Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 14:15

General

  • Target

    87a701403b06dd427a8b23dd485d70a0N.dll

  • Size

    188KB

  • MD5

    87a701403b06dd427a8b23dd485d70a0

  • SHA1

    92d1c481a80428664d8b6efba255d27fe26273a7

  • SHA256

    48a184e9edb814ab86572d907ceef50a01a9eb15f90be8bf6ce11d3948a396e2

  • SHA512

    b66cc064bee7b6d555da37a8900a87464d86af689d56c17b71a8834b2e7c9fc049f942b206509c6e43312202a05aa5de93f2e2ece8087a9e5343c64572e6c710

  • SSDEEP

    3072:YteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzC9qM:cq7fYIHBZkTB6DWruUCOwjt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.87.173.60:443

45.32.243.209:8116

207.180.208.54:4664

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a701403b06dd427a8b23dd485d70a0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\87a701403b06dd427a8b23dd485d70a0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2868 -s 300
        3⤵
        • Program crash
        PID:484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2868-0-0x0000000000190000-0x0000000000196000-memory.dmp

    Filesize

    24KB

  • memory/2868-1-0x0000000075230000-0x0000000075260000-memory.dmp

    Filesize

    192KB

  • memory/2868-3-0x0000000000190000-0x0000000000196000-memory.dmp

    Filesize

    24KB