Analysis

  • max time kernel
    150s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/06/2024, 00:26

General

  • Target
    Towers (Paid).exe
  • Size 20.1MB
  • Sample240619-arm8gazemb
  • SHA256 34d8469a325db034742a082299caef8a82f2e0e18e6988fdaf15efea34f9ef6f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 31 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Detects Pyinstaller 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of FindShellTrayWindow 53 IoCs
  • Suspicious use of SendNotifyMessage 52 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Towers (Paid).exe
    "C:\Users\Admin\AppData\Local\Temp\Towers (Paid).exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4232
    • \??\c:\users\admin\appdata\local\temp\towers (paid).exe 
      "c:\users\admin\appdata\local\temp\towers (paid).exe "
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3204
      • \??\c:\users\admin\appdata\local\temp\towers (paid).exe 
        "c:\users\admin\appdata\local\temp\towers (paid).exe "
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3180
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c "ver"
          4⤵
            PID:4484
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c
            4⤵
              PID:4928
            • C:\Windows\System32\Wbem\wmic.exe
              wmic csproduct get uuid
              4⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:2356
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c cls
              4⤵
                PID:5036
          • C:\Windows\Resources\Themes\icsys.icn.exe
            C:\Windows\Resources\Themes\icsys.icn.exe
            2⤵
            • Executes dropped EXE
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:2416
            • \??\c:\windows\resources\themes\explorer.exe
              c:\windows\resources\themes\explorer.exe
              3⤵
              • Modifies visiblity of hidden/system files in Explorer
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in System32 directory
              • Drops file in Windows directory
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              PID:1864
              • \??\c:\windows\resources\spoolsv.exe
                c:\windows\resources\spoolsv.exe SE
                4⤵
                • Executes dropped EXE
                • Drops file in Windows directory
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:3944
                • \??\c:\windows\resources\svchost.exe
                  c:\windows\resources\svchost.exe
                  5⤵
                  • Modifies visiblity of hidden/system files in Explorer
                  • Executes dropped EXE
                  • Adds Run key to start application
                  • Drops file in System32 directory
                  • Suspicious behavior: GetForegroundWindowSpam
                  • Suspicious use of SetWindowsHookEx
                  • Suspicious use of WriteProcessMemory
                  PID:2676
                  • \??\c:\windows\resources\spoolsv.exe
                    c:\windows\resources\spoolsv.exe PR
                    6⤵
                    • Executes dropped EXE
                    • Suspicious use of SetWindowsHookEx
                    PID:3052
        • C:\Windows\system32\taskmgr.exe
          "C:\Windows\system32\taskmgr.exe" /7
          1⤵
          • Checks SCSI registry key(s)
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:2124
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:1280
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --default-search-provider=? --out-pipe-name=MSEdgeDefault445c50e9hee2ch4633h9df6h11f161a5a6d0
            1⤵
            • Suspicious use of WriteProcessMemory
            PID:1940
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x120,0x124,0x128,0xfc,0x12c,0x7ffc3bba46f8,0x7ffc3bba4708,0x7ffc3bba4718
              2⤵
                PID:4604
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1788,15889987451400041709,18049542054072408275,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2000 /prefetch:2
                2⤵
                  PID:5332
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1788,15889987451400041709,18049542054072408275,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
                  2⤵
                    PID:5340
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1788,15889987451400041709,18049542054072408275,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2932 /prefetch:8
                    2⤵
                      PID:5404
                  • C:\Windows\System32\CompPkgSrv.exe
                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                    1⤵
                      PID:5628
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:5700
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DisplayEnhancementService
                        1⤵
                          PID:5816

                        Network

                              MITRE ATT&CK Enterprise v15

                              Replay Monitor

                              Loading Replay Monitor...

                              Downloads

                              settings.dat

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                              • Size 152B
                              • SHA256 9d8e24c91cff338e56b518a533cb2e49a2803356bbf6e04892fb168a7ce2844a
                              • MD5 SHA1 SHA512

                              Preferences

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                              • Size 5KB
                              • SHA256 57106f7139521093d5a6e8335d858c77b3f4bc55583698bd92381d1664271f23
                              • MD5 SHA1 SHA512 SSDEEP

                              Local State

                              • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                              • Size 8KB
                              • SHA256 9b05e0d0fd5d5956a4fe5f4a42a0d06eb88ffe71c3d053a8d7ff054c4b2d7e00
                              • MD5 SHA1 SHA512 SSDEEP

                              MSVCP140.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\MSVCP140.dll
                              • Size 558KB
                              • SHA256 a88b8c1c8f27bf90fe960e0e8bd56984ad48167071af92d96ec1051f89f827fb
                              • MD5 SHA1 SHA512 SSDEEP

                              VCRUNTIME140.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\VCRUNTIME140.dll
                              • Size 96KB
                              • SHA256 d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8
                              • MD5 SHA1 SHA512 SSDEEP

                              VCRUNTIME140_1.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\VCRUNTIME140_1.dll
                              • Size 36KB
                              • SHA256 0579d460ea1f7e8a815fa55a8821a5ff489c8097f051765e9beaf25d8d0f27d6
                              • MD5 SHA1 SHA512 SSDEEP

                              _brotli.cp310-win_amd64.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_brotli.cp310-win_amd64.pyd
                              • Size 861KB
                              • SHA256 58bacb135729a70102356c2d110651f1735bf40a602858941e13bdeabfacab4a
                              • MD5 SHA1 SHA512 SSDEEP

                              _bz2.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_bz2.pyd
                              • Size 81KB
                              • SHA256 f178e29921c04fb68cc08b1e5d1181e5df8ce1de38a968778e27990f4a69973c
                              • MD5 SHA1 SHA512 SSDEEP

                              _cffi_backend.cp310-win_amd64.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_cffi_backend.cp310-win_amd64.pyd
                              • Size 177KB
                              • SHA256 2093e7e4f5359b38f0819bdef8314fda332a1427f22e09afc416e1edd5910fe1
                              • MD5 SHA1 SHA512 SSDEEP

                              _ctypes.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_ctypes.pyd
                              • Size 119KB
                              • SHA256 92d7954d9099762d81c1ae2836c11b6ba58c1883fde8eeefe387cc93f2f6afb4
                              • MD5 SHA1 SHA512 SSDEEP

                              _hashlib.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_hashlib.pyd
                              • Size 60KB
                              • SHA256 1be5cfd06a782b2ae8e4629d9d035cbc487074e8f63b9773c85e317be29c0430
                              • MD5 SHA1 SHA512 SSDEEP

                              _lzma.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_lzma.pyd
                              • Size 154KB
                              • SHA256 80a6ebe46f43ffa93bbdbfc83e67d6f44a44055de1439b06e4dd2983cb243df6
                              • MD5 SHA1 SHA512 SSDEEP

                              _queue.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_queue.pyd
                              • Size 29KB
                              • SHA256 09c5faf270fd63bde6c45cc53b05160262c7ca47d4c37825ed3e15d479daee66
                              • MD5 SHA1 SHA512 SSDEEP

                              _socket.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_socket.pyd
                              • Size 75KB
                              • SHA256 8046bf64e463d5aa38d13525891156131cf997c2e6cdf47527bc352f00f5c90a
                              • MD5 SHA1 SHA512 SSDEEP

                              _ssl.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\_ssl.pyd
                              • Size 155KB
                              • SHA256 58b772b53bfe898513c0eb264ae4fa47ed3d8f256bc8f70202356d20f9ecb6dc
                              • MD5 SHA1 SHA512 SSDEEP

                              base_library.zip

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\base_library.zip
                              • Size 1.0MB
                              • SHA256 3102319bc708e22941ba9c55ce38c3a2c26de0138fd63aa64b06c7f0b0120515
                              • MD5 SHA1 SHA512 SSDEEP

                              _openssl.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\cryptography\hazmat\bindings\_openssl.pyd
                              • Size 3.8MB
                              • SHA256 ef97e76d44a88f7c6b3fff9bee09ef265e709694d3662730edf38670442f69e7
                              • MD5 SHA1 SHA512 SSDEEP

                              libcrypto-1_1.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\libcrypto-1_1.dll
                              • Size 3.3MB
                              • SHA256 9c0a0a11629cced6a064932e95a0158ee936739d75a56338702fed97cb0bad55
                              • MD5 SHA1 SHA512 SSDEEP

                              libffi-7.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\libffi-7.dll
                              • Size 32KB
                              • SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
                              • MD5 SHA1 SHA512 SSDEEP

                              libssl-1_1.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\libssl-1_1.dll
                              • Size 682KB
                              • SHA256 ed1c8769f5096afd000fc730a37b11177fcf90890345071ab7fbceac684d571f
                              • MD5 SHA1 SHA512 SSDEEP

                              pyexpat.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\pyexpat.pyd
                              • Size 193KB
                              • SHA256 dbe6e7be3a7418811bd5987b0766d8d660190d867cd42f8ed79e70d868e8aa43
                              • MD5 SHA1 SHA512 SSDEEP

                              python3.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\python3.dll
                              • Size 63KB
                              • SHA256 5d78cd1365ea9ae4e95872576cfa4055342f1e80b06f3051cf91d564b6cd09f5
                              • MD5 SHA1 SHA512 SSDEEP

                              python310.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\python310.dll
                              • Size 4.3MB
                              • SHA256 058925e4bbfcb460a3c00ec824b8390583baef0c780a7c7ff01d43d9eec45f20
                              • MD5 SHA1 SHA512 SSDEEP

                              pythoncom310.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\pywin32_system32\pythoncom310.dll
                              • Size 674KB
                              • SHA256 568982769735d04d7cc4bdd5c7b2b85ec0880230b36267ce14114639307b7bca
                              • MD5 SHA1 SHA512 SSDEEP

                              pywintypes310.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\pywin32_system32\pywintypes310.dll
                              • Size 134KB
                              • SHA256 2984df073a029acf46bcaed4aa868c509c5129555ed70cac0fe2235abdba6e6d
                              • MD5 SHA1 SHA512 SSDEEP

                              select.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\select.pyd
                              • Size 28KB
                              • SHA256 68b80009ab656ffe811d680585fac3d4f9c1b45f29d48c67ea2b3580ec4d86a1
                              • MD5 SHA1 SHA512 SSDEEP

                              ucrtbase.dll

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\ucrtbase.dll
                              • Size 1011KB
                              • SHA256 83e7252e6af0e63bd80bc996eed6cb687c36b94f20a55a16145d5e68076b1587
                              • MD5 SHA1 SHA512 SSDEEP

                              unicodedata.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\unicodedata.pyd
                              • Size 1.1MB
                              • SHA256 2cf6c5dea30bb0584991b2065c052c22d258b6e15384447dcea193fdcac5f758
                              • MD5 SHA1 SHA512 SSDEEP

                              win32api.pyd

                              • Path C:\Users\Admin\AppData\Local\Temp\_MEI32042\win32api.pyd
                              • Size 136KB
                              • SHA256 7ab0d714e44093649551623b93cc2aea4b30915adcb114bc1b75c548c3135b59
                              • MD5 SHA1 SHA512 SSDEEP

                              towers (paid).exe 

                              • Path C:\Users\Admin\AppData\Local\Temp\towers (paid).exe 
                              • Size 20.0MB
                              • SHA256 eb0977c478c7afe1086e14cf514706594d2501dcfcb1239cf0f5ff97ea589409
                              • MD5 SHA1 SHA512 SSDEEP

                              explorer.exe

                              • Path C:\Windows\Resources\Themes\explorer.exe
                              • Size 135KB
                              • SHA256 02cbf5fc873fbe1b248bc3fd20d6e991ca2ac498fc7f67a04f91fbb1b764dcb8
                              • MD5 SHA1 SHA512 SSDEEP

                              icsys.icn.exe

                              • Path C:\Windows\Resources\Themes\icsys.icn.exe
                              • Size 135KB
                              • SHA256 6d10f4f1764022997a23b74dd149815f9afa3f884beca1d09636275d57022999
                              • MD5 SHA1 SHA512 SSDEEP

                              spoolsv.exe

                              • Path C:\Windows\Resources\spoolsv.exe
                              • Size 135KB
                              • SHA256 2e23760629d8d974f35605aa2f31aff52ee713af142e9bed42bc4ce6d751caf4
                              • MD5 SHA1 SHA512 SSDEEP

                              svchost.exe

                              • Path C:\Windows\Resources\svchost.exe
                              • Size 135KB
                              • SHA256 f7b03bfc3cecdbfc011df79bb10b3df824f91fe95a2112cf16fdfdb15be331db
                              • MD5 SHA1 SHA512 SSDEEP

                              memory/2124-217-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-216-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-211-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-205-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-207-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-206-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-212-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-213-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-215-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2124-214-0x000002363C720000-0x000002363C721000-memory.dmp

                              memory/2416-157-0x0000000000400000-0x000000000041F000-memory.dmp

                              memory/2676-103-0x0000000000400000-0x000000000041F000-memory.dmp

                              memory/3052-138-0x0000000000400000-0x000000000041F000-memory.dmp

                              memory/3944-146-0x0000000000400000-0x000000000041F000-memory.dmp

                              memory/4232-158-0x0000000000400000-0x000000000041F000-memory.dmp

                              memory/4232-0-0x0000000000400000-0x000000000041F000-memory.dmp