Analysis

  • max time kernel
    140s
  • 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 18:50

General

  • Target

    b2daf82dd95a394574fda5e605357f77.dll

  • Size

    188KB

  • MD5

    b2daf82dd95a394574fda5e605357f77

  • SHA1

    929726cd9b5fe3004af6ffec4c6561e46ac4ae95

  • SHA256

    f3249f46a32ef3c6c9f4dbf7b71f7c0f4f7be010c671d44f510233cc0e1e453c

  • SHA512

    e1b02253a7fbf4bc0cf3309e25a5f297b2fc10093da135e4474501e48da54ea56321be78c073e5dce391d31bb44920480bc793c3c95184e673bf77f71596a93b

  • SSDEEP

    3072:DA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo3o:DzIqATVfQeV2FZalKq6jtGJWuTmd

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\b2daf82dd95a394574fda5e605357f77.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2daf82dd95a394574fda5e605357f77.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1740
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 300
        3⤵
        • Program crash
        PID:2728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1740-0-0x00000000747B0000-0x00000000747E0000-memory.dmp

    Filesize

    192KB

  • memory/1740-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB