Analysis

  • max time kernel
    149s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 07:46

General

  • Target
    maybe-protected.exe
  • Size 1001KB
  • Sample240420-jmdynsce4v
  • SHA256 fc1b2c9e8e203602a211e743b346018f63a4e08cea3d8b3c47ef5aada058b6af
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • Checks computer location settings 2 TTPs 8 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 8 IoCs

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

  • Runs ping.exe 1 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
    "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
      2⤵
      • Creates scheduled task(s)
      PID:2892
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SGO2s3dmEB0s.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
          PID:3728
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 10 localhost
          3⤵
          • Runs ping.exe
          PID:4784
        • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
          "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
          3⤵
          • Checks computer location settings
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2304
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
            4⤵
            • Creates scheduled task(s)
            PID:988
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\b2YR7XZSe9xe.bat" "
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4456
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              5⤵
                PID:2572
              • C:\Windows\SysWOW64\PING.EXE
                ping -n 10 localhost
                5⤵
                • Runs ping.exe
                PID:5116
              • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                5⤵
                • Checks computer location settings
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                PID:4000
                • C:\Windows\SysWOW64\schtasks.exe
                  "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                  6⤵
                  • Creates scheduled task(s)
                  PID:4552
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\esGbcPLuIOus.bat" "
                  6⤵
                  • Suspicious use of WriteProcessMemory
                  PID:392
                  • C:\Windows\SysWOW64\chcp.com
                    chcp 65001
                    7⤵
                      PID:844
                    • C:\Windows\SysWOW64\PING.EXE
                      ping -n 10 localhost
                      7⤵
                      • Runs ping.exe
                      PID:4752
                    • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                      "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                      7⤵
                      • Checks computer location settings
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of WriteProcessMemory
                      PID:3128
                      • C:\Windows\SysWOW64\schtasks.exe
                        "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                        8⤵
                        • Creates scheduled task(s)
                        PID:4756
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\lVx1C29QuLCb.bat" "
                        8⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1816
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          9⤵
                            PID:3728
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            9⤵
                            • Runs ping.exe
                            PID:4940
                          • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                            "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                            9⤵
                            • Checks computer location settings
                            • Suspicious use of AdjustPrivilegeToken
                            • Suspicious use of WriteProcessMemory
                            PID:4280
                            • C:\Windows\SysWOW64\schtasks.exe
                              "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                              10⤵
                              • Creates scheduled task(s)
                              PID:4028
                            • C:\Windows\SysWOW64\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\R2efi3cYYjqC.bat" "
                              10⤵
                                PID:4336
                                • C:\Windows\SysWOW64\chcp.com
                                  chcp 65001
                                  11⤵
                                    PID:2316
                                  • C:\Windows\SysWOW64\PING.EXE
                                    ping -n 10 localhost
                                    11⤵
                                    • Runs ping.exe
                                    PID:1624
                                  • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                                    "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                                    11⤵
                                    • Checks computer location settings
                                    • Suspicious use of AdjustPrivilegeToken
                                    PID:4996
                                    • C:\Windows\SysWOW64\schtasks.exe
                                      "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                                      12⤵
                                      • Creates scheduled task(s)
                                      PID:4764
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2eDrQzSa0IQ7.bat" "
                                      12⤵
                                        PID:512
                                        • C:\Windows\SysWOW64\chcp.com
                                          chcp 65001
                                          13⤵
                                            PID:5064
                                          • C:\Windows\SysWOW64\PING.EXE
                                            ping -n 10 localhost
                                            13⤵
                                            • Runs ping.exe
                                            PID:4128
                                          • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                                            "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                                            13⤵
                                            • Checks computer location settings
                                            • Suspicious use of AdjustPrivilegeToken
                                            PID:388
                                            • C:\Windows\SysWOW64\schtasks.exe
                                              "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                                              14⤵
                                              • Creates scheduled task(s)
                                              PID:4436
                                            • C:\Windows\SysWOW64\cmd.exe
                                              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ww9jZ9IJvx5d.bat" "
                                              14⤵
                                                PID:1900
                                                • C:\Windows\SysWOW64\chcp.com
                                                  chcp 65001
                                                  15⤵
                                                    PID:2204
                                                  • C:\Windows\SysWOW64\PING.EXE
                                                    ping -n 10 localhost
                                                    15⤵
                                                    • Runs ping.exe
                                                    PID:1972
                                                  • C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe
                                                    "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe"
                                                    15⤵
                                                    • Checks computer location settings
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    PID:4100
                                                    • C:\Windows\SysWOW64\schtasks.exe
                                                      "schtasks" /create /tn "WindowsAudioHelper" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\maybe-protected.exe" /rl HIGHEST /f
                                                      16⤵
                                                      • Creates scheduled task(s)
                                                      PID:396
                                                    • C:\Windows\SysWOW64\cmd.exe
                                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Ns2vKsGp2x07.bat" "
                                                      16⤵
                                                        PID:3552
                                                        • C:\Windows\SysWOW64\chcp.com
                                                          chcp 65001
                                                          17⤵
                                                            PID:924
                                                          • C:\Windows\SysWOW64\PING.EXE
                                                            ping -n 10 localhost
                                                            17⤵
                                                            • Runs ping.exe
                                                            PID:3172
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3760 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
                            1⤵
                              PID:2932

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  maybe-protected.exe.log

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\maybe-protected.exe.log
                                  • Size 1KB
                                  • SHA256 f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928
                                  • MD5 SHA1 SHA512

                                  2eDrQzSa0IQ7.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\2eDrQzSa0IQ7.bat
                                  • Size 212B
                                  • SHA256 4321edc49c12a1f60594b94013513f46813ba1812b629cc5daba7fe087fa34e1
                                  • MD5 SHA1 SHA512

                                  Ns2vKsGp2x07.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\Ns2vKsGp2x07.bat
                                  • Size 212B
                                  • SHA256 ab1a547d114ac6b0d36c5eddf791349317a3ec305f61816f75fb5df5bb8f7bd6
                                  • MD5 SHA1 SHA512

                                  R2efi3cYYjqC.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\R2efi3cYYjqC.bat
                                  • Size 212B
                                  • SHA256 bc186e884de6c2c5e1a9b4fa13b9abce174203e8ebd7546dd370ab4d777af7ad
                                  • MD5 SHA1 SHA512

                                  SGO2s3dmEB0s.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\SGO2s3dmEB0s.bat
                                  • Size 212B
                                  • SHA256 f885466d9d5f9b8fc784624a8cda9789e6124cef285ceb9048f2955a988ad5c3
                                  • MD5 SHA1 SHA512

                                  b2YR7XZSe9xe.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\b2YR7XZSe9xe.bat
                                  • Size 212B
                                  • SHA256 61a9773b6ff682f0425b348aefb5cb34737f6418a77dceaa556e9fce45aecae6
                                  • MD5 SHA1 SHA512

                                  esGbcPLuIOus.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\esGbcPLuIOus.bat
                                  • Size 212B
                                  • SHA256 ef4c17667774db718cf68ed2cba37f82fcf017494f7158c61b1a6542c3d97795
                                  • MD5 SHA1 SHA512

                                  lVx1C29QuLCb.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\lVx1C29QuLCb.bat
                                  • Size 212B
                                  • SHA256 0d35153566a2e53183ef02b1ad96e2d0c64ff0677b75448d1f536c07810ca4d0
                                  • MD5 SHA1 SHA512

                                  ww9jZ9IJvx5d.bat

                                  • Path C:\Users\Admin\AppData\Local\Temp\ww9jZ9IJvx5d.bat
                                  • Size 212B
                                  • SHA256 03f765b371324fb88b6a6142ea6826285bdd18b88168f9277e8c1a6c0565b905
                                  • MD5 SHA1 SHA512

                                  memory/388-57-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/388-52-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/388-53-0x0000000005810000-0x0000000005820000-memory.dmp

                                  memory/412-15-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/412-3-0x0000000004DC0000-0x0000000004E52000-memory.dmp

                                  memory/412-2-0x00000000052D0000-0x0000000005874000-memory.dmp

                                  memory/412-8-0x0000000006180000-0x00000000061BC000-memory.dmp

                                  memory/412-4-0x0000000004C90000-0x0000000004CA0000-memory.dmp

                                  memory/412-1-0x0000000000230000-0x0000000000330000-memory.dmp

                                  memory/412-5-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/412-7-0x0000000005D40000-0x0000000005D52000-memory.dmp

                                  memory/412-0-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/412-6-0x0000000005160000-0x00000000051C6000-memory.dmp

                                  memory/412-10-0x0000000004C90000-0x0000000004CA0000-memory.dmp

                                  memory/2304-17-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/2304-22-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/2304-18-0x0000000005170000-0x0000000005180000-memory.dmp

                                  memory/3128-36-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/3128-32-0x0000000005160000-0x0000000005170000-memory.dmp

                                  memory/3128-31-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4000-25-0x0000000003460000-0x0000000003470000-memory.dmp

                                  memory/4000-29-0x0000000074C10000-0x00000000753C0000-memory.dmp

                                  memory/4000-24-0x0000000074C10000-0x00000000753C0000-memory.dmp

                                  memory/4100-59-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4100-60-0x0000000005960000-0x0000000005970000-memory.dmp

                                  memory/4100-65-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4280-38-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4280-44-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4280-39-0x0000000005800000-0x0000000005810000-memory.dmp

                                  memory/4996-46-0x00000000051C0000-0x00000000051D0000-memory.dmp

                                  memory/4996-50-0x0000000074C20000-0x00000000753D0000-memory.dmp

                                  memory/4996-45-0x0000000074C20000-0x00000000753D0000-memory.dmp