Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-06-2023 07:28

General

  • Target

    http://8bakgznnxd64492bd7baf0a.iiubes.ru

Score
5/10

Malware Config

Signatures

  • Detected potential entity reuse from brand microsoft.
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 33 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 25 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\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" http://8bakgznnxd64492bd7baf0a.iiubes.ru
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3188
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3188 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3156
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3488
    • 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:2960
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.0.523351980\1319528432" -parentBuildID 20221007134813 -prefsHandle 1848 -prefMapHandle 1824 -prefsLen 20890 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ecd1fe01-dff7-4d7d-82f7-d531aeb02cc7} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 1932 1e3ccbddb58 gpu
        3⤵
          PID:4924
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.1.1951589090\957109848" -parentBuildID 20221007134813 -prefsHandle 2320 -prefMapHandle 2316 -prefsLen 20926 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ee5b19df-eaba-480d-8fc1-fd316ce679db} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 2332 1e3bfc72858 socket
          3⤵
            PID:4396
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.2.1028272316\707678274" -childID 1 -isForBrowser -prefsHandle 1688 -prefMapHandle 3000 -prefsLen 21074 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9665087c-a3a0-49ed-a8f5-53d873caf121} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 2984 1e3d0a25358 tab
            3⤵
              PID:1096
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.3.104185596\1881991914" -childID 2 -isForBrowser -prefsHandle 1116 -prefMapHandle 1444 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {090854d4-b477-4be3-944a-290993635c32} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 3588 1e3bfc70a58 tab
              3⤵
                PID:3748
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.4.964016852\2014747366" -childID 3 -isForBrowser -prefsHandle 4064 -prefMapHandle 4060 -prefsLen 26519 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e0699e53-f71e-4a21-94dc-7e80ad7ddbbd} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 4076 1e3bfc5ca58 tab
                3⤵
                  PID:4496
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.5.2001485723\1376920549" -childID 4 -isForBrowser -prefsHandle 5060 -prefMapHandle 5020 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {60ab7276-89ec-46e8-b3f4-39a97a38a20a} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 5076 1e3d3122f58 tab
                  3⤵
                    PID:2484
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.7.833147566\233576823" -childID 6 -isForBrowser -prefsHandle 5328 -prefMapHandle 5332 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {7e13aeef-4476-464a-bee1-36fccab9ddc5} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 5320 1e3d3123558 tab
                    3⤵
                      PID:2112
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.6.608827361\1959966463" -childID 5 -isForBrowser -prefsHandle 5132 -prefMapHandle 5136 -prefsLen 26578 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {48daf86a-534b-4ff6-add9-901ddcf2c068} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 5080 1e3d3121d58 tab
                      3⤵
                        PID:444
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.8.187243444\1336711106" -childID 7 -isForBrowser -prefsHandle 5720 -prefMapHandle 5716 -prefsLen 26849 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {e1a987a0-ae6f-4e34-b752-57855aec9725} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 5728 1e3d3ae7c58 tab
                        3⤵
                          PID:5448
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2960.9.1396372966\699489558" -childID 8 -isForBrowser -prefsHandle 5868 -prefMapHandle 5872 -prefsLen 26849 -prefMapSize 232675 -jsInitHandle 1484 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {880f8b5a-1594-45cd-841d-b17682fc342f} 2960 "\\.\pipe\gecko-crash-server-pipe.2960" 5728 1e3d3ae5858 tab
                          3⤵
                            PID:5452

                      Network

                      MITRE ATT&CK Matrix ATT&CK v6

                      Defense Evasion

                      Modify Registry

                      1
                      T1112

                      Discovery

                      Query Registry

                      2
                      T1012

                      System Information Discovery

                      1
                      T1082

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                        Filesize

                        471B

                        MD5

                        20e784043bf9dd5a4a234ce3703f825e

                        SHA1

                        178607f94705ec6161c2c3a88177ef6a5aaded49

                        SHA256

                        1455f3acd9f00c4a3d7fac6caf8566bdffb868aec09f86fea8acc17a525b6c72

                        SHA512

                        8ae93f0b68ee867a881dcac4628b8ad77c559925f721b46be904d40ec00f909916280057ce09cf8e28cb3eca938aab58d4e210f4c61e56e3443c3555e113f955

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
                        Filesize

                        404B

                        MD5

                        40d43042a8d46861ee12ebe111761b9b

                        SHA1

                        0f8a236151a50cfce991e35eaccd2148430bb88c

                        SHA256

                        f2165b182e81514c278d8a101bf17be5ed3d01bda764af6cd976037eb68e6521

                        SHA512

                        2ea4e80edbf0716c9103a1783dec20e73aa942f4427170904e3e6aaf3bdd37823dbd23fd88bf7776fe9c5429a64964e8bbf278505fa97df60b94cf5a07d2fe47

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\7H82VOZS\suggestions[1].en-US
                        Filesize

                        17KB

                        MD5

                        5a34cb996293fde2cb7a4ac89587393a

                        SHA1

                        3c96c993500690d1a77873cd62bc639b3a10653f

                        SHA256

                        c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

                        SHA512

                        e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JXO1ZP0L\api[1].js
                        Filesize

                        18KB

                        MD5

                        47d9ed8b2fddb896e78dbbb2d7e76c90

                        SHA1

                        8a69d2673bb54f4491c241a1d7efa686e6e9a817

                        SHA256

                        2760f96d3b7629100aee1cb3ec7c47a3b6f0dee1152c339dc91a6fd67cb87887

                        SHA512

                        8cddfd4a202ade0db43bad83ae16a5f62589188199caebec9816b191cc4474dc3804b71338b800acec54b002b78cffff1a167ba57a30a9d6fdfc7aaf2465ff6a

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JXO1ZP0L\transparent[1].gif
                        Filesize

                        42B

                        MD5

                        d89746888da2d9510b64a9f031eaecd5

                        SHA1

                        d5fceb6532643d0d84ffe09c40c481ecdf59e15a

                        SHA256

                        ef1955ae757c8b966c83248350331bd3a30f658ced11f387f8ebf05ab3368629

                        SHA512

                        d5da26b5d496edb0221df1a4057a8b0285d15592a8f8dc7016a294df37ed335f3fde6a2252962e0df38b62847f8b771463a0124ef3f84299f262ed9d9d3cee4c

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P8NMKCW2\challenges[1].css
                        Filesize

                        6KB

                        MD5

                        2c78b7f8fa496092bf41d5edd51611e7

                        SHA1

                        8b0b1b276e8194b0a5497db478ec2ea9b4f83c42

                        SHA256

                        2b0bd09c1cc7119d27e45353a59bf6c2721563e1689853ff704057a7439508d2

                        SHA512

                        53a7750ea46082968c2ec557857ad3975cddb0b45595259f0f3e9fc16360b87c5f257e058489ecaf80e61a97f92f1c5e34fa2f6fcfe922f4ae22392ffd75b4da

                      • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\activity-stream.discovery_stream.json.tmp
                        Filesize

                        137KB

                        MD5

                        5e746bd44b38c3751b06d10636d4a711

                        SHA1

                        aa69c878d1f6701eb78c9fbed9bb6e4b780b3fb2

                        SHA256

                        1c13e617a8d390e37cee0332f84750c53cf3ce4fb66d89f95578e7bdb8948df7

                        SHA512

                        e60f53859b5c606a78c79c57e83fa0af926c24c5c6d4a91811ef8beca63b0331adb75399d83f738b0ef83f0faf8575a6a7a73b82d745853e10ec7967bddac6ee

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs-1.js
                        Filesize

                        7KB

                        MD5

                        03aa3b2d93f043256eb232bfa3da7f01

                        SHA1

                        a70db03cfd30ba1847744530925edcb6c2c25d2a

                        SHA256

                        f39417824ebbf4afd6ec8018e3631e67169bf486ac15ef76d5b1d44a152ec986

                        SHA512

                        863727bf26f2a8c74c7be8ec12f6af3b6686afb4f9b62d99120ec95a2578abd15a2df586058d83edfe8fe5be800f963583fc4e8ac33d68386accbcc55f743114

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs-1.js
                        Filesize

                        6KB

                        MD5

                        2fdd34da78ae597cc669d5ad4940c7ec

                        SHA1

                        5e9949d01b90ba2806c02e6b97513a76dcbc6c51

                        SHA256

                        8632a1619dbf2dac77f9a0e92a5ebe74efd88ad75ac783801a97ecb9ca53dad5

                        SHA512

                        3709d8538c76aac99162f4d8ca7d4ba9fe5d599d59067d82a8f96e2d93de5e5ada4587f475b487a3a2e99c161271aa4637f14f74623485858782c42c5bd7de1c

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs-1.js
                        Filesize

                        7KB

                        MD5

                        a594952ebc01cb7b8a99b198dbfc97ad

                        SHA1

                        6984c1be0538a220039be24017bdf731c87709b0

                        SHA256

                        cfbf57de4315439ce174a7f89d5a2859dc8bee679710e5bca8d089bab2dded2d

                        SHA512

                        b50c6f16b60cba6e5b4549ac376bf39516efd5f9eff5a3578bdbe56fa9426c3056d37008e585fc8cf385143fa3f14d9725ca3a91d3baa7b7bb4fae1fd06ddb1d

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs-1.js
                        Filesize

                        6KB

                        MD5

                        3f7cd05f7cd16f1d3fad8b9b02d68c61

                        SHA1

                        86e76d7bfb0e369028ceba5ef2c5acb62979af12

                        SHA256

                        01367bb1315c405f8bed6b12f401a363a93d5e2d04b69c0f998284d9038e40b5

                        SHA512

                        4155215d49626235e4e844906fdd32c99a52ea36d489b16bdb0f1a9697408d76e1b5e83dfb3426d3bd8ee68d3bbd416b1dd7270831c06ed30264853deff2039e

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\prefs.js
                        Filesize

                        6KB

                        MD5

                        2ca68eec3c1fdbaa1ae996ee759fc3c8

                        SHA1

                        54363409a7393613ff528d0488d1cc16796ef2d8

                        SHA256

                        4fe10ac0c622a99629804d64c89b59339a12a63ffb0b56132bfe39ec9b25aa1a

                        SHA512

                        e2fdc625ee7d3e54c1cca72810eccccc3f493253319dad56693d77904692830302564897d7d9c33b876f645bfcd1a5498be9be81bb18932e3333d00ca3408c12

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\sessionstore-backups\recovery.jsonlz4
                        Filesize

                        2KB

                        MD5

                        8012e4cea690136a4c41828c589741e8

                        SHA1

                        14518d5b6722f23df979d3cf450b1d980b24b5cc

                        SHA256

                        30cf67eca4ef272e95e1d7a77d2b2e78c9a96aa4f7dedabc049aa5697a464b6d

                        SHA512

                        209e72dd4b456a21536c0e165769ebbee288c302341a4aab466c64affd8e1ce9b9ba2143b19ec6b1a2345f8c932f28e27ca594bf9090b0a7f73a4491c928d766

                      • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\yz6mdvpx.default-release\sessionstore-backups\recovery.jsonlz4
                        Filesize

                        1KB

                        MD5

                        b8ab417b494da20d667071887bd037f7

                        SHA1

                        9fecd441c83f5856e1eef8e67ac1283e3fdd211b

                        SHA256

                        eeea8f1bb845bcfd8bf7987f66a682d6fb2345ae09bc60277a983983da3f8666

                        SHA512

                        8ddbc03d4f668bfa5a950afef77fcf4034843a8fb809c0eb681f3ef36e7d4357dc5905ea3948fd7f316deb5d2a7a8f0a27582d7ed073a19f6597ff9f03fd99fc