Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 21:29

General

  • Target
    fc1efdb7a3b96c1c7b57613f874bc5351cf058713ef72be506fbab40bd4a3ce5.exe
  • Size 1.1MB
  • Sample240606-1b7v2sdd54
  • SHA256 fc1efdb7a3b96c1c7b57613f874bc5351cf058713ef72be506fbab40bd4a3ce5
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 15 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 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 18 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc1efdb7a3b96c1c7b57613f874bc5351cf058713ef72be506fbab40bd4a3ce5.exe
    "C:\Users\Admin\AppData\Local\Temp\fc1efdb7a3b96c1c7b57613f874bc5351cf058713ef72be506fbab40bd4a3ce5.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4328
    • 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:4380
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4984
        • 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:1352
          • 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:1236
            • C:\Windows\SysWOW64\WScript.exe
              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
              6⤵
              • Checks computer location settings
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:844
              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                7⤵
                • Checks computer location settings
                • Executes dropped EXE
                • Modifies registry class
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:3648
                • C:\Windows\SysWOW64\WScript.exe
                  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                  8⤵
                  • Checks computer location settings
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:3732
                  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                    "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                    9⤵
                    • Checks computer location settings
                    • Executes dropped EXE
                    • Modifies registry class
                    • Suspicious use of SetWindowsHookEx
                    • Suspicious use of WriteProcessMemory
                    PID:532
                    • C:\Windows\SysWOW64\WScript.exe
                      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                      10⤵
                      • Checks computer location settings
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:2900
                      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                        11⤵
                        • Checks computer location settings
                        • Executes dropped EXE
                        • Modifies registry class
                        • Suspicious use of SetWindowsHookEx
                        • Suspicious use of WriteProcessMemory
                        PID:4272
                        • C:\Windows\SysWOW64\WScript.exe
                          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                          12⤵
                          • Checks computer location settings
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1256
                          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                            13⤵
                            • Checks computer location settings
                            • Executes dropped EXE
                            • Modifies registry class
                            • Suspicious use of SetWindowsHookEx
                            • Suspicious use of WriteProcessMemory
                            PID:4280
                            • C:\Windows\SysWOW64\WScript.exe
                              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                              14⤵
                              • Checks computer location settings
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:3540
                              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                                15⤵
                                • Executes dropped EXE
                                • Suspicious use of SetWindowsHookEx
                                PID:1364
                            • C:\Windows\SysWOW64\WScript.exe
                              "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
                              14⤵
                              • Checks computer location settings
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:2716
                              • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
                                "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
                                15⤵
                                • Executes dropped EXE
                                • Suspicious use of SetWindowsHookEx
                                PID:4060

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 0d005943e84cc69be85bd65f647db69afb666b534aa720ce76ef81e28c919103
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 3eb2bfca11e83ada63c9e426764e07267c058964f959ca5e0c3f0f8933e40026
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 004b640ccc72e36c16e85661847b12fff228d63de834042accadde333aa33e36
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 370d3f0009b4f5179e917aaf335aa8267dd7e03688f0fff18f72d7d7af43d55f
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 04a5abb92c689fa7b9d768a067b1d9bd16c0a5d856c67c7f7881d62662ae0911
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 205412cd3d890bd070295ebf41e4a831de855a2b755c1a583b4dd2df66d5bc81
        • MD5 SHA1 SHA512

        VBS3.vbs

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
        • Size 696B
        • SHA256 7bf3fbb9962c054e651caf4e49fa468d5892cb0bf88f4bbf3fd85b372a7d173c
        • MD5 SHA1 SHA512

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 eac2234fca1a5ee21e7de23f84bbaf190a12ab508a6c12f38b0b0dde7b4469e9
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 a651082bc8c5ae9bbb4d416e56ed7705d58dfd125754e766695446f6900351bc
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 2e6ec45bd204cfee32ee16679350fbcda29b9c07a5a6a040d8c9406ef92b480d
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 d3b4dbed9ef2be87fbeaf6f79c63db4af5cca1ca8a3123c9c654d6b998013d8f
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 23fbc1e59348c26f7b57affae6911d6f5cf197ad5d46750ef2fedfb000b46c55
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 e928580c2fb2a00e8f184033be1f0e5c48709bc3df573a17528b3e8d395fa814
        • MD5 SHA1 SHA512 SSDEEP

        svchcst.exe

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        • Size 1.1MB
        • SHA256 94f742be6a7b79c0c418e00d9de477db271f8c63656e9464b11b0d26b364fad7
        • MD5 SHA1 SHA512 SSDEEP

        memory/532-55-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/1236-25-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/1236-33-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/1364-83-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/3648-44-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4060-81-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4060-82-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4272-65-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4280-77-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4328-0-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4328-9-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4984-21-0x0000000000400000-0x000000000055F000-memory.dmp

        memory/4984-12-0x0000000000400000-0x000000000055F000-memory.dmp