Analysis

  • max time kernel
    102s
  • max time network
    102s
  • 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 12:54

General

  • Target

    880c553b960056cd6782ac9b2d43f880N.dll

  • Size

    184KB

  • MD5

    880c553b960056cd6782ac9b2d43f880

  • SHA1

    71ea38b813fd04b6a044189cf86726039d76c556

  • SHA256

    13c2bdb0c7b6df3772fc0e0cc3d654b42c0d6ee18c948a53f9888e58bfde9d3b

  • SHA512

    407242e09e4f5d8d4b9a31329caadd32e64be44b8c0b51ad72511ad215e4aaea9522d80f274cfb5fcc1e1e58e14815086cd4ea9282e29873f2196e393981ef31

  • SSDEEP

    3072:yJQ6H3ykY88YOSs+k1TwEuTcMIznNuOzlr1Xznku9Luk0eJww8JLa//2uFrSc:zfYOX+wTScR/Xzku9LVwkuG

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\880c553b960056cd6782ac9b2d43f880N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\880c553b960056cd6782ac9b2d43f880N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2504
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 624
        3⤵
        • Program crash
        PID:2284
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2504 -ip 2504
    1⤵
      PID:4484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2504-0-0x0000000075190000-0x00000000751BF000-memory.dmp

      Filesize

      188KB

    • memory/2504-2-0x0000000000AB0000-0x0000000000AB6000-memory.dmp

      Filesize

      24KB

    • memory/2504-3-0x0000000075190000-0x00000000751BF000-memory.dmp

      Filesize

      188KB