Analysis

  • max time kernel
    143s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 18:06

General

  • Target

    dfc7ce843293e8581cfd9cf58bdecd2c.dll

  • Size

    188KB

  • MD5

    dfc7ce843293e8581cfd9cf58bdecd2c

  • SHA1

    47fe97050ccc0fdfa1c9b6f999dac1481b65f572

  • SHA256

    77cab46910c3eee1ce6e2a2c97e91b7dff92b53d129daf6863f7093a007a29ae

  • SHA512

    e46b854365c207e583cc096e2b9a61b92ac45972fec22261ae5a4dd271bc72644f4c10268afc86b04433e0762689f63e4aebe4947007218e1bbd6903798bef1a

  • SSDEEP

    3072:/A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoEo:/zIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfc7ce843293e8581cfd9cf58bdecd2c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dfc7ce843293e8581cfd9cf58bdecd2c.dll,#1
      2⤵
        PID:4700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 688
          3⤵
          • Program crash
          PID:2644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4700 -ip 4700
      1⤵
        PID:544

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4700-0-0x0000000074F10000-0x0000000074F40000-memory.dmp
        Filesize

        192KB

      • memory/4700-1-0x0000000000B40000-0x0000000000B46000-memory.dmp
        Filesize

        24KB

      • memory/4700-2-0x0000000074F10000-0x0000000074F40000-memory.dmp
        Filesize

        192KB