Analysis

  • max time kernel
    94s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 16:06

General

  • Target

    42f2aa3abd1bdec005078fe9a5f15c1494869ad7e6675669be584f6efdd25ee1.dll

  • Size

    184KB

  • MD5

    5657bdfaf05f2540d68cdb9420b7f81e

  • SHA1

    af8f16e2d2110e35a928c7bd8bcb58aff2f90c1c

  • SHA256

    42f2aa3abd1bdec005078fe9a5f15c1494869ad7e6675669be584f6efdd25ee1

  • SHA512

    61ce3c0207195966e3e29199a58c263591583d4b1324150a077697b5c2522d0915b86814bccbc213f0c67ffa7f241a834047de489e9db36a71017fd103776b8f

  • SSDEEP

    3072:s92qSmHOhnWpPI1ybmJIiC00PArIojHTYVBCn+rs3Ss3qLMTcrLA:s9NSMOEpQ1Q3ODAr+VY

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

80.241.218.90:443

103.161.172.109:13786

87.98.128.76:5723

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 2 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\42f2aa3abd1bdec005078fe9a5f15c1494869ad7e6675669be584f6efdd25ee1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4232
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\42f2aa3abd1bdec005078fe9a5f15c1494869ad7e6675669be584f6efdd25ee1.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2872
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2872 -s 616
        3⤵
        • Program crash
        PID:1352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2872 -ip 2872
    1⤵
      PID:4452

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2872-0-0x0000000000850000-0x0000000000856000-memory.dmp

      Filesize

      24KB

    • memory/2872-1-0x0000000074B20000-0x0000000074B4F000-memory.dmp

      Filesize

      188KB

    • memory/2872-3-0x0000000000850000-0x0000000000856000-memory.dmp

      Filesize

      24KB

    • memory/2872-2-0x0000000074B20000-0x0000000074B4F000-memory.dmp

      Filesize

      188KB