Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 20:02

General

  • Target
    24db2c238a80d9841af8c57e59173b94c0e838ca6136049f0779daf3b4dd26f5.dll
  • Size 188KB
  • Sample240817-ysff1stfqc
  • SHA256 24db2c238a80d9841af8c57e59173b94c0e838ca6136049f0779daf3b4dd26f5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22202

C2
  • 134.209.182.12:443

  • 188.40.100.254:4664

  • 103.109.247.9:10443

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\24db2c238a80d9841af8c57e59173b94c0e838ca6136049f0779daf3b4dd26f5.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\24db2c238a80d9841af8c57e59173b94c0e838ca6136049f0779daf3b4dd26f5.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 656
        3⤵
        • Program crash
        PID:1492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
    1⤵
      PID:2720

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4020-0-0x0000000000900000-0x0000000000906000-memory.dmp

          memory/4020-1-0x0000000075250000-0x0000000075280000-memory.dmp

          memory/4020-3-0x0000000000900000-0x0000000000906000-memory.dmp