Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 08:11

General

  • Target

    e7c5dd664f4e33effac80b406b6e6fe0N.dll

  • Size

    188KB

  • MD5

    e7c5dd664f4e33effac80b406b6e6fe0

  • SHA1

    f08c30da985b11739ee245348a7ad904c65da63c

  • SHA256

    26d97ab5294bb301c0efc87e6b385c7cb89e39f43234dde03bbbdc5f89ccc90f

  • SHA512

    686cba4544f80bee9c5839cd32ff1002648ab124bae4e085165fd33e7f18754b4f845f3c0cd9ea0f323c349057cf4c1b058c8666d70993db98a0878c79eefbf4

  • SSDEEP

    3072:PteMq7hp/YIzA6BZvlWnTDN2GL9L8NLXWruiuUCzTOwwc0cIzv9qM:Xq7fYIHBZkTB6DWruUCOwjt

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\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3012
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e7c5dd664f4e33effac80b406b6e6fe0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2996 -s 300
        3⤵
        • Program crash
        PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2996-0-0x00000000001A0000-0x00000000001A6000-memory.dmp

    Filesize

    24KB

  • memory/2996-1-0x0000000074550000-0x0000000074580000-memory.dmp

    Filesize

    192KB

  • memory/2996-3-0x00000000001A0000-0x00000000001A6000-memory.dmp

    Filesize

    24KB