Analysis

  • max time kernel
    1514s
  • max time network
    1509s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240319-en
  • resource tags

    arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    26/03/2024, 03:49

General

  • Target
    https://archive.org/download/MEMZ4.0Clean_20181103
  • Sample240326-ede26afe8w
Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 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://archive.org/download/MEMZ4.0Clean_20181103"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://archive.org/download/MEMZ4.0Clean_20181103
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:252
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.0.897950259\1797541836" -parentBuildID 20221007134813 -prefsHandle 1772 -prefMapHandle 1752 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {27158c75-303d-435a-aa28-a74ff4f7aaec} 252 "\\.\pipe\gecko-crash-server-pipe.252" 1852 151d21e5e58 gpu
        3⤵
          PID:4460
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.1.2147018520\1595595978" -parentBuildID 20221007134813 -prefsHandle 2224 -prefMapHandle 2220 -prefsLen 21563 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a81ef5fe-9dbd-4a5a-b678-5b6343be0888} 252 "\\.\pipe\gecko-crash-server-pipe.252" 2252 151d20ef258 socket
          3⤵
            PID:244
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.2.1372144745\1424031391" -childID 1 -isForBrowser -prefsHandle 2928 -prefMapHandle 2896 -prefsLen 21666 -prefMapSize 233444 -jsInitHandle 1052 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7991ceba-2e36-4057-84b7-72d19de8387e} 252 "\\.\pipe\gecko-crash-server-pipe.252" 2800 151d71bee58 tab
            3⤵
              PID:5700
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.3.1890877842\770881485" -childID 2 -isForBrowser -prefsHandle 3756 -prefMapHandle 3752 -prefsLen 26064 -prefMapSize 233444 -jsInitHandle 1052 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e55253cd-983e-4019-8df3-e7d80cc23554} 252 "\\.\pipe\gecko-crash-server-pipe.252" 3768 151d8895f58 tab
              3⤵
                PID:3048
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.4.1909939085\1455156728" -childID 3 -isForBrowser -prefsHandle 3800 -prefMapHandle 3932 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1052 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8e47977b-cb16-4b8f-9961-f9eed8f847c1} 252 "\\.\pipe\gecko-crash-server-pipe.252" 4768 151d98ae358 tab
                3⤵
                  PID:556
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.5.658769733\586408868" -childID 4 -isForBrowser -prefsHandle 4808 -prefMapHandle 4804 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1052 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c82faa02-e4f7-436d-b580-8a58c2ce01f8} 252 "\\.\pipe\gecko-crash-server-pipe.252" 4900 151d9bdfc58 tab
                  3⤵
                    PID:2208
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="252.6.1901903598\1752188339" -childID 5 -isForBrowser -prefsHandle 5300 -prefMapHandle 5296 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1052 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6f8e171e-e82a-4a8f-bb26-299e416a7fd5} 252 "\\.\pipe\gecko-crash-server-pipe.252" 5316 151da847d58 tab
                    3⤵
                      PID:2564

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      21302

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\cts8v6xx.default-release\cache2\doomed\21302
                      • Size 9KB
                      • SHA256 46c8071ffbf05eba6b59ad5eeca836b5a8b4a9d5337aaadc91cd811790fbde17
                      • MD5 SHA1 SHA512 SSDEEP

                      A72798DEF4F924983D5A0DB82D383C613B515FF2

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\cts8v6xx.default-release\cache2\entries\A72798DEF4F924983D5A0DB82D383C613B515FF2
                      • Size 13KB
                      • SHA256 1c86d2f54a60a0943e305ecae0ab35f03f02c80f49cc822627d0f705fada45c1
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                      • Size 442KB
                      • SHA256 a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon-1

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                      • Size 5.2MB
                      • SHA256 9cd23dd2562e201f761ed09b7c76ff98814f916ec193271da13f6c0a5fc3a826
                      • MD5 SHA1 SHA512 SSDEEP

                      6824f4a902c78fbd.customDestinations-ms

                      • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms
                      • Size 7KB
                      • SHA256 849c4a810749d54af463efa41268c89125cef0cd6699f8d491ee5b4207e60aaa
                      • MD5 SHA1 SHA512 SSDEEP

                      bookmarks-2024-03-26_11_zDIydbZctsQhv5GM+r4Tgw==.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\bookmarkbackups\bookmarks-2024-03-26_11_zDIydbZctsQhv5GM+r4Tgw==.jsonlz4
                      • Size 960B
                      • SHA256 885d86e38e9016083cb69e3dbcdd3c5d5cce07fa2d58554f4a3e791eff491989
                      • MD5 SHA1 SHA512

                      broadcast-listeners.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\broadcast-listeners.json
                      • Size 216B
                      • SHA256 f8d9de3f13948568a3d278b0e77cb95f7f4754bc52f1b1c529528e92980a4aef
                      • MD5 SHA1 SHA512

                      data.safe.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\datareporting\glean\db\data.safe.bin
                      • Size 9KB
                      • SHA256 6019a3a811dbeeaae935b815d8ae618237ff00625e3dc9446e05a12e02ec317b
                      • MD5 SHA1 SHA512 SSDEEP

                      a5d78413-2f57-4366-bced-c32aaf6c402c

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\datareporting\glean\pending_pings\a5d78413-2f57-4366-bced-c32aaf6c402c
                      • Size 734B
                      • SHA256 71098e2a19120f5dfc4e5ea96af1bf1a40a61598faf16d80fcf07dbf71489b79
                      • MD5 SHA1 SHA512

                      extensions.json.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\extensions.json.tmp
                      • Size 34KB
                      • SHA256 2c74e4b75eae4f3a68991c3527b117dcf0c1157afa0ca839297f380618677c54
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.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\cts8v6xx.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\cts8v6xx.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\cts8v6xx.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\cts8v6xx.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                      • Size 4.9MB
                      • SHA256 f06a05e91099b3f58438f2e8cab04ca085766a485fa53f3cff9abcb6b28ea246
                      • MD5 SHA1 SHA512 SSDEEP

                      widevinecdm.dll.lib

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.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\cts8v6xx.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\cts8v6xx.default-release\prefs-1.js
                      • Size 9KB
                      • SHA256 3c6ae5be8be180dd73a3dca14ee2eaa7acba7f9002dadbf50556cd570b06733b
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\prefs-1.js
                      • Size 10KB
                      • SHA256 dd82291929b2f1c5d7465a62b9e1441b42675df65ee259477bc41929e2e977da
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\prefs-1.js
                      • Size 7KB
                      • SHA256 d46189055b06fcd493756efc5d3f0dfef16419af89467f9f7c93c222f8732d90
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\prefs-1.js
                      • Size 10KB
                      • SHA256 2f411f641bdc94da6c49d887b2089ef3e863321eb3608970efb904fc42a938c5
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\prefs-1.js
                      • Size 9KB
                      • SHA256 476c3522fae512669e027f222ff8b4ffc72e0f5c72f8dee88e9cfa9c8a669a48
                      • MD5 SHA1 SHA512 SSDEEP

                      sessionCheckpoints.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\sessionCheckpoints.json
                      • Size 90B
                      • SHA256 00ad9799527c3fd21f3a85012565eae817490f3e0d417413bf9567bb5909f6a2
                      • MD5 SHA1 SHA512

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 4KB
                      • SHA256 d6a7ed2f539dfdbb0db3724e9500158e98b6d58a800969f377b0dd0be548341c
                      • MD5 SHA1 SHA512 SSDEEP

                      recovery.jsonlz4

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\sessionstore-backups\recovery.jsonlz4
                      • Size 4KB
                      • SHA256 7460cc054935335e35a3c3e3725680d41f63236057c899ae5f64ab7774f7bd25
                      • MD5 SHA1 SHA512 SSDEEP

                      targeting.snapshot.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\targeting.snapshot.json
                      • Size 3KB
                      • SHA256 5b2d25a2e0ee45f5bf829895e911dc693dd7357538852248d3c131ae85e87488
                      • MD5 SHA1 SHA512