Analysis

  • max time kernel
    37s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 06:19

General

  • Target

    YPLRekkklgbtq.dll

  • Size

    512KB

  • MD5

    00f420f88d53dca440288d6ff4958124

  • SHA1

    df18658f05cb9b0331b36ffbc6738a3bf86b7904

  • SHA256

    99b02ee3c8256eb95c745119609a976ced1d887e6475f6bd3768fb9711e75554

  • SHA512

    cbd3f2a60a51a8139837e3f0c2f5193d5e58a1e04e1aa0c7ee74a722e6e2f4fc75ed4f5d0e069eff96a42fc11483d0ed42781a9f443d58fa75d9f179395bbf98

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\YPLRekkklgbtq.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\YPLRekkklgbtq.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:924
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 924 -s 300
        3⤵
        • Program crash
        PID:956

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/924-54-0x0000000000000000-mapping.dmp
  • memory/924-55-0x0000000075C01000-0x0000000075C03000-memory.dmp
    Filesize

    8KB

  • memory/924-56-0x0000000074C60000-0x0000000074CE1000-memory.dmp
    Filesize

    516KB

  • memory/924-59-0x0000000000100000-0x0000000000106000-memory.dmp
    Filesize

    24KB

  • memory/956-58-0x0000000000000000-mapping.dmp