Analysis

  • max time kernel
    137s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2024 07:40

General

  • Target

    7f458c6c1ba3f319ee7f688fbc1e9a63.dll

  • Size

    188KB

  • MD5

    7f458c6c1ba3f319ee7f688fbc1e9a63

  • SHA1

    c13f506d3076360fabec1030d2f1a7dd1bc4abef

  • SHA256

    e74390d1fa86529d668f01e7a0b48597e7c641f55c36f9fcb4021da1e9235bc8

  • SHA512

    f6f58a878c96bdda91c4480d1423d8e9b7b25d2447a4a35684120a9def15b7a93c8a8fd4fe173e5533ee909bb09fb6fc2f9e6ed4c3e9ea485d5584fdbf87c312

  • SSDEEP

    3072:UH0uyjZqEpAK+Gf78TBdrXkTM5vhRg9Esf0DwvtyMpVnpA+z6tX8sxKViWZ7dU:UUua/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\7f458c6c1ba3f319ee7f688fbc1e9a63.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7f458c6c1ba3f319ee7f688fbc1e9a63.dll,#1
      2⤵
        PID:376
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 692
          3⤵
          • Program crash
          PID:2152
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 376 -ip 376
      1⤵
        PID:3260

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/376-0-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

        Filesize

        24KB

      • memory/376-1-0x0000000074DF0000-0x0000000074E20000-memory.dmp

        Filesize

        192KB

      • memory/376-3-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

        Filesize

        24KB