Analysis

  • max time kernel
    19s
  • max time network
    38s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-09-2024 01:04

Errors

Reason
Machine shutdown

General

  • Target

    a31df16510d93d5c0289a1013fd7b4e0N.dll

  • Size

    236KB

  • MD5

    a31df16510d93d5c0289a1013fd7b4e0

  • SHA1

    d26fe1b86f3a9b683caab3f850ce6a12b8e26896

  • SHA256

    b34e58ec10c91b8c8e8d71f7ab9906a463ca89a51915fd98dee54b89be9960a3

  • SHA512

    b8c0698bea96e90f0b90cc80121dc926672d1ac405c8cb9bcaeade0158392f00b5df1b5e042600f83eafe1af4c7faad23cd997f2b03e8e821741cfd6cd7cbdea

  • SSDEEP

    6144:i1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:i1GmSafShjYdd96z/6cwdC

Malware Config

Extracted

Family

dridex

Botnet

111

C2

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a31df16510d93d5c0289a1013fd7b4e0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2020
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a31df16510d93d5c0289a1013fd7b4e0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3008-0-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

    Filesize

    24KB

  • memory/3008-1-0x0000000075750000-0x000000007578D000-memory.dmp

    Filesize

    244KB

  • memory/3008-3-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

    Filesize

    24KB

  • memory/3008-4-0x0000000075750000-0x000000007578D000-memory.dmp

    Filesize

    244KB