Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14/10/2023, 20:07

General

  • Target

    7z2201-x64.msi

  • Size

    1.8MB

  • MD5

    50515f156ae516461e28dd453230d448

  • SHA1

    3209574e09ec235b2613570e6d7d8d5058a64971

  • SHA256

    f4afba646166999d6090b5beddde546450262dc595dddeb62132da70f70d14ca

  • SHA512

    14593ca96d416a2fbb6bbbf8adec51978e6c0fb513882d5442ab5876e28dd79be14ca9dd77acff2d3d329cb7733f7e969e784c57e1f414d00f3c7b9d581638e5

  • SSDEEP

    49152:ynV9R5GSuwYgV4mN4eOYq4Z0APsx/Eho:ynV9Ro/mTlbqC04s/

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 16 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 7 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 51 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\7z2201-x64.msi
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2152
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2380
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2808
  • C:\Windows\system32\DrvInst.exe
    DrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005AC" "000000000000059C"
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:2900

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Program Files\7-Zip\7z.dll

          Filesize

          1.6MB

          MD5

          72491c7b87a7c2dd350b727444f13bb4

          SHA1

          1e9338d56db7ded386878eab7bb44b8934ab1bc7

          SHA256

          34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

          SHA512

          583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

        • \Program Files\7-Zip\7z.dll

          Filesize

          1.6MB

          MD5

          72491c7b87a7c2dd350b727444f13bb4

          SHA1

          1e9338d56db7ded386878eab7bb44b8934ab1bc7

          SHA256

          34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

          SHA512

          583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

        • \Program Files\7-Zip\7z.dll

          Filesize

          1.6MB

          MD5

          72491c7b87a7c2dd350b727444f13bb4

          SHA1

          1e9338d56db7ded386878eab7bb44b8934ab1bc7

          SHA256

          34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

          SHA512

          583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

        • \Program Files\7-Zip\7z.dll

          Filesize

          1.6MB

          MD5

          72491c7b87a7c2dd350b727444f13bb4

          SHA1

          1e9338d56db7ded386878eab7bb44b8934ab1bc7

          SHA256

          34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891

          SHA512

          583d0859d29145dfc48287c5a1b459e5db4e939624bd549ff02c61eae8a0f31fc96a509f3e146200cdd4c93b154123e5adfbfe01f7d172db33968155189b5511

        • \Program Files\7-Zip\7z.exe

          Filesize

          458KB

          MD5

          619f7135621b50fd1900ff24aade1524

          SHA1

          6c7ea8bbd435163ae3945cbef30ef6b9872a4591

          SHA256

          344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

          SHA512

          2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

        • \Program Files\7-Zip\7z.exe

          Filesize

          458KB

          MD5

          619f7135621b50fd1900ff24aade1524

          SHA1

          6c7ea8bbd435163ae3945cbef30ef6b9872a4591

          SHA256

          344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

          SHA512

          2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

        • \Program Files\7-Zip\7z.exe

          Filesize

          458KB

          MD5

          619f7135621b50fd1900ff24aade1524

          SHA1

          6c7ea8bbd435163ae3945cbef30ef6b9872a4591

          SHA256

          344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

          SHA512

          2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

        • \Program Files\7-Zip\7z.exe

          Filesize

          458KB

          MD5

          619f7135621b50fd1900ff24aade1524

          SHA1

          6c7ea8bbd435163ae3945cbef30ef6b9872a4591

          SHA256

          344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2

          SHA512

          2c7293c084d09bc2e3ae2d066dd7b331c810d9e2eeca8b236a8e87fdeb18e877b948747d3491fcaff245816507685250bd35f984c67a43b29b0ae31ecb2bd628

        • \Program Files\7-Zip\7zFM.exe

          Filesize

          847KB

          MD5

          c8f40f25f783a52262bdaedeb5555427

          SHA1

          e45e198607c8d7398745baa71780e3e7a2f6deca

          SHA256

          e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

          SHA512

          f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

        • \Program Files\7-Zip\7zFM.exe

          Filesize

          847KB

          MD5

          c8f40f25f783a52262bdaedeb5555427

          SHA1

          e45e198607c8d7398745baa71780e3e7a2f6deca

          SHA256

          e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

          SHA512

          f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

        • \Program Files\7-Zip\7zFM.exe

          Filesize

          847KB

          MD5

          c8f40f25f783a52262bdaedeb5555427

          SHA1

          e45e198607c8d7398745baa71780e3e7a2f6deca

          SHA256

          e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

          SHA512

          f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

        • \Program Files\7-Zip\7zFM.exe

          Filesize

          847KB

          MD5

          c8f40f25f783a52262bdaedeb5555427

          SHA1

          e45e198607c8d7398745baa71780e3e7a2f6deca

          SHA256

          e81b44ee7381ae3b630488b6fb7e3d9ffbdd9ac3032181d4ccaaff3409b57316

          SHA512

          f5944743f54028eb1dd0f2d68468726b177d33185324da0da96cdd20768bab4ca2e507ae9157b2733fd6240c920b7e15a5f5b9f284ee09d0fd385fc895b97191

        • \Program Files\7-Zip\7zG.exe

          Filesize

          568KB

          MD5

          04fb3ae7f05c8bc333125972ba907398

          SHA1

          df22612647e9404a515d48ebad490349685250de

          SHA256

          2fb898bacb587f2484c9c4aa6da2729079d93d1f923a017bb84beef87bf74fef

          SHA512

          94c164a0b884c939ece30f5038d07b756702998d46786f9f613fbea2eb30bed4bc19a409f347bb4cc565898473b18155d580b453683223beaf30ed4079c251b2

        • \Program Files\7-Zip\7zG.exe

          Filesize

          568KB

          MD5

          04fb3ae7f05c8bc333125972ba907398

          SHA1

          df22612647e9404a515d48ebad490349685250de

          SHA256

          2fb898bacb587f2484c9c4aa6da2729079d93d1f923a017bb84beef87bf74fef

          SHA512

          94c164a0b884c939ece30f5038d07b756702998d46786f9f613fbea2eb30bed4bc19a409f347bb4cc565898473b18155d580b453683223beaf30ed4079c251b2

        • \Program Files\7-Zip\7zG.exe

          Filesize

          568KB

          MD5

          04fb3ae7f05c8bc333125972ba907398

          SHA1

          df22612647e9404a515d48ebad490349685250de

          SHA256

          2fb898bacb587f2484c9c4aa6da2729079d93d1f923a017bb84beef87bf74fef

          SHA512

          94c164a0b884c939ece30f5038d07b756702998d46786f9f613fbea2eb30bed4bc19a409f347bb4cc565898473b18155d580b453683223beaf30ed4079c251b2

        • \Program Files\7-Zip\7zG.exe

          Filesize

          568KB

          MD5

          04fb3ae7f05c8bc333125972ba907398

          SHA1

          df22612647e9404a515d48ebad490349685250de

          SHA256

          2fb898bacb587f2484c9c4aa6da2729079d93d1f923a017bb84beef87bf74fef

          SHA512

          94c164a0b884c939ece30f5038d07b756702998d46786f9f613fbea2eb30bed4bc19a409f347bb4cc565898473b18155d580b453683223beaf30ed4079c251b2