Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/08/2024, 03:39

General

  • Target

    6cd3fe0618959fa6d5de0314cb287270N.dll

  • Size

    184KB

  • MD5

    6cd3fe0618959fa6d5de0314cb287270

  • SHA1

    38d88376f859e68197ffcf5d6358ce8fe61a89a5

  • SHA256

    ecc8fb9a8e0bb62b848a36890f7764cee31cd42c69a767c7f4a1bd3acdfef902

  • SHA512

    be34c960606ae4a4f55fdb5fdfc9720b1029058690a57e21414ed65a59106e5faffa218627faefd13855ffb41dae146461668cd85eda2d43c76c04f6363f1830

  • SSDEEP

    3072:lgkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgodA4l:EPFkq6zOe5ilSanOzd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3fe0618959fa6d5de0314cb287270N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6cd3fe0618959fa6d5de0314cb287270N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3104 -s 616
        3⤵
        • Program crash
        PID:904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3104 -ip 3104
    1⤵
      PID:1916

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/3104-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

            Filesize

            24KB

          • memory/3104-0-0x0000000075680000-0x00000000756B0000-memory.dmp

            Filesize

            192KB