Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/10/2026, 06:14

General

  • Target
    Approved%20Document%23D53LU.msi
  • Size 6.8MB
  • Sample261030-gzedvsdd63
  • SHA256 3be3e7a45994dffd41af96f3b8852674272e6dbaaca2dcd0b84296e136a9c6c5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 System32 directory 15 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Windows directory 64 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • System Location Discovery: System Language Discovery 1 TTPs 7 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 data under HKEY_USERS 64 IoCs
  • Modifies registry class 46 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 10 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\Approved%20Document%23D53LU.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4404
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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:1484
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:4152
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 8DAEB063FAF5325F07ED9CDF676AB679
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4312
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 91ADE57C4E2D3541872B3FC69351F655 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3288
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding CD3698FB5B9C0A31E5C0969857DA3800 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4036
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4112
    • C:\Windows\Action1\action1_agent.exe
      C:\Windows\Action1\action1_agent.exe service
      1⤵
      • Drops file in System32 directory
      • Drops file in Windows directory
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "$ExecutionContext.SessionState.LanguageMode"
        2⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2516
      • C:\Windows\SysWOW64\msiexec.exe
        C:\Windows\system32\msiexec.exe /I "C:\Windows\Action1\action1_agent.msi" /quiet /qn /norestart /lv* "C:\Windows\Action1\logs\agent_install_1793340907.log" ALLOWRESTRICTEDVERSIONS=1
        2⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1256
    • C:\Windows\Action1\action1_agent.exe
      C:\Windows\Action1\action1_agent.exe service
      1⤵
      • Drops file in Windows directory
      • Executes dropped EXE
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2000
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command "$ExecutionContext.SessionState.LanguageMode"
        2⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:3404
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command -
        2⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1412
        • C:\Windows\Action1\action1_agent.exe
          "C:\Windows\Action1\action1_agent.exe" loggedonuser
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:720
      • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\sysnative\WindowsPowerShell\v1.0\powershell.exe" -NoLogo -NonInteractive -NoProfile -ExecutionPolicy Bypass -Command -
        2⤵
        • Drops file in System32 directory
        • Command and Scripting Interpreter: PowerShell
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:3756

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e596950.rbs

          • Path C:\Config.Msi\e596950.rbs
          • Size 240KB
          • SHA256 defc6947d2f23ff2fde3bf9679fb06b4c205e6e2704c238c6fa6e569c93b72ff
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e596951.rbs

          • Path C:\Config.Msi\e596951.rbs
          • Size 7KB
          • SHA256 7c9c23ef8105bd510d0dfdabaf6ad2c14ea3c5fb5526653a9bb92d3bf3554120
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e596956.rbs

          • Path C:\Config.Msi\e596956.rbs
          • Size 246KB
          • SHA256 324868844fd8c00cc9b538b21b752b2b1206b74f4d8efff83276e6f40e2adca7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59695b.rbs

          • Path C:\Config.Msi\e59695b.rbs
          • Size 8KB
          • SHA256 a80a80bcfdab312a7d4711159b5ac93fc8e99758d21800dc3c30e88a2b7f6233
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59695e.rbf

          • Path C:\Config.Msi\e59695e.rbf
          • Size 3B
          • SHA256 13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354
          • MD5 SHA1 SHA512

          e59695f.rbs

          • Path C:\Config.Msi\e59695f.rbs
          • Size 1KB
          • SHA256 9b141c25682aeaa80d80a62fae785187e4ded9d34510a7bc69c6e03942dafec4
          • MD5 SHA1 SHA512 TLSH

          e596960.rbs

          • Path C:\Config.Msi\e596960.rbs
          • Size 7KB
          • SHA256 991dd65a9f019f42d1cfcd45b4a27f4d5b7589e8ee5b3c86f374786a77f4a534
          • MD5 SHA1 SHA512 SSDEEP TLSH

          18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
          • Size 765B
          • SHA256 f8caf3e1526569d23605d27c58cd6917ee1234ae37a6aec6f47f1ec250eb615c
          • MD5 SHA1 SHA512 TLSH

          3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87
          • Size 637B
          • SHA256 b31bc7e4562b3db34c0051089e9007080316634efc38e6902b2d2729d0174bc5
          • MD5 SHA1 SHA512 TLSH

          18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
          • Size 484B
          • SHA256 f29c9bfc321d0890735581d5d8891a7a19e866437ab1d771c3182d44a4eab5ff
          • MD5 SHA1 SHA512 TLSH

          3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87
          • Size 488B
          • SHA256 90fea86184359208df681d60578e28a8a1c8b7cc166c1e62d616da0a92eb60dc
          • MD5 SHA1 SHA512 TLSH

          7z.dll

          • Path C:\Windows\Action1\7z.dll
          • Size 1.3MB
          • SHA256 87aae6d4af8f028f080147e4cb0c42fff76c46fe8813c8b5dffd32d2bc566afd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe

          • Path C:\Windows\Action1\action1_agent.exe
          • Size 8.9MB
          • SHA256 bdaf0c46119913e3636524f2a353f3fdaef30d6bf3efb168a20edd6dd10809bd
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe

          • Path C:\Windows\Action1\action1_agent.exe
          • Size 8.9MB
          • SHA256 941695d20d82dd5d62f74b0111feb23720637202f6c797df2a02e2cb6cb6e8e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe.connection

          • Path C:\Windows\Action1\action1_agent.exe.connection
          • Size 2B
          • SHA256 565339bc4d33d72817b583024112eb7f5cdf3e5eef0252d6ec1b9c9a94e12bb3
          • MD5 SHA1 SHA512

          action1_agent.exe.update_state

          • Path C:\Windows\Action1\action1_agent.exe.update_state
          • Size 1B
          • SHA256 7902699be42c8a8e46fbbb4501726517e86b22c56a189f7625a6da49081b2451
          • MD5 SHA1 SHA512

          action1_agent.msi

          • Path C:\Windows\Action1\action1_agent.msi
          • Size 6.8MB
          • SHA256 d9a41402fbadd6fcc55b91aa4e635812feb5ce2da4d35a3af23ffe9e3fd88189
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_remote.exe

          • Path C:\Windows\Action1\action1_remote.exe
          • Size 1.5MB
          • SHA256 eb77e754e3b6c4d93fa4697bcdf02871be7b30b69ca0855a5df79f9404fdb3e8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          advanced_settings.json

          • Path C:\Windows\Action1\advanced_settings.json
          • Size 54KB
          • SHA256 ea7691de74db2ae40f1ff3700dfb9d4cbf423457d290b9006e4cba85c079f653
          • MD5 SHA1 SHA512 SSDEEP TLSH

          agent_downgrade.version_pair

          • Path C:\Windows\Action1\agent_downgrade.version_pair
          • Size 71B
          • SHA256 69ee65764c9f9617f96ddfe4dfd9054fc70a40d67919773b00abebe00b80abfc
          • MD5 SHA1 SHA512 TLSH

          first_install

          • Path C:\Windows\Action1\first_install
          • Size 50B
          • SHA256 7736e9009996de893de04351a1fdb2fc45a27ab0b7e98643f730f42d87d8ced7
          • MD5 SHA1 SHA512 TLSH

          agent_install_1793340907.log

          • Path C:\Windows\Action1\logs\agent_install_1793340907.log
          • Size 1KB
          • SHA256 003bb4141ae4ad1d787f3bb731ea8a3894e2b84d7fe2737a449d734a614d2ea0
          • MD5 SHA1 SHA512 TLSH

          sas.dll

          • Path C:\Windows\Action1\sas.dll
          • Size 8KB
          • SHA256 996b01e15f85e165899630721a141b178a9c372b6e878012180ec9e9d4e7bd06
          • MD5 SHA1 SHA512 SSDEEP TLSH

          what_is_this.txt

          • Path C:\Windows\Action1\what_is_this.txt
          • Size 1KB
          • SHA256 735dd20b8dcd387bf04a6deb30ad2b26b97402fc12287edacaef6d998f093b87
          • MD5 SHA1 SHA512 TLSH

          MSI6AE5.tmp

          • Path C:\Windows\Installer\MSI6AE5.tmp
          • Size 385KB
          • SHA256 626a4e7060bd9b789795804e8b6497743c11d61c7353fb68798dd0bc76152cae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6D97.tmp

          • Path C:\Windows\Installer\MSI6D97.tmp
          • Size 234KB
          • SHA256 78860e15e474cc2af7ad6e499a8971b6b8197afb8e49a1b9eaaa392e4378f3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI8DE4.tmp

          • Path C:\Windows\Installer\MSI8DE4.tmp
          • Size 387KB
          • SHA256 ca5f0275e70ec5ba65b74c3da74f489018bc143c4c405fd8bbc6519eadac2a22
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e596952.msi

          • Path C:\Windows\Installer\e596952.msi
          • Size 6.8MB
          • SHA256 3be3e7a45994dffd41af96f3b8852674272e6dbaaca2dcd0b84296e136a9c6c5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ProductIcon

          • Path C:\Windows\Installer\{E6D8B066-2E74-458F-9111-24857C1C627A}\ProductIcon
          • Size 32KB
          • SHA256 7a214ccfe309e4c0c83f40d9b7c92e3d41206db734401e7227ef10b38064ca9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_e3svpxdt.bbn.ps1

          • Path C:\Windows\Temp\__PSScriptPolicyTest_e3svpxdt.bbn.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512 TLSH

          powershell.exe.log

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
          • Size 2KB
          • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 83e613b6dc8d70e3bb67c58535e014f58f3e8b2921e93b55137d799fc8c56391
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 726d2b3a5003e478f61d3626a078477d2ce3caa24520bafefc1750edd68ef617
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.1MB
          • SHA256 28294dc28dfb5506351f8f565f47acf8d97d584372c837d69ae38a7cf197d79a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {c5bc3cdd-d8be-4b28-9b2d-a887cb15abd5}_OnDiskSnapshotProp

          • Path \??\Volume{9f840213-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{c5bc3cdd-d8be-4b28-9b2d-a887cb15abd5}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 4e555c9a6a92736fdd3ff1affefa2bc01352f7e16b1c5a28043dd678c4f7cb5b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1412-307-0x000002546BF50000-0x000002546C16C000-memory.dmp

          memory/1412-308-0x000002546C470000-0x000002546C5BE000-memory.dmp

          memory/2516-52-0x0000021762240000-0x0000021762262000-memory.dmp

          memory/3404-236-0x000001B0F9350000-0x000001B0F949E000-memory.dmp

          memory/3756-329-0x000001E55CF40000-0x000001E55D08E000-memory.dmp

          memory/3756-328-0x000001E55CC20000-0x000001E55CE3C000-memory.dmp

          memory/3756-337-0x000001E55CF40000-0x000001E55D08E000-memory.dmp

          memory/3756-339-0x000001E55CF40000-0x000001E55D08E000-memory.dmp