Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 20:50

General

  • Target

    04aa21dfb0b6c40beb94794c0f479e80N.dll

  • Size

    184KB

  • MD5

    04aa21dfb0b6c40beb94794c0f479e80

  • SHA1

    1914767a2d8e2a18845e10dc4ad30e0377ad0619

  • SHA256

    f0678b26a28ea7dc1c6e8c68887be3230ec554a4f44bc84547f71f5d7a2dc7cd

  • SHA512

    74d0652a72107a1a6664a6ee92b4239428c4f7f13e26650b8b02453fdf98745e2d7cca487f5d49e204b648c8e148a444141fc4830aec044e1ccf0e25209bcdfc

  • SSDEEP

    3072:QJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JDa//2uFrSc:tfYOX+wTScR/Xzku9LVw8uG

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\04aa21dfb0b6c40beb94794c0f479e80N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\04aa21dfb0b6c40beb94794c0f479e80N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1604 -s 624
        3⤵
        • Program crash
        PID:4896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 1604 -ip 1604
    1⤵
      PID:876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1604-0-0x0000000000700000-0x0000000000706000-memory.dmp

      Filesize

      24KB

    • memory/1604-1-0x0000000075050000-0x000000007507F000-memory.dmp

      Filesize

      188KB

    • memory/1604-3-0x0000000000700000-0x0000000000706000-memory.dmp

      Filesize

      24KB

    • memory/1604-2-0x0000000075050000-0x000000007507F000-memory.dmp

      Filesize

      188KB