Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07-05-2022 04:21

General

  • Target

    pqyxgi.dll

  • Size

    562KB

  • MD5

    3d0fffa0fe157c3bffb917e6a8d9da2e

  • SHA1

    3e7f43dda78e1d8136bbbb1bf28667d4632c661e

  • SHA256

    03bb64d1d0d91623bd8d83e769e97d39cf8175584dce06bc07936a8050ee4e41

  • SHA512

    aede69afc0203edb7162e0fe48bdbc5ff6ab43945a478b5b0ccbb49aa81014778b1f14ceda25e21fd98bc224da24e962cc1124523a626f7488b3817dfeaeb926

Score
10/10

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

210.65.244.176:443

37.34.58.210:6601

77.220.64.141:5037

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Drops file in System32 directory 2 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\pqyxgi.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1836
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\pqyxgi.dll
      2⤵
        PID:3544
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k netsvcs -p
      1⤵
      • Drops file in System32 directory
      • Checks processor information in registry
      • Enumerates system info in registry
      PID:3336

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3544-132-0x0000000074F20000-0x0000000074FC0000-memory.dmp

      Filesize

      640KB

    • memory/3544-131-0x0000000074F20000-0x0000000074F5D000-memory.dmp

      Filesize

      244KB

    • memory/3544-134-0x0000000074F20000-0x0000000074FC0000-memory.dmp

      Filesize

      640KB