Analysis

  • max time kernel
    98s
  • max time network
    101s
  • 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 09:30

General

  • Target

    59943af2c4e0f82a9e9c6294d3eec440N.dll

  • Size

    184KB

  • MD5

    59943af2c4e0f82a9e9c6294d3eec440

  • SHA1

    25ec68775aca9ade4f49f7ce46640e53a93cc148

  • SHA256

    4ededeae28a401eb931a868c861075ec5478002ecfff635752f6b834fb9a5598

  • SHA512

    9ba83c825a5894eb04ade8494c88d7822376ecde93d6fc15f9c2d3c16b672a6c9692ce8c6697d83097163d54560af7569b8add08978a7b293a5eff82fb95b0b6

  • SSDEEP

    3072:EJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8Jjfa//2uFrSc:pfYOX+wTScR/Xzku9LVw96uG

Malware Config

Extracted

Family

dridex

Botnet

22201

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 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\59943af2c4e0f82a9e9c6294d3eec440N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\59943af2c4e0f82a9e9c6294d3eec440N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2064
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 616
        3⤵
        • Program crash
        PID:376
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2064 -ip 2064
    1⤵
      PID:3512

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2064-0-0x0000000001310000-0x0000000001316000-memory.dmp

      Filesize

      24KB

    • memory/2064-1-0x0000000074E20000-0x0000000074E4F000-memory.dmp

      Filesize

      188KB

    • memory/2064-2-0x0000000074E20000-0x0000000074E4F000-memory.dmp

      Filesize

      188KB

    • memory/2064-3-0x0000000001310000-0x0000000001316000-memory.dmp

      Filesize

      24KB