Analysis

  • max time kernel
    110s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 09:23

General

  • Target

    e1a12bb7dda1c0a71ab56f52d08c6370N.dll

  • Size

    179KB

  • MD5

    e1a12bb7dda1c0a71ab56f52d08c6370

  • SHA1

    a7e1f146b381e0631ffe1ac18f940ede6da9a370

  • SHA256

    70590e089c1d92117c0b115200a59ad99c3fde352a8f1ac05831306685c038cf

  • SHA512

    9ed48aabd3ef37e91f0d68d18a1a97fe066758b49d191bfac995d8a66a7e4ee049dc17f89128a7d92572e07c0bd88469b1c2e1016e13d202f59f47789acaa7d2

  • SSDEEP

    3072:CuCmyBVtWxZCOCA4Hpl1tv18F+yoSJPAacbnid8DOHPJ+HJG:+zWxkOP4pOcDi6DOHPJt

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

rc4.plain
rc4.plain
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\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e1a12bb7dda1c0a71ab56f52d08c6370N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1744 -s 220
        3⤵
        • Program crash
        PID:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1744-0-0x00000000000C0000-0x00000000000C6000-memory.dmp

    Filesize

    24KB

  • memory/1744-1-0x00000000754E0000-0x0000000075511000-memory.dmp

    Filesize

    196KB

  • memory/1744-3-0x00000000000C0000-0x00000000000C6000-memory.dmp

    Filesize

    24KB