    Filesize

    24KB

  • memory/2272-0-0x0000000075050000-0x0000000075080000-memory.dmp

    Filesize

    192KB