Analysis

  • max time kernel
    139s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 21:08

General

  • Target

    645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll

  • Size

    184KB

  • MD5

    1d7f8e1ba732933739604999a7156386

  • SHA1

    042e0fe77364c19b89a2bd808f1b206c18a552c9

  • SHA256

    645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb

  • SHA512

    c747d811f7f1cbe9bf681162d44b0366bee13ac47661235f0f910299a570bb2e4474be6c5a46179da2a6e582536cf3cc12cacd185713398446001700c69bcdf4

  • SSDEEP

    3072:dJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JYa//2uFrSc:mfYOX+wTScR/Xzku9LVwfuG

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\645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\645f390068f8adc57b56c3e148de8dee84ead38057e51d96a82f4748576f52bb.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1800
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1800 -s 616
        3⤵
        • Program crash
        PID:2024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1800 -ip 1800
    1⤵
      PID:2068

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1800-0-0x0000000075430000-0x000000007545F000-memory.dmp

      Filesize

      188KB

    • memory/1800-2-0x0000000000EB0000-0x0000000000EB6000-memory.dmp

      Filesize

      24KB

    • memory/1800-3-0x0000000075430000-0x000000007545F000-memory.dmp

      Filesize

      188KB