Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    08-11-2024 14:57

General

  • Target

    tox tweaking/niggers/openshell.exe

  • Size

    7.9MB

  • MD5

    cf93ef6708b8026ff44e5dfe26d6d387

  • SHA1

    8b1666ce02c032cbdc1a7afcd1e9395a892da386

  • SHA256

    31e616f27fad0c9b14a22c02ded2dc524411abf53d72c4136f22db1be0156865

  • SHA512

    9d30881098f283bf478b56267623f3d4559ca7554fabdaf777458dec1368a4d6d84b8bd7ff0982060aeea85c69f8d160b2afcfbe5bbbffb2d425bc2a8dd63f52

  • SSDEEP

    196608:4A+K5NrULkCZNxUmPYLWDYqqaUeqA923VnJEhqY1TUmPYbWDi2r:4A1rUIMNWmQaD/t7GVnJErwmQqDx

Malware Config

Signatures

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 IoCs
  • Modifies system executable filetype association 2 TTPs 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 41 IoCs
  • Drops file in Windows directory 16 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\tox tweaking\niggers\openshell.exe
    "C:\Users\Admin\AppData\Local\Temp\tox tweaking\niggers\openshell.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\SysWOW64\msiexec.exe
      msiexec.exe /i "C:\ProgramData\OpenShellSetup64_4_4_190.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2604
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2552
      • C:\Windows\syswow64\MsiExec.exe
        "C:\Windows\syswow64\MsiExec.exe" /Y "C:\Program Files\Open-Shell\ClassicExplorer32.dll"
        2⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:4528
      • C:\Windows\System32\MsiExec.exe
        "C:\Windows\System32\MsiExec.exe" /Y "C:\Program Files\Open-Shell\ClassicExplorer64.dll"
        2⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:2968
      • C:\Windows\syswow64\MsiExec.exe
        "C:\Windows\syswow64\MsiExec.exe" /Y "C:\Windows\SysWOW64\StartMenuHelper32.dll"
        2⤵
        • Loads dropped DLL
        • Modifies system executable filetype association
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:1576
      • C:\Windows\System32\MsiExec.exe
        "C:\Windows\System32\MsiExec.exe" /Y "C:\Windows\system32\StartMenuHelper64.dll"
        2⤵
        • Loads dropped DLL
        • Modifies system executable filetype association
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:4652
      • C:\Program Files\Open-Shell\StartMenu.exe
        "C:\Program Files\Open-Shell\StartMenu.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        PID:2708
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4192
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
      1⤵
      • System Location Discovery: System Language Discovery
      PID:4124

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Config.Msi\e57fa20.rbs

      Filesize

      20KB

      MD5

      f36eb96628f1ba54dedc34d5f5648dcb

      SHA1

      9747dc8ec6c5266db2681ed3b7a041e4988396b2

      SHA256

      aa0a59364983f6b7f5bfb02feaa374af6f6517b5b39e8a2d8fdfe183177de655

      SHA512

      7a2dd3bdb36affc8c7ccb5017b820948f643859e25e89e0cac4723dc8adae2e88909419ce48c41d279ea1a706a89bf7f0007ccb16a8f7572a4905922322d3ec1

    • C:\Program Files\Open-Shell\ClassicExplorer32.dll

      Filesize

      863KB

      MD5

      4e8857fb490c01a686095785bbef5896

      SHA1

      975dd96ce38ad1ec0b25decf4c8d36d583a9f02a

      SHA256

      ba769f3ac5d06433babf0c260f9e6178834ebdad5bbd43bcdabe5ca3ea140d77

      SHA512

      e23bcc3809fa35a99aabf1fef54faeeaff491e5e7afa0e1a69c5ff2ee95fac02d6111fda6831964edae6b3cadaf17553a9cb4e1a0fa39e942e303b264f2c0f66

    • C:\Program Files\Open-Shell\ClassicExplorer64.dll

      Filesize

      964KB

      MD5

      e668a04a52acc169c16717d4b1184f17

      SHA1

      1f6e4293c919bddc9e3cfa324724a07f309e95e0

      SHA256

      9c52a38e89a954d9e200fcd3a8b29fa92dd0239945902b817732e45c3a216f1f

      SHA512

      5f09aabc536b593c043b32a7d2400cbcd4e9b8e5346c116ff58337a30c6b8704e91551fbae57d3afdc32e14446c39f85ef4d2839fed9b6ab6c9fc0fa453ac720

    • C:\Program Files\Open-Shell\ExplorerL10N.ini

      Filesize

      98KB

      MD5

      6ed13b9c1719b252e735ba7e33280e67

      SHA1

      f3753deab4d99dbee4821a8a70fe6e978e1a45f6

      SHA256

      b351158059f3d94c112863defad9063c5cdb81dea0b47530809ef4d8de4b68ab

      SHA512

      f529034e5853624f7bcce9a7ab93c205ec8fd1c671009e0a0b767f3268525ec2b91e75eeda2eb5f9f4c58a6d713b56e09a23aefd52d4b51eadd1fcef2c016afc

    • C:\Program Files\Open-Shell\Start Menu Settings.lnk

      Filesize

      1KB

      MD5

      9ff8d9f5ff227d88c315b1cb039e11f4

      SHA1

      8b6949cf642f2fb4d81954b6b1e8d381aba03681

      SHA256

      50c2f6f5db017b37ca6723686c7ec179dddff386da8997b2d052f2d331f620fe

      SHA512

      143fbeda526bb827bf5b86eb29b79aaccc41d9a5977c13e647306831aa3b704d7d979ac1f99278017e83f88c6994ad106aa938b559c4c40ea595bd18a1f2f7af

    • C:\Program Files\Open-Shell\Start Menu Settings.lnk~RFe57fc52.TMP

      Filesize

      1KB

      MD5

      011c61cee2c0116002f87d2947921379

      SHA1

      3d71959a7003aa87f5b8bac6d9e834729793a531

      SHA256

      48e2e6aac16e91fbe4398117d1cbd70453beb9f76e4bec48ad4b8b00a541d483

      SHA512

      c34b163e9fa332f091a2627f70c5f9d47383f328dc6d5198de32e2e4412847e874938d37a036372a97190692d5c39d26d5d0081fd4f596fb1ddfd228935cec9c

    • C:\Program Files\Open-Shell\Start Screen.lnk

      Filesize

      1KB

      MD5

      9ad98868b08f5e5d2d246925b94b9597

      SHA1

      c013f49ccf5dbebca809d22912e138629e53fa1f

      SHA256

      aef790d9a3965418cd943c8d7659254ebde36a873ae26edd4498227753d49823

      SHA512

      3c94bd00f13b19b62162487d14f0ae143b7d6b7fe775ae469ad8001cae743ed14fdb04d2307d005b5098e50a722bf4101270892cf4e5e3213e06db5808154038

    • C:\Program Files\Open-Shell\Start Screen.lnk

      Filesize

      2KB

      MD5

      24d4501d9dba54cd2379ba838586a72a

      SHA1

      1ed50051d23d199afbaabf60d14934dd59e7a55c

      SHA256

      32caee90aebba381dd7fac40330ac8e571a229a3895791160b26f6f3e0d49df3

      SHA512

      f987c1e1dbb024a7e25a0157276e00ee11d65e79994571a24a19a7528c00f670f096f5bdd8cc39081e0e5ba3f338b501b74046ec1929b30f482cba18481fa246

    • C:\Program Files\Open-Shell\Start Screen.lnk

      Filesize

      2KB

      MD5

      a50994ee7bbb23ac9a476e20b452836b

      SHA1

      27e9c84e5c924a777ae5b120ce0c338b7b1ac0f2

      SHA256

      52fc2bf080040b906f9a4b40bd22ed8e139359e42174c1785f013871851de019

      SHA512

      cae4ca12bcd3c908bf7d8537f743f322bca8b9765860381507238e511c7b9bff43c1399a6dca4f5d0d4f2b015cff23be8b6402b69659ee9989786a4782da8fbb

    • C:\Program Files\Open-Shell\Start Screen.lnk~RFe57fc52.TMP

      Filesize

      1KB

      MD5

      ad4181d7679e67532c0c14217c874c4c

      SHA1

      831c8c2052a94cea1b039f1fc31f8baa1d32d849

      SHA256

      e082f4570256edc5c29a71195ff563fb9540edd137e15816666ecc3bd73c3b12

      SHA512

      0216c6f34011253c385179dcd901d05f57bb9dff841f76313cd2fb8bbcd431b83618409608737e7325e131e023cb019b152cfec0d870db53c6202b796247a744

    • C:\Program Files\Open-Shell\StartMenu.exe

      Filesize

      259KB

      MD5

      6f7907b4b6e7332fdc29835198fe98d4

      SHA1

      4c7447137678209a1acbe58ef91db60f706e2b50

      SHA256

      08f505b325a67b61eb997cd45d61fb04851b6e6477110739a7cfc1ef5d290fae

      SHA512

      030f3b80f320005a27cab243573a704a46ed6cc342b2f9aef128511f132b9e1ffcf3759c44fe6252e045ce6368376cfddca5a8fab07664d9ea89acc9666e48b2

    • C:\Program Files\Open-Shell\StartMenuDLL.dll

      Filesize

      2.7MB

      MD5

      1a4b83094fa595506d8d33663edfd64b

      SHA1

      49956cacdec572f5311a23fcc9499a63943df0b9

      SHA256

      3a2898c5a1c71c42a95583ccd2ad72e30f43d815b3da3452b3d245ba5c0aa1e5

      SHA512

      ac48376c9085976eff72702136a94ff66c53ca58624b00557e39ed1accc4de074c9f7fed877f030b4936dde41faa627920a9b7332dd721adc38871778f08f6b3

    • C:\Program Files\Open-Shell\StartMenuHelperL10N.ini

      Filesize

      11KB

      MD5

      29221f620ea6b5893add15dd6c307684

      SHA1

      97c31bb9585a0896e1fcea8efa3f05ff16823da2

      SHA256

      53cafbc10e671b2885775dc7d7b66e93156a4fb661aee95e03c2dd74ea99fa84

      SHA512

      b4c98f1352d7f8c60eb785b1849673bfa880242fe3daceb2bf9e69ec7ddd6c707df905c7b18b2888d87ba47a36f967761c8ff69d8082ebbf5dbf3a21aba55f42

    • C:\Program Files\Open-Shell\StartMenuL10N.ini

      Filesize

      286KB

      MD5

      673bb428b6d3fab8cba07890cad09d0e

      SHA1

      45039820289bdb485bb761e9b267f6de9e18a26c

      SHA256

      ff4ba6dc92215a59e2d84e2ec489bb5cdc3b3799f08d83a0b27639117e25ce33

      SHA512

      2da16a2be769290f457b471155b6da838ce089c85a8d0fdd8c65b58a20212eb719893a16cbcb9510f01c6a10eb23c7b53e396f97445cb802a39b9c8ed4f0962e

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Classic Explorer Settings.lnk~RFe57fc32.TMP

      Filesize

      1KB

      MD5

      1e46fc6993bc30e59779d8defc41993b

      SHA1

      1a6ef1c1600d2154261bd83dfa7816b76d493037

      SHA256

      8ae9d0ee7884564160f5fea841276e180888f59c9e2f6a2233bf3d7ae4c44b78

      SHA512

      3293e02928aea6c15dd295606a62e9e67e0818cea9bc0edff61019e6e39f2e444724d58286440ea0adf1a4f346fa2807bddfaa1a0fe435299b613e0e513b2020

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Open-Shell Menu Settings.lnk

      Filesize

      1KB

      MD5

      5d5c28deba7c8bfba062fe68f00090d6

      SHA1

      f9062f7cb4180c0a4796695b216b3380c0b136ff

      SHA256

      af6538484093c0cd2e5521bdc516400806a888afbcf82ace8a482b93d5d7265c

      SHA512

      7ec10beeb1de9bf71f96a94869b403a2cba4a4def6cf785fc146e190aab2698cf6a8b48636147c13f469192efaa8524b98c635572f23bbd9d05a9200ac1695c3

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Open-Shell Menu Settings.lnk~RFe57fc42.TMP

      Filesize

      1KB

      MD5

      f0309195576983f1a4fa09560ff0802b

      SHA1

      f1b6f1e2fb8f4f092c4603b5ec352802da1eaf4d

      SHA256

      ee82805563dc448be0b00ab94b5c2b5d32a4016c1887e2ae4e9d5acf9268b029

      SHA512

      9fdf3a62cca05cff4fc830cfe6bf2f2a629ec36bdb5c92d4eb4ab3bf2c125cc1abad6b81d8ed6367f69b31d4732bb665c3867d13b3bd38912f2de9eb13d06e25

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Open-Shell Update.lnk

      Filesize

      1KB

      MD5

      3834ad08c1a6b29c8d936a5dc4cd7b05

      SHA1

      fa37c192bf8c91a56ac552134c59d5e36c7418b5

      SHA256

      205e91ed199eddb1d4d9019f1627d3af222f6c0fe25315a78c4009ad7104a15d

      SHA512

      93373574080c7b98b2b593180b4f4ed4b8ca2fb40e175b601a206d9190c7cbdd3ddadaee255feef10357e6a781b47ac8bf90f1976e45308b546db96ccd82147e

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Open-Shell Update.lnk

      Filesize

      1KB

      MD5

      a028ddf0e146f0688204cffd0045e094

      SHA1

      e41751da4bb3bcb45698e9e91ad9acb417b0b7ae

      SHA256

      009cde3813240f22eb47821b27e5b87e52f58b4b54c439a128784c29bf0da653

      SHA512

      b9aff4c0ebf6f3c35894ee46b9bbb110acc03faa7bfd5f4e05375c251dd4c9961b9194406819a837ea0311a669f4608a1eed32856449a3abad2e2a02c9cbf110

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\Open-Shell Update.lnk~RFe57fbf4.TMP

      Filesize

      1KB

      MD5

      2e8d7601da2c712845b0a619623236d0

      SHA1

      ce61d9972004df2734a4ce0e04b575f626b74a06

      SHA256

      d8adb9fe6ef74affbc2abddbaa6d5400cf5f74df2d402eaa465a7f79ec05d75a

      SHA512

      b45d8fe822ec60bf2e91648424e105f267ca54de9a2855289f8d0f7c5a0d15a192a3ab7c293b2aa0131cf69c517465fceea5c8a8afffef54928f34cb66c7daae

    • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Open-Shell\~lassic Explorer Settings.tmp

      Filesize

      1KB

      MD5

      4861c64735506e5e2f3a5f42fd9799ef

      SHA1

      f0266194a9575b2d2130ba6d71d41ef6e1e8413b

      SHA256

      5340d65c9b67531d5a4e90d234da33c409f8842477ea47fcc9e4ae04881e8e68

      SHA512

      43572c72a82e570dfb55cc5a60cf27655aac02502a2d65f1c6e794dd152e7331c26e0e10904595d13887e1922ad9987b3b4c6138908cf1ff1de032d9a03c23bd

    • C:\ProgramData\OpenShellSetup64_4_4_190.msi

      Filesize

      5.3MB

      MD5

      971e810ca9478a41252ff920520f108a

      SHA1

      5d0919ba92d0983afa4754c1659f5db619c84f1a

      SHA256

      7a22d669ffdd65e71c15f517af6c8013931a61e6da67b5642604fef61038e85e

      SHA512

      4c7b8a396ad3eea6f7294add7d2696240fe40910d166e59f51611cbd020430a675fb266256c09f95728fc7db563430ebc6c5d7c0d10bf8942c8406aeaf85d931

    • C:\Windows\SysWOW64\StartMenuHelper32.dll

      Filesize

      350KB

      MD5

      4bb413dd44c6cb51d04095d45c7ff040

      SHA1

      8048d8c2c012a7d967f9201b5be51221b0ed0afa

      SHA256

      4677b065ed62539047f893f96691ae07570b1ac7c2172c6705c053ba6f75a277

      SHA512

      9d4344dbde6ad8a8fab66c494ce13f8cf3b79b312a65f71c559093179a95c155586ed532fc3d8c34363bd0aea53236e3a2552371230c3c57071eab493a77572f

    • C:\Windows\System32\StartMenuHelper64.dll

      Filesize

      426KB

      MD5

      efb282fe9c98bfac6480575a211b02ff

      SHA1

      0b0a2e34f00c985a0574c47ff0c950f5e9db3f40

      SHA256

      84782c13c8d9fc68c2e86c204c2be99b846e39824096f64dd06b578841467d65

      SHA512

      7180ea2ccb5cd47398a009903450c9b4370bda4c73ddd5c11e4be5f6e0756e0466770df2ca82a1d5b78b619a90ffd17a88e15a9a5d073c3b5e97be9226c5b994

    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2

      Filesize

      24.6MB

      MD5

      294519130546a80466ff3c0e2a5946f5

      SHA1

      b8cb2ce5f8f1f88dad6f5b23e0e04a7e3e281fca

      SHA256

      885d1fb6a6ad0f7e9fca4398f98701b7fb7a51643bb6abde6ca705d0f7d30cda

      SHA512

      daae8e17ce6dea907713d50218bc3a5bf37c0dbf216b4f9db44b396531ad2dfcce948e3435a18f97d6fa266c39d814d28b3815609e548fcc04bbd54705c0178e

    • \??\Volume{4627e397-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{ba5c64ac-94a0-406c-9d52-92ab82c340d5}_OnDiskSnapshotProp

      Filesize

      6KB

      MD5

      72d7187019a10ec7abbc644b6f84c9bc

      SHA1

      7f6b79906d304dce52510a2e654f7ab40e0d043f

      SHA256

      e528e1522270804a5e5d948217fcac95d4372224bc49b24d0103e18f00dada85

      SHA512

      5886b024309e92382244cff00cc7e2cd2daf0c65180604984222c4138802de49b5155d4b90226f3cb61314825c111c90a6fa6b4e32899cc2da00ab9c0a50fcc2