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Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/11/2023, 18:48

General

  • Target

    wo.txt

  • Size

    185B

  • MD5

    5c7ee75713a19b0e149ba10833857492

  • SHA1

    1c0a43e52f5b05f329b0c8023ea119b201bb88d5

  • SHA256

    82fdff369be9f2c4b227534d5af0b2897881666bbced5bda2825dc2b4a954757

  • SHA512

    2dc47a3ebc5104fb739f9d0358c1f5d04d4b422d68e74260a67bd8b2654cbebe738caa30711e9cec9def0ef543a5ba77fe3ccb3050f6da87f8aa7f1ab3f1b1f7

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • 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
  • NTFS ADS 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\wo.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:4484
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4388
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      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:3912
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.0.428969964\1327313870" -parentBuildID 20221007134813 -prefsHandle 1924 -prefMapHandle 1916 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {288408e7-90ca-49f9-bdea-d7ac1e28c4d6} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 2012 27a1f0ebe58 gpu
        3⤵
          PID:2404
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.1.1370586105\1403442324" -parentBuildID 20221007134813 -prefsHandle 2384 -prefMapHandle 2380 -prefsLen 20974 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {74ba79cb-a170-4df7-b137-8ec24c76150d} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 2412 27a12872b58 socket
          3⤵
            PID:1568
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.2.299337966\1015681714" -childID 1 -isForBrowser -prefsHandle 3096 -prefMapHandle 3092 -prefsLen 21077 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f853d4cf-3d50-432f-a122-1e25e98049d1} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 2996 27a232a8a58 tab
            3⤵
              PID:4528
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.3.1073344250\1018187640" -childID 2 -isForBrowser -prefsHandle 3608 -prefMapHandle 3604 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {041e3a42-9ceb-4692-8130-15045a109948} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 3616 27a12862858 tab
              3⤵
                PID:4576
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.4.1808084271\128578268" -childID 3 -isForBrowser -prefsHandle 4660 -prefMapHandle 4656 -prefsLen 26496 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {34a5b4e3-5dba-4994-a2c0-43b22938aad9} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 4680 27a254af158 tab
                3⤵
                  PID:3464
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.6.1692572161\287975510" -childID 5 -isForBrowser -prefsHandle 5596 -prefMapHandle 5600 -prefsLen 26871 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {cabe1f53-4d9e-4051-92cc-5a7c9b8345dc} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 5588 27a2704da58 tab
                  3⤵
                    PID:4728
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.7.586366311\557549120" -childID 6 -isForBrowser -prefsHandle 5680 -prefMapHandle 5676 -prefsLen 26871 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b42b28ca-5eec-46b9-9c04-9c4f0dd486cf} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 5692 27a2704f858 tab
                    3⤵
                      PID:4980
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3912.5.1959241304\1753545189" -childID 4 -isForBrowser -prefsHandle 5432 -prefMapHandle 5476 -prefsLen 26871 -prefMapSize 232675 -jsInitHandle 1408 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c729da2f-6ace-4104-8be4-ace068e295ef} 3912 "\\.\pipe\gecko-crash-server-pipe.3912" 5448 27a261a6c58 tab
                      3⤵
                        PID:2652
                      • C:\Users\Admin\Downloads\Aradog321.exe
                        "C:\Users\Admin\Downloads\Aradog321.exe"
                        3⤵
                        • Executes dropped EXE
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of SetWindowsHookEx
                        PID:2920
                        • C:\Windows\system32\cmd.exe
                          C:\Windows\system32\cmd.exe /c cls
                          4⤵
                            PID:4592

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\snaxaw5u.default-release\activity-stream.discovery_stream.json.tmp

                      Filesize

                      22KB

                      MD5

                      1688f0bebf2d780e350f58cc3ba42778

                      SHA1

                      1cd3fc916da053d6b10e6b0006562ca3194ab6cf

                      SHA256

                      b479e83b81c382c6d551d75f42bdf6dbe28159aab703b1d488c228f0f8ca1fd2

                      SHA512

                      4fb4d344976ad68f2c6190df959b21005bcb8bdfc3c143c3b9e123bb64a1d7a3b0e3ea0604f1ed6777c139142d28ee30491764d2a623a67d744147bb61e4646f

                    • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\snaxaw5u.default-release\cache2\entries\51D52D298316CD3F9A90A40E946BB34EFA1BFB72

                      Filesize

                      13KB

                      MD5

                      d183e6fa4ebbb2d349740d1f7d8e5949

                      SHA1

                      6e86372dea8577d994b753242c4c503d0f22f778

                      SHA256

                      5c76d91b1d4f38d100ce1e5773342771fe1010cc1dee03b04c3701224ac65e9d

                      SHA512

                      f1e860ecc1d9641eb6a7708f6104eaef7ee0fdb141989263944417202ba8f2325a6979704c5319db37fea7a36b2df443a2542f1716e67411b182b67df4e5ab8e

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

                      Filesize

                      442KB

                      MD5

                      85430baed3398695717b0263807cf97c

                      SHA1

                      fffbee923cea216f50fce5d54219a188a5100f41

                      SHA256

                      a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                      SHA512

                      06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                    • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                      Filesize

                      8.0MB

                      MD5

                      a01c5ecd6108350ae23d2cddf0e77c17

                      SHA1

                      c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

                      SHA256

                      345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

                      SHA512

                      b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.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\snaxaw5u.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\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

                      Filesize

                      479B

                      MD5

                      49ddb419d96dceb9069018535fb2e2fc

                      SHA1

                      62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

                      SHA256

                      2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

                      SHA512

                      48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

                      Filesize

                      372B

                      MD5

                      8be33af717bb1b67fbd61c3f4b807e9e

                      SHA1

                      7cf17656d174d951957ff36810e874a134dd49e0

                      SHA256

                      e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

                      SHA512

                      6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

                      Filesize

                      11.8MB

                      MD5

                      33bf7b0439480effb9fb212efce87b13

                      SHA1

                      cee50f2745edc6dc291887b6075ca64d716f495a

                      SHA256

                      8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

                      SHA512

                      d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

                      Filesize

                      1KB

                      MD5

                      688bed3676d2104e7f17ae1cd2c59404

                      SHA1

                      952b2cdf783ac72fcb98338723e9afd38d47ad8e

                      SHA256

                      33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

                      SHA512

                      7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

                      Filesize

                      1KB

                      MD5

                      937326fead5fd401f6cca9118bd9ade9

                      SHA1

                      4526a57d4ae14ed29b37632c72aef3c408189d91

                      SHA256

                      68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

                      SHA512

                      b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\prefs-1.js

                      Filesize

                      8KB

                      MD5

                      5e0d79621c75dad6dfc47e41501f6484

                      SHA1

                      99d7b8cc9413bd95dd8f45e7dae1a8ac13636b74

                      SHA256

                      9c8d7bc0c991167d3f4fe6e2bd522e8feeaa2aa8bf300fffc8e99d577c7f5c6e

                      SHA512

                      77bbe85549736f0a78e6414743eb54e09ab6c09130858b50a0bcc5e1a4b420c30897ee42c0e53baf6387749e62059fdcad2af4d2ee0b5e177fa355875bda7f10

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\prefs-1.js

                      Filesize

                      6KB

                      MD5

                      e714a60a790f3232d296e446d4623e74

                      SHA1

                      a957c7dea0cc4b886991c3d9b1cb9e0a1b020856

                      SHA256

                      d14cdceafe1c7ff94454d4806c908a7b84897cd8bfd5902051ed147ed2473bce

                      SHA512

                      dc1ea14e572b4448a58c00546518518a19655c7edc1deba34002029a5cba0c81760f62cc6e094f43bb29aaf73a9932c28a2918b73a3d67f0b38eaf3ad2bc9426

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\prefs-1.js

                      Filesize

                      7KB

                      MD5

                      175777fc65ad0930a886fc53cec1a2a9

                      SHA1

                      fad85f18b0689fb2693537d7f06042f30b77ed61

                      SHA256

                      ccf28c17ce9f30d76240b5658391de0463ba98804c828b1bd23f1f9d39056405

                      SHA512

                      580fa402d327f4006d0a5e89efaf43f7e5c152e0f7e0178f4d9854c8e177630de0e30443c2873b0a9009e8836e11131ded8fea087706677cb30a2211b502d354

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\prefs.js

                      Filesize

                      6KB

                      MD5

                      76916cc5340f0fe534fe9a50b5db8094

                      SHA1

                      f000471496b2773d8de92f1f3d49a6778dad74c4

                      SHA256

                      dcbb12b3b89c763e3c011caf1964d6118c1e5f0b5e9129f7378abdb1d9cc125a

                      SHA512

                      cdfa92a40845f2cacdb0689013438082a6edc8277ac120104b326ef712b84fb069c3c6af8e2b39b010ea1688829760a25ffecec8d9db7d91ebc490179e959bd6

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\prefs.js

                      Filesize

                      6KB

                      MD5

                      684f28026568f62cb54b2e24114d04a9

                      SHA1

                      58d04e11dc60d3d31ad902b80bc3d17e619560b3

                      SHA256

                      a4cafc18f7637538b78bc610d4f8b9c80d86ea8181602a387d0c0430479e3997

                      SHA512

                      7bf82a28f1676c34c69ce38b6f046ecc215ba8270fda23971d0e2ffb71f4ee814dcf3e6b6a6ebeedbd538c73ba5883e9a828c719335f77ffe5447bda6907f81b

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      1KB

                      MD5

                      af0fabffacc73f36afa1b4651d4156f0

                      SHA1

                      d4a5e95896dd625fef6c0b5a1ccbb9b27ff59e19

                      SHA256

                      54b909224bb5917f8c99b3a0ed2c5918e13c75ee68d127a481e37df34f7de089

                      SHA512

                      5bd99326838103d5ad5183c236dc3c87d47886c1dffb48edbeb97628c2f0eaf9ec2a59b4168879a2d87c9c064b05b25d53bd8820ed61de6fd920e02f7733439e

                    • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\snaxaw5u.default-release\sessionstore-backups\recovery.jsonlz4

                      Filesize

                      1KB

                      MD5

                      c136802d18f42d7a618dfe399e667902

                      SHA1

                      12899c9109c0d068f7183211b36a05c7fba7209c

                      SHA256

                      3d8590f45ad97e688d6ef91b388adf7aae3c93ea348e2da9e7fd21f36a9b96fe

                      SHA512

                      243458cb4791e4a37dec318c55e5aa7aadcc4e917e0afbc6d69a72563fc175592d8f374a5ecc4d3e54a98434d5978c776dbe2033c02c3d50c53a43c13d68dcb2

                    • C:\Users\Admin\Downloads\Aradog321.exe

                      Filesize

                      463KB

                      MD5

                      80ed805a4a7660057fc73db66495579e

                      SHA1

                      b965c16edcda66728302a49e4af92117b1fedd4b

                      SHA256

                      740eba21fffed94aa3101c695bca478570cbb5e33ce6bf7bca734e6375ddb612

                      SHA512

                      13f353315cc20c374ec6b535f3b28f6b07f30afce7b4b9cc902fb467ba13fe6c78ee5582c23ec0173ca88acf79c5e7ae904b51465b88d30bfe5ea60149db380b

                    • C:\Users\Admin\Downloads\Aradog321.exe

                      Filesize

                      463KB

                      MD5

                      80ed805a4a7660057fc73db66495579e

                      SHA1

                      b965c16edcda66728302a49e4af92117b1fedd4b

                      SHA256

                      740eba21fffed94aa3101c695bca478570cbb5e33ce6bf7bca734e6375ddb612

                      SHA512

                      13f353315cc20c374ec6b535f3b28f6b07f30afce7b4b9cc902fb467ba13fe6c78ee5582c23ec0173ca88acf79c5e7ae904b51465b88d30bfe5ea60149db380b

                    • C:\Users\Admin\Downloads\Aradog321.exe

                      Filesize

                      463KB

                      MD5

                      80ed805a4a7660057fc73db66495579e

                      SHA1

                      b965c16edcda66728302a49e4af92117b1fedd4b

                      SHA256

                      740eba21fffed94aa3101c695bca478570cbb5e33ce6bf7bca734e6375ddb612

                      SHA512

                      13f353315cc20c374ec6b535f3b28f6b07f30afce7b4b9cc902fb467ba13fe6c78ee5582c23ec0173ca88acf79c5e7ae904b51465b88d30bfe5ea60149db380b