Analysis

  • max time kernel
    146s
  • max time network
    157s
  • 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 14:26

General

  • Target

    df62a36d028fe746a8bf350647b76433.dll

  • Size

    188KB

  • MD5

    df62a36d028fe746a8bf350647b76433

  • SHA1

    016ce93501dadaeb41fad13116e19083ec0b7eda

  • SHA256

    b78b6d194c09da04afe254a9897ea138f4c203856f4b9e58ced85bc854157b1f

  • SHA512

    308114d1ec15782ad3e78887a7fa9ffcc17b093a0e0a0cfc84280a1d65d11c98f8de7781d44c6291505b82dc809c09b6811480ad56970504a44ff9416c740c46

  • SSDEEP

    3072:/H0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViW47dU:/Uua/Pv7YNhRIEZDeXVpAxtMsxK

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 1 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\df62a36d028fe746a8bf350647b76433.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\df62a36d028fe746a8bf350647b76433.dll,#1
      2⤵
        PID:4836
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 692
          3⤵
          • Program crash
          PID:3516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4836 -ip 4836
      1⤵
        PID:976

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4836-0-0x0000000074BA0000-0x0000000074BD0000-memory.dmp
        Filesize

        192KB

      • memory/4836-1-0x00000000012D0000-0x00000000012D6000-memory.dmp
        Filesize

        24KB