Analysis

  • max time kernel
    110s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 22:25

General

  • Target

    5de87cf3b1f715fc92af86d188c64690N.dll

  • Size

    184KB

  • MD5

    5de87cf3b1f715fc92af86d188c64690

  • SHA1

    b4df7a6802fb3478796f3723e2eaa2ec320a0822

  • SHA256

    832d4287163710993db877c507f04f2d02fa838e7c0645ed6884523c97796a6c

  • SHA512

    4d47d7f120ae708eccccd36b4805ec15221f08d495ab995b372ee7c89d885c7d7321aa560798da9dc7c6c653dd73edd4d820926a25330c24193f3bce48ddccbb

  • SSDEEP

    3072:NiLVj+luuUXoPOK2z1WPRgg5YbW+d0Ojk1bSA5q/eao5lzoxss7:NiLVCIT4WK2z1W+CUHZj4Skq/eaonoC

Malware Config

Extracted

Family

dridex

Botnet

22202

C2

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

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\5de87cf3b1f715fc92af86d188c64690N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5de87cf3b1f715fc92af86d188c64690N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:700
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 700 -s 220
        3⤵
        • Program crash
        PID:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/700-2-0x00000000000E0000-0x00000000000E6000-memory.dmp

    Filesize

    24KB

  • memory/700-0-0x0000000075590000-0x00000000755BF000-memory.dmp

    Filesize

    188KB