Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 05:36

General

  • Target

    HLYbnfSQpxkkklgbtq.dll

  • Size

    512KB

  • MD5

    cc810495ba0d64d3b6081d6006607bc2

  • SHA1

    1aee22f98f546977d0df7c36e8c583915d003a6c

  • SHA256

    176d3e38c6782bf313d6d5f23a14f2e7692181ee50a7b2a2b130caae82e46148

  • SHA512

    edbea012640ef80b2430946321e6a62ee5b907df7f28deb23a43b64f0b6833e3efbcb100ce1400fef2aa4d37881f0365962c0846171c2af92f2fccf17c4f2410

Malware Config

Extracted

Family

dridex

Botnet

22203

C2

51.159.52.196:443

134.209.247.135:6602

194.233.68.48:5228

89.31.56.58:593

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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\HLYbnfSQpxkkklgbtq.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\HLYbnfSQpxkkklgbtq.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1492 -s 300
        3⤵
        • Program crash
        PID:1128

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1128-58-0x0000000000000000-mapping.dmp

  • memory/1492-54-0x0000000000000000-mapping.dmp

  • memory/1492-55-0x00000000762C1000-0x00000000762C3000-memory.dmp

    Filesize

    8KB

  • memory/1492-56-0x0000000075000000-0x0000000075081000-memory.dmp

    Filesize

    516KB

  • memory/1492-59-0x0000000000170000-0x0000000000176000-memory.dmp

    Filesize

    24KB