Overview

overview

8

Static

static

7

729bb942e6...da.exe

windows7-x64

7

729bb942e6...da.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:23

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General

  • Target

    729bb942e6176c8ba200dc7950ca2ada.exe

  • Size

    867KB

  • MD5

    729bb942e6176c8ba200dc7950ca2ada

  • SHA1

    058eeaf0f775cfef912fd2204dda71929b23e20e

  • SHA256

    e2ce71ba4ba08897f304189542d3194e9ca2ff4c08633d703c7c3b20f73463c1

  • SHA512

    0ffc2b88eb1b5b8f6a9921042976dd3772b011ba9669576be3e49607f57fc2be0bc0068700adf93ddd969100c71f6065df8fe345ee555963ec893dde6ae76b0b

  • SSDEEP

    24576:13iddQK+xX9LAW0RskGsFvZP0IJTRVdBVjCiRCF6:pivQDxlkDZ5TDZjCi

Score
8/10
bootkitpersistenceupx

Malware Config

Signatures

  • Modifies Installed Components in the registry 2 TTPs 5 IoCs
    persistence
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 29 IoCs

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

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 8 IoCs
    adwarespyware
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 8 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\729bb942e6176c8ba200dc7950ca2ada.exe
    "C:\Users\Admin\AppData\Local\Temp\729bb942e6176c8ba200dc7950ca2ada.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4172
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:4900
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4188
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies Installed Components in the registry
      • Enumerates connected drives
      • Checks SCSI registry key(s)
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3872
  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:1516
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:4416
  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\explorer.exe
      explorer.exe /LOADSAVEDWINDOWS
      2⤵
      • Modifies registry class
      PID:2788
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Enumerates connected drives
    • Checks SCSI registry key(s)
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:944
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
    1⤵
      PID:1148
    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
      1⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3184
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:2288
    • C:\Windows\system32\sihost.exe
      sihost.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:800
      • C:\Windows\explorer.exe
        explorer.exe /LOADSAVEDWINDOWS
        2⤵
          PID:3496
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Modifies registry class
        • Suspicious use of SendNotifyMessage
        PID:4568
      • C:\Windows\system32\sihost.exe
        sihost.exe
        1⤵
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\explorer.exe
          explorer.exe /LOADSAVEDWINDOWS
          2⤵
          • Modifies registry class
          PID:4152
      • C:\Windows\explorer.exe
        explorer.exe
        1⤵
        • Modifies Installed Components in the registry
        • Enumerates connected drives
        • Checks SCSI registry key(s)
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:4384
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {9BA05972-F6A8-11CF-A442-00A0C90A8F39} -Embedding
        1⤵
          PID:4508
        • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
          "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
          1⤵
          • Modifies registry class
          • Suspicious use of SetWindowsHookEx
          PID:2276
        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
          1⤵
          • Suspicious use of SetWindowsHookEx
          PID:676

        Network

              MITRE ATT&CK Enterprise v15

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              Downloads

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                Filesize

                471B

                MD5

                62876997ebe1a7782b290d3e0b42cf5e

                SHA1

                125b7fcdd8b115731b16c4ddc12511ba9ef07b4b

                SHA256

                087ab6e9ddb7c92957c39f04bd236dd4d69bc67aefeed8318ba3e3305fd80232

                SHA512

                aa760e4e27f58d798b025f61ccfa11fcf364fbe6a06f2e3c9b855e4ad1386334e0d23783bc980787c3c492746f307a68d7e26e49e444b45923c5a578ac4a2240

                Download Submit

              • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_D46D6FA25B74360E1349F9015B5CCE53
                Filesize

                412B

                MD5

                c51b3d4f85a9f2dd0ec172d1f8a702fd

                SHA1

                5893610985f26dac6845b4a7a004f806305bd371

                SHA256

                ccdeb5e07b869e7d89b36db7669ac051ddcc55fbeb2df2d3aca4773cca205ea6

                SHA512

                ae958459b9cdccba3d07971a4ac03ab1cc760ddce1b3ee8dd06aef1ee649b43b2867c2bf5980d01f4df76b39ad269b9cf57eee8e019ca039787c8165eb6dee72

                Download Submit

              • C:\Users\Admin\AppData\Local\IconCache.db
                Filesize

                18KB

                MD5

                b097f37cea050ff4067311b074ddee91

                SHA1

                0558ff639baf91b49e7c048a857beb832d02b578

                SHA256

                9ef77be702c3ef32bb14a18ca71eb7d314be0aabf8602394b91e2ae5fd8c62dc

                SHA512

                e1e8a450d536dd907f65576ceeb823dc25e9b6127785e56bbbca4f95fadab2a43665a9f649f90d634250525b91a929f364a90fe6217bb4a05dabbc2eb7617cc0

                Download Submit

              • C:\Users\Admin\AppData\Local\Microsoft\PenWorkspace\DiscoverCacheData.dat
                Filesize

                1022B

                MD5

                3569b094c988984a8924960cf4d8e697

                SHA1

                533a5f320e86df5a7fddaed86f62e34f71a728e3

                SHA256

                1eafa0dd6cdb6b4ed03898ce4c11e2fe87d3bbaa8bba336a96066774356b221c

                SHA512

                7350d9d8d6dca5d3106fdcb1e1e267f5e9e35e9e18d58f8740bbe3389ee07e3b0b456fa557e6600032961b2b4e4d12d2eb9e3246b1982d58d9c5510f7f4ed633

                Download Submit

              • C:\Users\Admin\AppData\Local\Temp\{6CD13A5D-582E-42E8-BAD7-DB54BC90AB03}.png
                Filesize

                6KB

                MD5

                099ba37f81c044f6b2609537fdb7d872

                SHA1

                470ef859afbce52c017874d77c1695b7b0f9cb87

                SHA256

                8c98c856e4d43f705ff9a5c9a55f92e1885765654912b4c75385c3ea2fdef4a7

                SHA512

                837e1ad7fe4f5cbc0a87f3703ba211c18f32b20df93b23f681cbd0390d8077adba64cf6454a1bb28df1f7df4cb2cdc021d826b6ef8db890e40f21d618d5eb07a

                Download Submit

              • memory/944-11-0x0000000004230000-0x0000000004231000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4172-30-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-41-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-5-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-6-0x0000000001090000-0x0000000001091000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4172-4-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-2-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-64-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-1-0x0000000002960000-0x0000000002970000-memory.dmp

                Filesize

                64KB

                Download

              • memory/4172-0-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-31-0x0000000002960000-0x0000000002970000-memory.dmp

                Filesize

                64KB

                Download

              • memory/4172-32-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-39-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-40-0x0000000001090000-0x0000000001091000-memory.dmp

                Filesize

                4KB

                Download

              • memory/4172-16-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-48-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-49-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-50-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-51-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-56-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-57-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-58-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-61-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-62-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4172-63-0x0000000000400000-0x0000000000A35000-memory.dmp

                Filesize

                6.2MB

                Download

              • memory/4384-22-0x00000000045F0000-0x00000000045F1000-memory.dmp

                Filesize

                4KB

                Download