Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 09:26

General

  • Target

    SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe

  • Size

    1.2MB

  • MD5

    351186b9b345b2fa94ab174c4c19b14f

  • SHA1

    a736ed0ceb2cff740b9f1a6e7a0ce0efbf685fc5

  • SHA256

    5fe247828f3087cbede022c3db3c57ac8c0bb0138ea8e3424021afc4e314d076

  • SHA512

    8a105558ba42004e9aec1d21807144a8814241f9cc130367bfb6bd6d815accc5de21bec102e25acabc6818c29917061f2e1040651fa798fcaee85a9198911fcc

  • SSDEEP

    24576:pUobyhBVHw9S2uk4zCbu26CKVHT38VqnlaV7pNI3xL35yd:iF9D2uk42bb1KVH78VqQbIt3y

Malware Config

Extracted

Family

remcos

Botnet

SEPT 5

C2

sungito2.ddns.net:6509

154.216.19.222:5532

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WJKXMP

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2792
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dYDLGuPwXKp.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2988
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dYDLGuPwXKp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7417.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2936
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
        C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\tbdzlruatigycqtmmlxgdqoipseejsanlf"
        3⤵
          PID:2880
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
          C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\tbdzlruatigycqtmmlxgdqoipseejsanlf"
          3⤵
            PID:2888
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
            C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\tbdzlruatigycqtmmlxgdqoipseejsanlf"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:2732
          • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
            C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\vvqslc"
            3⤵
              PID:2964
            • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
              C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\vvqslc"
              3⤵
                PID:2228
              • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
                C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\vvqslc"
                3⤵
                  PID:2132
                • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
                  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\vvqslc"
                  3⤵
                  • Accesses Microsoft Outlook accounts
                  • System Location Discovery: System Language Discovery
                  PID:1196
                • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe
                  C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.7479.21659.exe /stext "C:\Users\Admin\AppData\Local\Temp\gpvcmuqvv"
                  3⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  PID:952

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\remcos\logs.dat

              Filesize

              144B

              MD5

              949ad8c27166cf89fd9acb5da3a06d29

              SHA1

              fe75d21172d1fc3af070e3bcfe461a9d3cdd1841

              SHA256

              5f18b4d1acc033aad2ad7bc462b66a91ec6bc9ae63d117731a4f94dcdd7ee9b3

              SHA512

              e6b4cf38d75047bc81498c2bb00321c233bad41a2acb866454569d4d2594cae98d24e539f03a80b8a3bc9f784cec51290adda5bfbc89280a9685ca59b981cc8f

            • C:\Users\Admin\AppData\Local\Temp\tbdzlruatigycqtmmlxgdqoipseejsanlf

              Filesize

              2B

              MD5

              f3b25701fe362ec84616a93a45ce9998

              SHA1

              d62636d8caec13f04e28442a0a6fa1afeb024bbb

              SHA256

              b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

              SHA512

              98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

            • C:\Users\Admin\AppData\Local\Temp\tmp7417.tmp

              Filesize

              1KB

              MD5

              c37b28dc826438226e34414bedb49420

              SHA1

              f651e6045dcf33867e68dc5d8c96160619ecc854

              SHA256

              e2cb55e44468c00d824f335c322c3c0953b817ac9b14a4c1a4c8fa9413d140c2

              SHA512

              b033a9f89626b1cd746c809261653f4723415ff8c818383b30b92ec1fbd60df84936259b40a5ecdd1da0c34b73f4b6e38e23df4d1bb7bfb348b42392bd789490

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3LMEBJDMSNL5ZK4E1OE5.temp

              Filesize

              7KB

              MD5

              8c8ddb4e9bf13090c3fd133b057fd6f4

              SHA1

              64e931d6d9bdf07908947f82a937c012024725e0

              SHA256

              8a8dd9afd446d6a4ae037dedef0ab62866b9d591a1af0b2377e92fb4c49b12e5

              SHA512

              7f1ba91e2db1bf96e547a7b5fda41c557d16cdf027a474d7413e4aca3a043b3cea84627e7b582019b48acb51ca39b7d3755ffb516a03c908def0e82abeb02f4b

            • memory/952-59-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/952-57-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/952-58-0x0000000000400000-0x0000000000424000-memory.dmp

              Filesize

              144KB

            • memory/1196-54-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/1196-60-0x0000000000400000-0x0000000000462000-memory.dmp

              Filesize

              392KB

            • memory/1196-61-0x0000000000400000-0x0000000000462000-memory.dmp

              Filesize

              392KB

            • memory/1196-55-0x0000000000400000-0x0000000000462000-memory.dmp

              Filesize

              392KB

            • memory/1288-4-0x000000007401E000-0x000000007401F000-memory.dmp

              Filesize

              4KB

            • memory/1288-42-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1288-0-0x000000007401E000-0x000000007401F000-memory.dmp

              Filesize

              4KB

            • memory/1288-6-0x0000000004FC0000-0x0000000005080000-memory.dmp

              Filesize

              768KB

            • memory/1288-5-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1288-3-0x0000000000620000-0x0000000000638000-memory.dmp

              Filesize

              96KB

            • memory/1288-2-0x0000000074010000-0x00000000746FE000-memory.dmp

              Filesize

              6.9MB

            • memory/1288-1-0x0000000000020000-0x0000000000150000-memory.dmp

              Filesize

              1.2MB

            • memory/1456-38-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-33-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-25-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-19-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-43-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-44-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-45-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-46-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-47-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-49-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-99-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-98-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-91-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-90-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-29-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-41-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-31-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-27-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/1456-37-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-36-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-21-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-68-0x0000000010000000-0x0000000010019000-memory.dmp

              Filesize

              100KB

            • memory/1456-72-0x0000000010000000-0x0000000010019000-memory.dmp

              Filesize

              100KB

            • memory/1456-71-0x0000000010000000-0x0000000010019000-memory.dmp

              Filesize

              100KB

            • memory/1456-73-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-74-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-75-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-23-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-82-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/1456-83-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2732-50-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2732-51-0x0000000000400000-0x0000000000478000-memory.dmp

              Filesize

              480KB

            • memory/2732-53-0x0000000000400000-0x0000000000478000-memory.dmp

              Filesize

              480KB

            • memory/2732-52-0x0000000000400000-0x0000000000478000-memory.dmp

              Filesize

              480KB