Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v200722
  • submitted
    13/10/2020, 16:51

General

  • Target
    826d68f6e4a2c308e91aad81c8368443.exe
  • Size 1.3MB
  • Sample201013-3wf7cjg86s
  • SHA256 c686c7b2fff2ad2853c1d450d44fcf96ff3df67f34205b6b4e0352153893c924
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • oski

C2
  • morasegio.ug

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Extracted

Family
  • raccoon

Botnet
  • ee3b370277b98939f8098234def6cb188c03591f

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers.

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • ModiLoader First Stage 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 27 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 2 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\826d68f6e4a2c308e91aad81c8368443.exe
    "C:\Users\Admin\AppData\Local\Temp\826d68f6e4a2c308e91aad81c8368443.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\Gdyhfdfg.exe
      "C:\Users\Admin\AppData\Local\Temp\Gdyhfdfg.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Users\Admin\AppData\Local\Temp\Gdyhfdfg.exe
        "C:\Users\Admin\AppData\Local\Temp\Gdyhfdfg.exe"
        3⤵
        • Executes dropped EXE
        PID:1880
    • C:\Users\Admin\AppData\Local\Temp\Iytrgbdsf.exe
      "C:\Users\Admin\AppData\Local\Temp\Iytrgbdsf.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Users\Admin\AppData\Local\Temp\Iytrgbdsf.exe
        "C:\Users\Admin\AppData\Local\Temp\Iytrgbdsf.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1864
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c taskkill /pid 1864 & erase C:\Users\Admin\AppData\Local\Temp\Iytrgbdsf.exe & RD /S /Q C:\\ProgramData\\580220328246166\\* & exit
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1804
          • C:\Windows\SysWOW64\taskkill.exe
            taskkill /pid 1864
            5⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:620
    • C:\Users\Admin\AppData\Local\Temp\826d68f6e4a2c308e91aad81c8368443.exe
      "C:\Users\Admin\AppData\Local\Temp\826d68f6e4a2c308e91aad81c8368443.exe"
      2⤵
      • Loads dropped DLL
      • Drops desktop.ini file(s)
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1892
      • C:\Users\Admin\AppData\Local\Temp\JyggRfwqbm.exe
        "C:\Users\Admin\AppData\Local\Temp\JyggRfwqbm.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        PID:1920
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
          "Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\ddvlc.exe"'
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1408
        • C:\Users\Admin\AppData\Local\Temp\JyggRfwqbm.exe
          "C:\Users\Admin\AppData\Local\Temp\JyggRfwqbm.exe"
          4⤵
          • Executes dropped EXE
          PID:1932
      • C:\Users\Admin\AppData\Local\Temp\rZMzyRSNaq.exe
        "C:\Users\Admin\AppData\Local\Temp\rZMzyRSNaq.exe"
        3⤵
        • Executes dropped EXE
        • Modifies system certificate store
        PID:1952
        • C:\Windows\SysWOW64\Notepad.exe
          "C:\Windows\System32\Notepad.exe"
          4⤵
            PID:1244
        • C:\Users\Admin\AppData\Local\Temp\h3ryuI8xNF.exe
          "C:\Users\Admin\AppData\Local\Temp\h3ryuI8xNF.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1788
          • C:\Users\Admin\AppData\Local\Temp\h3ryuI8xNF.exe
            "C:\Users\Admin\AppData\Local\Temp\h3ryuI8xNF.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            PID:1936
            • \??\c:\windows\SysWOW64\cmstp.exe
              "c:\windows\system32\cmstp.exe" /au C:\Windows\temp\z5dskuiv.inf
              5⤵
                PID:1472
          • C:\Users\Admin\AppData\Local\Temp\UFVdagDMLY.exe
            "C:\Users\Admin\AppData\Local\Temp\UFVdagDMLY.exe"
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1536
            • C:\Users\Admin\AppData\Local\Temp\UFVdagDMLY.exe
              "C:\Users\Admin\AppData\Local\Temp\UFVdagDMLY.exe"
              4⤵
              • Executes dropped EXE
              • Windows security modification
              PID:1520
              • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                "powershell" Get-MpPreference -verbose
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2012
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\826d68f6e4a2c308e91aad81c8368443.exe"
            3⤵
            • Deletes itself
            • Suspicious use of WriteProcessMemory
            PID:1868
            • C:\Windows\SysWOW64\timeout.exe
              timeout /T 10 /NOBREAK
              4⤵
              • Delays execution with timeout.exe
              PID:324

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            memory/1244-172-0x00000000000E0000-0x00000000000E1000-memory.dmp

            memory/1244-174-0x0000000000120000-0x0000000000121000-memory.dmp

            memory/1408-108-0x0000000002380000-0x0000000002381000-memory.dmp

            memory/1408-131-0x0000000006120000-0x0000000006121000-memory.dmp

            memory/1408-105-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1408-133-0x0000000006160000-0x0000000006161000-memory.dmp

            memory/1408-140-0x0000000006280000-0x0000000006281000-memory.dmp

            memory/1408-163-0x0000000006390000-0x0000000006391000-memory.dmp

            memory/1408-113-0x0000000004B80000-0x0000000004B81000-memory.dmp

            memory/1408-126-0x00000000056E0000-0x00000000056E1000-memory.dmp

            memory/1408-147-0x0000000005650000-0x0000000005651000-memory.dmp

            memory/1408-162-0x0000000006340000-0x0000000006341000-memory.dmp

            memory/1520-80-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1520-86-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1520-88-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1520-90-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1536-68-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1536-72-0x00000000002F0000-0x000000000030E000-memory.dmp

            memory/1536-69-0x00000000011C0000-0x00000000011C1000-memory.dmp

            memory/1568-29-0x000007FEF7AE0000-0x000007FEF7D5A000-memory.dmp

            memory/1788-60-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1788-75-0x0000000000240000-0x000000000024D000-memory.dmp

            memory/1788-61-0x0000000000120000-0x0000000000121000-memory.dmp

            memory/1788-74-0x0000000000290000-0x00000000002AD000-memory.dmp

            memory/1864-27-0x0000000000400000-0x0000000000437000-memory.dmp

            memory/1864-18-0x0000000000400000-0x0000000000437000-memory.dmp

            memory/1880-19-0x0000000000400000-0x0000000000423000-memory.dmp

            memory/1880-26-0x0000000000400000-0x0000000000423000-memory.dmp

            memory/1892-28-0x0000000000400000-0x0000000000496000-memory.dmp

            memory/1892-21-0x0000000000400000-0x0000000000496000-memory.dmp

            memory/1920-54-0x0000000000830000-0x0000000000831000-memory.dmp

            memory/1920-49-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1920-73-0x00000000004E0000-0x0000000000507000-memory.dmp

            memory/1932-102-0x0000000000400000-0x000000000042A000-memory.dmp

            memory/1932-101-0x0000000000400000-0x000000000042A000-memory.dmp

            memory/1932-103-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1932-96-0x0000000000400000-0x000000000042A000-memory.dmp

            memory/1936-85-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1936-89-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1936-91-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/1936-79-0x0000000000400000-0x0000000000418000-memory.dmp

            memory/1936-111-0x0000000000220000-0x0000000000225000-memory.dmp

            memory/1952-132-0x00000000002A0000-0x00000000002AF000-memory.dmp

            memory/2012-110-0x0000000072D30000-0x000000007341E000-memory.dmp

            memory/2012-122-0x0000000005410000-0x0000000005411000-memory.dmp

            memory/2012-118-0x00000000026C0000-0x00000000026C1000-memory.dmp