Analysis

  • max time kernel
    885s
  • max time network
    838s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/03/2024, 03:56

General

  • Target
    https://s28667145.weebly.com/memz-download.html
  • Sample240326-ehgrjsff6v
Score
6/10

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Checks processor information in registry 2 TTPs 8 IoCs

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

  • Modifies registry class 1 IoCs
  • NTFS ADS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 23 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://s28667145.weebly.com/memz-download.html"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://s28667145.weebly.com/memz-download.html
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2848
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.0.1645162072\1692048201" -parentBuildID 20221007134813 -prefsHandle 1768 -prefMapHandle 1760 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {21f8518a-cb68-47c4-b2de-4c54c5371cfd} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 1860 1d6f22d3158 gpu
        3⤵
          PID:2220
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.1.1318051232\1008519064" -parentBuildID 20221007134813 -prefsHandle 2216 -prefMapHandle 2212 -prefsLen 21563 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2c0b2971-c5e2-4db0-85f2-1db7b1f9fe13} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 2248 1d6f2205f58 socket
          3⤵
          • Checks processor information in registry
          PID:5076
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.2.1322127747\1260248549" -childID 1 -isForBrowser -prefsHandle 3336 -prefMapHandle 3332 -prefsLen 21601 -prefMapSize 233444 -jsInitHandle 1276 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9722b0cb-2ace-42c0-ac33-adcad0830c5d} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 3348 1d6f225eb58 tab
          3⤵
            PID:3036
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.3.1987780173\943906635" -childID 2 -isForBrowser -prefsHandle 3708 -prefMapHandle 3704 -prefsLen 26064 -prefMapSize 233444 -jsInitHandle 1276 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {cfe5d615-4c67-4bb1-8bdd-f52be7acd93e} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 3720 1d6e6363858 tab
            3⤵
              PID:4772
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.4.1126571214\1621018592" -childID 3 -isForBrowser -prefsHandle 4948 -prefMapHandle 4928 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1276 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ae88335d-d428-4431-9fd1-39f64a0eba5f} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 4964 1d6fa90d058 tab
              3⤵
                PID:2896
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.5.2119849412\1767850175" -childID 4 -isForBrowser -prefsHandle 5220 -prefMapHandle 5196 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1276 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {59965183-580e-481d-b4dc-6b4c94cf4a6f} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 5236 1d6fa733b58 tab
                3⤵
                  PID:1580
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2848.6.1160702883\840005974" -childID 5 -isForBrowser -prefsHandle 5380 -prefMapHandle 5384 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1276 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2bf066d4-1bbd-4e9c-990d-aa90cf6924db} 2848 "\\.\pipe\gecko-crash-server-pipe.2848" 5372 1d6fa731758 tab
                  3⤵
                    PID:768
              • C:\Windows\System32\rundll32.exe
                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                1⤵
                  PID:1116
                • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(2).zip\MEMZ-master\MEMZ-Destructive.exe
                  "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(2).zip\MEMZ-master\MEMZ-Destructive.exe"
                  1⤵
                  • Suspicious use of SetWindowsHookEx
                  PID:3648
                • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master.zip\MEMZ-master\MEMZ-Destructive.exe
                  "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master.zip\MEMZ-master\MEMZ-Destructive.exe"
                  1⤵
                  • Suspicious use of SetWindowsHookEx
                  PID:3860
                • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                  "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe"
                  1⤵
                  • Suspicious use of SetWindowsHookEx
                  PID:1408
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /watchdog
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of SetWindowsHookEx
                    PID:3232
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /watchdog
                    2⤵
                    • Suspicious use of SetWindowsHookEx
                    PID:3844
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /watchdog
                    2⤵
                    • Suspicious use of SetWindowsHookEx
                    PID:868
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /watchdog
                    2⤵
                    • Suspicious use of SetWindowsHookEx
                    PID:3392
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /watchdog
                    2⤵
                    • Suspicious use of SetWindowsHookEx
                    PID:2444
                  • C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe
                    "C:\Users\Admin\AppData\Local\Temp\Temp1_memz-master(1).zip\MEMZ-master\MEMZ-Destructive.exe" /main
                    2⤵
                    • Writes to the Master Boot Record (MBR)
                    • Suspicious use of SetWindowsHookEx
                    PID:3924
                    • C:\Windows\SysWOW64\notepad.exe
                      "C:\Windows\System32\notepad.exe" \note.txt
                      3⤵
                        PID:5068

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        tmpaddon

                        • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                        • Size 192KB
                        • SHA256 2ae3b0c4fbcdb3a70eac5febfd9d62f337398ff3856c4e426b28909fc2123477
                        • MD5 SHA1 SHA512 SSDEEP

                        tmpaddon-1

                        • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                        • Size 8.0MB
                        • SHA256 345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
                        • MD5 SHA1 SHA512 SSDEEP

                        6824f4a902c78fbd.customDestinations-ms

                        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                        • Size 9KB
                        • SHA256 50536b77275d51df0dd2cf1c9d5b65ae26a8904e40db887f415dc79e94b74222
                        • MD5 SHA1 SHA512 SSDEEP

                        bookmarks-2024-03-26_11_-n8sRi0ABVGUJp96U4MVYw==.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\bookmarkbackups\bookmarks-2024-03-26_11_-n8sRi0ABVGUJp96U4MVYw==.jsonlz4
                        • Size 939B
                        • SHA256 5defaa774860089003b434626b95a55acfea9595300457ee3eb75173dcfca541
                        • MD5 SHA1 SHA512

                        broadcast-listeners.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\broadcast-listeners.json
                        • Size 204B
                        • SHA256 9cf589357fceea2f37cd1a925e5d33fd517a44d22a16c357f7fb5d4d187034aa
                        • MD5 SHA1 SHA512

                        data.safe.bin

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\datareporting\glean\db\data.safe.bin
                        • Size 9KB
                        • SHA256 96efcd3df64ede3305ef1c200b27cf06ce005e0d723186f26cd2a5c54c1ebabf
                        • MD5 SHA1 SHA512 SSDEEP

                        b0105ab4-50c8-49f6-a631-d3f97b37c440

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\datareporting\glean\pending_pings\b0105ab4-50c8-49f6-a631-d3f97b37c440
                        • Size 734B
                        • SHA256 f1939bc8391681240c7aba01d58b6d6aa2e043af00b99533005036496e7d9ea4
                        • MD5 SHA1 SHA512

                        gmpopenh264.dll

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
                        • Size 997KB
                        • SHA256 1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
                        • MD5 SHA1 SHA512 SSDEEP

                        gmpopenh264.info

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
                        • Size 116B
                        • SHA256 f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
                        • MD5 SHA1 SHA512

                        LICENSE.txt

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
                        • Size 479B
                        • SHA256 2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
                        • MD5 SHA1 SHA512

                        manifest.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
                        • Size 372B
                        • SHA256 e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
                        • MD5 SHA1 SHA512

                        widevinecdm.dll

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                        • Size 11.8MB
                        • SHA256 8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
                        • MD5 SHA1 SHA512 SSDEEP

                        widevinecdm.dll.lib

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
                        • Size 1KB
                        • SHA256 33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
                        • MD5 SHA1 SHA512

                        widevinecdm.dll.sig

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
                        • Size 1KB
                        • SHA256 68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
                        • MD5 SHA1 SHA512

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs-1.js
                        • Size 7KB
                        • SHA256 ed7873f5faac659823ae0e5165d4bca67d92936469eb205d6fa628dabd0550d2
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs-1.js
                        • Size 6KB
                        • SHA256 99af4f3fea62593f7ede5bfd6c69813ee1c4cbaafaf7adc15a1c35853c133621
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs-1.js
                        • Size 7KB
                        • SHA256 eff94b4585da6d1f96d0a76c96ce1c1020427aaaf2fb23c772b8f4929ce5ea07
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs-1.js
                        • Size 6KB
                        • SHA256 1f61c8a199a534dba533131965d8a2bdcbbed5fa1b740af67dc47dca27f1dbbd
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs.js
                        • Size 6KB
                        • SHA256 3ba0206c201780ccb8b9fc263b2ac8ccf6f5a8a3f00bb753117e2ade7e8d0d24
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs.js
                        • Size 6KB
                        • SHA256 aa0afa35956f960ff0b5ff54f616b2e823fb12ce9c8e1716faa6b48033a521eb
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\prefs.js
                        • Size 6KB
                        • SHA256 0fa15ba528c50a7e281627f7b34f7de579acb14201930b9e65f148a0f7d289f9
                        • MD5 SHA1 SHA512 SSDEEP

                        sessionCheckpoints.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\sessionCheckpoints.json
                        • Size 90B
                        • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
                        • MD5 SHA1 SHA512

                        recovery.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\sessionstore-backups\recovery.jsonlz4
                        • Size 1KB
                        • SHA256 a7d3f896fc088c725d740f8ea007becb027a03de329143c9f82661669100a3ab
                        • MD5 SHA1 SHA512

                        recovery.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\sessionstore-backups\recovery.jsonlz4
                        • Size 1KB
                        • SHA256 a368e57b58fdc7b7fcdccdb4bb9299ab36944c6b58ed78ee395b0eb1ffd9424c
                        • MD5 SHA1 SHA512

                        sessionstore.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\sessionstore.jsonlz4
                        • Size 848B
                        • SHA256 926d5f932a2d8fc2309ce04cd3816caee2b08bc7eacea35e26540a5c54b73fc2
                        • MD5 SHA1 SHA512

                        3870112724rsegmnoittet-es.sqlite

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite
                        • Size 184KB
                        • SHA256 b0df6aa1dc71e384fb27c7a545e5a3d240e9c3f82a3d1fd47255240a19b3000a
                        • MD5 SHA1 SHA512 SSDEEP

                        targeting.snapshot.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\er0iywxg.default-release\targeting.snapshot.json
                        • Size 3KB
                        • SHA256 c7c219cbbb8ed6cd43f126324c03cf186485c2bb7fc6d719f07faa380e6acc32
                        • MD5 SHA1 SHA512

                        memz-master.Fxw2aMp2.zip.part

                        • Path C:\Users\Admin\Downloads\memz-master.Fxw2aMp2.zip.part
                        • Size 17KB
                        • SHA256 319bf6087040d17b87f46cd05f5ee064c291ba9ca46e1910f28d1f4c57cb3d96
                        • MD5 SHA1 SHA512 SSDEEP

                        note.txt

                        • Path C:\note.txt
                        • Size 218B
                        • SHA256 8e9f20f6864c66576536c0b866c6ffdcf11397db67fe120e972e244c3c022270
                        • MD5 SHA1 SHA512