Analysis

  • max time kernel
    139s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 01:25

General

  • Target

    a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827.dll

  • Size

    184KB

  • MD5

    9f439c727b9c0729e7ff3d597fadd0e0

  • SHA1

    d5f1e2b2d699ad41d03b608aae5ab141d599dedb

  • SHA256

    a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827

  • SHA512

    7469ca38c1f04340f803f8dd9fa51ac01ea6fc65f913d9d923ea315fca656de5a2c0a6b562299c1d0d5f3872f7f14484d2ad43a6c34a122c009ca17db6db21a0

  • SSDEEP

    3072:9JQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JPa//2uFrSc:GfYOX+wTScR/Xzku9LVw0uG

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\a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a7112558eec180e34bd7f143624446893caa99b56820382b1a7f803f5ce52827.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2412 -s 616
        3⤵
        • Program crash
        PID:1948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2412 -ip 2412
    1⤵
      PID:3284

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2412-0-0x00000000007F0000-0x00000000007F6000-memory.dmp

      Filesize

      24KB

    • memory/2412-1-0x00000000756B0000-0x00000000756DF000-memory.dmp

      Filesize

      188KB

    • memory/2412-3-0x00000000007F0000-0x00000000007F6000-memory.dmp

      Filesize

      24KB

    • memory/2412-2-0x00000000756B0000-0x00000000756DF000-memory.dmp

      Filesize

      188KB