Resubmissions

27-03-2023 08:26

230327-kb3y4ace42 8

27-03-2023 08:01

230327-jwh9raed8z 8

Analysis

  • max time kernel
    600s
  • max time network
    580s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    27-03-2023 08:01

General

  • Target

    Screenshot-0.png

  • Size

    8KB

  • MD5

    4bba542309c181a5e18f267889b2f86e

  • SHA1

    283bc29a99725aa455b2d5a68565e0ab6a5ad951

  • SHA256

    2d4e531d0b6fdc8b5103bf4a4b34adbfca40251a68e513c6b168afb5a2370e44

  • SHA512

    4426114a0171a3add6c7d4b4c21a8ebc727096b14238b4b0aafb3c66b7c4edb24b886fa5fbecaa85f707963eadb0d135f57e2f24f6f90108d4d7580cf2b8888a

  • SSDEEP

    48:tb2222222222222222222222222222222222222222222222222222222222222X:qWWxx2TTYGZ3oNtSM

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 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:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Screenshot-0.png
    1⤵
      PID:3628
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
      1⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3700
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        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:2184
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.0.951577472\1165596744" -parentBuildID 20221007134813 -prefsHandle 1668 -prefMapHandle 1644 -prefsLen 20888 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6371bb5e-a257-4f6d-8b0a-80c007707614} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 1748 1b555b16b58 gpu
          3⤵
            PID:4200
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.1.817055481\1446283162" -parentBuildID 20221007134813 -prefsHandle 2092 -prefMapHandle 2088 -prefsLen 20969 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {065d9aef-d8f1-43cb-9f44-83ec1ef96fcc} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 2104 1b55490ee58 socket
            3⤵
              PID:3264
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.2.754130913\41391477" -childID 1 -isForBrowser -prefsHandle 2744 -prefMapHandle 2948 -prefsLen 21052 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {4a66a92a-1e82-402b-b8f0-6d1bebaeab64} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 2616 1b5587f3e58 tab
              3⤵
                PID:2656
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.3.1877712576\1530928058" -childID 2 -isForBrowser -prefsHandle 3484 -prefMapHandle 3480 -prefsLen 26562 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9f9812b1-c0ec-4ff0-bfae-d903363ca615} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 3524 1b557a64958 tab
                3⤵
                  PID:4500
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.4.737273928\564051069" -childID 3 -isForBrowser -prefsHandle 3704 -prefMapHandle 3692 -prefsLen 26562 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {952ecdec-d33c-44c0-a725-d66197b3e41b} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 3716 1b54925f558 tab
                  3⤵
                    PID:4968
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.7.1675945469\1976250962" -childID 6 -isForBrowser -prefsHandle 5128 -prefMapHandle 5132 -prefsLen 26781 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {3da4c477-0a50-48db-a479-d0162f8e2783} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 4804 1b55b3e8b58 tab
                    3⤵
                      PID:1688
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.6.1774658387\947789248" -childID 5 -isForBrowser -prefsHandle 4932 -prefMapHandle 4936 -prefsLen 26781 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {5909cfc2-35c8-4caf-b858-f6c38b6cef3c} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 4924 1b55b3e8258 tab
                      3⤵
                        PID:2160
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.5.977807555\511056972" -childID 4 -isForBrowser -prefsHandle 4752 -prefMapHandle 4788 -prefsLen 26781 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {278d8648-c082-4f9a-bb64-7f584f7bc87d} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 4804 1b55ac86958 tab
                        3⤵
                          PID:704
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2184.8.1422136355\263893896" -childID 7 -isForBrowser -prefsHandle 4416 -prefMapHandle 4704 -prefsLen 27374 -prefMapSize 232675 -jsInitHandle 1384 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {646bab47-67ee-4f15-9cca-695764acb6d7} 2184 "\\.\pipe\gecko-crash-server-pipe.2184" 4596 1b54925e258 tab
                          3⤵
                            PID:4448

                      Network

                      MITRE ATT&CK Enterprise v6

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\evlzgz75.default-release\activity-stream.discovery_stream.json.tmp

                        Filesize

                        164KB

                        MD5

                        fc17c58055533a94abc0b1be95b9923b

                        SHA1

                        745e0b7c045dc29561344cba1666104f40b26e83

                        SHA256

                        2f7faa26aa3aa5c420b9a4645d8b379bdccbaaabed0e8447f09acf8b7a5a4182

                        SHA512

                        f752a824e400d1ef1b1f6257db4ae46e07cda7432a9700086acb6e3e6de1edc45a4ad39280d87ce4edc4b443034153990beec768b13a57cf06b9eed6693ff2fd

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\evlzgz75.default-release\cache2\doomed\806

                        Filesize

                        9KB

                        MD5

                        217d1000a99e981a5497bf2af6c031c9

                        SHA1

                        e42627d676ea23fd96f79dfb52477a78d2d6f9e8

                        SHA256

                        c8530a6713094252a350ee2071728f391bc9ea6803a5a91fef590eb3a2503569

                        SHA512

                        37c8b75ae3dd5bafef43e95573422bba6f5e43c8318a24b7551d832f0c749340112fe0b34f092cad88e7526b5b16e3bfb7a4411f104c1a0bbbe3de05a107cc43

                      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fbbtpb1c.djs.ps1

                        Filesize

                        1B

                        MD5

                        c4ca4238a0b923820dcc509a6f75849b

                        SHA1

                        356a192b7913b04c54574d18c28d46e6395428ab

                        SHA256

                        6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

                        SHA512

                        4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

                      • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                        Filesize

                        442KB

                        MD5

                        85430baed3398695717b0263807cf97c

                        SHA1

                        fffbee923cea216f50fce5d54219a188a5100f41

                        SHA256

                        a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                        SHA512

                        06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms

                        Filesize

                        5KB

                        MD5

                        910cb3482b21570b375d923b7b5cfbdd

                        SHA1

                        6ecea07047f78d3665d9373ef193ddc72c236b88

                        SHA256

                        09f9904520fe33ce2db40d393c8c4719dd0cd7a1973138a34aad5ece355a0d6a

                        SHA512

                        3028e2983f5665fd2903daa094cd42aed239b619472adb9ccb120c79a2e36d7a0a4612d8734728b45740e5c538f3d50511742faa24b31077447f34141e01f329

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\bookmarkbackups\bookmarks-2023-03-27_11_yyzQT6zYKGzzlFbJAldNzg==.jsonlz4

                        Filesize

                        944B

                        MD5

                        6e888dd6fcaf9594a8c4264b6803875b

                        SHA1

                        b2437376c810d15fd5bab09673a2d2ede1c088bd

                        SHA256

                        26e32f944b43b35bb48ccab93e4b9e63d490da27e0f8c26afe10a193a21b03e1

                        SHA512

                        cc88f691a29b9a30abaed808025cfbccaa251a2d71b32fccac292930142f0b8450cfd2e4a14a6e65fd7d3f4dee562bcde642648e0affe0763b08d34c1f699a84

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\broadcast-listeners.json

                        Filesize

                        204B

                        MD5

                        72c95709e1a3b27919e13d28bbe8e8a2

                        SHA1

                        00892decbee63d627057730bfc0c6a4f13099ee4

                        SHA256

                        9cf589357fceea2f37cd1a925e5d33fd517a44d22a16c357f7fb5d4d187034aa

                        SHA512

                        613ca9dd2d12afe31fb2c4a8d9337eeecfb58dabaeaaba11404b9a736a4073dfd9b473ba27c1183d3cc91d5a9233a83dce5a135a81f755d978cea9e198209182

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

                        Filesize

                        997KB

                        MD5

                        fe3355639648c417e8307c6d051e3e37

                        SHA1

                        f54602d4b4778da21bc97c7238fc66aa68c8ee34

                        SHA256

                        1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

                        SHA512

                        8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

                        Filesize

                        116B

                        MD5

                        3d33cdc0b3d281e67dd52e14435dd04f

                        SHA1

                        4db88689282fd4f9e9e6ab95fcbb23df6e6485db

                        SHA256

                        f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

                        SHA512

                        a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\prefs.js

                        Filesize

                        6KB

                        MD5

                        f843fc3b858888d342076c7199266348

                        SHA1

                        97dea7b7d8486f03cc085ef488fda80fe53515a0

                        SHA256

                        19b6e95d7e0e109333b648d994d42f1f8552467f8f43a4570f84dc5c5e2189a4

                        SHA512

                        9b25cfb2a279bda5827e7d4c3446c75cb5057e7a886e23b7f3eb44d3a2fbb04d19249ff423c821cc41ea7a6d8585fafb0b4f9ae8d54274883250c4a4a1c7c1f7

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\sessionstore-backups\recovery.jsonlz4

                        Filesize

                        1KB

                        MD5

                        fce06f394f8411f9419bc954bba11ae4

                        SHA1

                        507dff3e55b1ae06fad144f5228996387555c09f

                        SHA256

                        a44102aba1d3d71ea672ea8d4bfbbc6ab7f00160afe09fb2b2a89a8a6f31a19c

                        SHA512

                        e9bdd730d6571337ddf1d3e5cc53ba8d0978431198c8661aac66a5c7ec387da5a5e942bc4389a4d918ffead037ab43485c5e16e637be7acc2d01801c0978fafd

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\sessionstore-backups\recovery.jsonlz4

                        Filesize

                        1KB

                        MD5

                        0b418930fcb7983f5c6bb7939cb32a07

                        SHA1

                        de40087d5e3ab58e3f44671521edf1cffbd25dfc

                        SHA256

                        3f56878b168a16eeb34914f072411db2c354ff5d8b722cc3d7a338eb00e3b86c

                        SHA512

                        3f5d0bcf27688fc59a4fa5babde78c15f9ba912fce5d2af96a0f9ba6359545d515975d209c8c0a57c57b2ac8c2d42c0611999cb041c98f22b9e602ea767f6048

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\evlzgz75.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                        Filesize

                        184KB

                        MD5

                        a5c110e4b98fdabdbd12a91a7b28d510

                        SHA1

                        b031bf2a4454b63bf9a131d38c7a5cfb6a412d5a

                        SHA256

                        0ff07ef9ac03c7a9fd71c5043b1af4beaed6b1849c2ad1edca0b5c727d478123

                        SHA512

                        338d1e97b5362388de87f7030dfe2347a045f1aace5f70ef3a33cc720ccb3f040aa2832d0db7afcc875d8b737dbc5029c9e50b4dfdc271cce3d4bbeda700617a

                      • memory/3700-174-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-345-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-671-0x000001E2E26F0000-0x000001E2E26FE000-memory.dmp

                        Filesize

                        56KB

                      • memory/3700-760-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-627-0x000001E2E2720000-0x000001E2E274A000-memory.dmp

                        Filesize

                        168KB

                      • memory/3700-838-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-445-0x000001E2E26A0000-0x000001E2E26B0000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-646-0x000001E2E2720000-0x000001E2E2742000-memory.dmp

                        Filesize

                        136KB

                      • memory/3700-202-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-127-0x000001E2E2540000-0x000001E2E2562000-memory.dmp

                        Filesize

                        136KB

                      • memory/3700-173-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-167-0x000001E2E2C00000-0x000001E2E2C76000-memory.dmp

                        Filesize

                        472KB

                      • memory/3700-156-0x000001E2E26B0000-0x000001E2E26EC000-memory.dmp

                        Filesize

                        240KB

                      • memory/3700-153-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB

                      • memory/3700-152-0x000001E2C9620000-0x000001E2C9630000-memory.dmp

                        Filesize

                        64KB