Analysis

  • max time kernel
    38s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 07:01

General

  • Target
    8b810203555e70aa85c681e25b8c0e34317f70a616a78414a5361c4b6ab74e66.exe
  • Size 1.1MB
  • Sample240612-htq15stdmc
  • SHA256 8b810203555e70aa85c681e25b8c0e34317f70a616a78414a5361c4b6ab74e66
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 10 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b810203555e70aa85c681e25b8c0e34317f70a616a78414a5361c4b6ab74e66.exe
    "C:\Users\Admin\AppData\Local\Temp\8b810203555e70aa85c681e25b8c0e34317f70a616a78414a5361c4b6ab74e66.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2428
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2620
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1488
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
        PID:2928
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
        2⤵
          PID:4704
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          2⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3816
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            3⤵
            • Deletes itself
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            PID:4772
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          2⤵
            PID:3852
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
            2⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:1376
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4460
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
            2⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:748
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:3288
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
            2⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:5012
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:4820
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
            2⤵
            • Checks computer location settings
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:1008
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetWindowsHookEx
              PID:2200
            • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
              3⤵
              • Checks computer location settings
              • Executes dropped EXE
              • Modifies registry class
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:2100
              • C:\Windows\SysWOW64\WScript.exe
                "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                4⤵
                • Checks computer location settings
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:2136
                • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                  "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                  5⤵
                  • Checks computer location settings
                  • Executes dropped EXE
                  • Modifies registry class
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:1164
                  • C:\Windows\SysWOW64\WScript.exe
                    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                    6⤵
                      PID:1256
                      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                        7⤵
                          PID:1004
                      • C:\Windows\SysWOW64\WScript.exe
                        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                        6⤵
                          PID:1924
                          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                            7⤵
                              PID:1420
                          • C:\Windows\SysWOW64\WScript.exe
                            "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                            6⤵
                              PID:1116
                              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                                7⤵
                                  PID:4468
                    • 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=4076 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
                      1⤵
                        PID:1216

                      Network

                            MITRE ATT&CK Enterprise v15

                            Replay Monitor

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                            Downloads

                            Config.ini

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
                            • Size 92B
                            • SHA256 44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d
                            • MD5 SHA1 SHA512

                            VBS3.vbs

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
                            • Size 753B
                            • SHA256 32438b3120ce8f338b58c837c1efae33ea7c3fd173a829d69727756ceaa13de6
                            • MD5 SHA1 SHA512

                            VBS3.vbs

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
                            • Size 696B
                            • SHA256 ca7cfd972b03d0b30404c8233125adda1dacc81a2e43e919d70bf1c2700af55b
                            • MD5 SHA1 SHA512

                            VBS3.vbs

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
                            • Size 696B
                            • SHA256 58391f462883b293fdb398c52afb015698a4aa455fde921d706159ccccc6375f
                            • MD5 SHA1 SHA512

                            svchcst.exe

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                            • Size 1.1MB
                            • SHA256 e4b4965b949813f2e64edf43c1c3401146962fc4b5fe405eda2b7846f9d1d667
                            • MD5 SHA1 SHA512 SSDEEP

                            svchcst.exe

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                            • Size 1.1MB
                            • SHA256 c9c81d816e8c00e09706bc70f4339764d3c0f3676c7ba2b61f0cfb8b52642464
                            • MD5 SHA1 SHA512 SSDEEP

                            svchcst.exe

                            • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                            • Size 1.1MB
                            • SHA256 27067ee0ef4be9fd2c5e40c95c3461e8155c68334acdd55c16889bacf18162b7
                            • MD5 SHA1 SHA512 SSDEEP

                            memory/2428-4-0x0000000000400000-0x0000000000551000-memory.dmp

                            memory/2428-25-0x0000000000400000-0x0000000000551000-memory.dmp