Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    03/02/2026, 02:51

General

  • Target
    action1_agent(My_Organization).msi
  • Size 6.4MB
  • Sample260203-dcdx2agy5c
  • SHA256 6a02721f5227dc764b66cc48dd46e75385d2bb10b0e0aadeb8f82fea54ddaab7
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 3 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 14 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 3 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
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 9 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\action1_agent(My_Organization).msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:4624
  • 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:1140
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:788
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 769451861921DE9FDE293A6DDF483DEA
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4216
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FC0FEF04F31FAC2E3C19DB79804A32E7 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:5020
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 84CBE8A879A3C85BD7A5FA58839D2312 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5332
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4880
    • 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
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1576
      • 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_1770087141.log" ALLOWRESTRICTEDVERSIONS=1
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3204
    • C:\Windows\Action1\action1_agent.exe
      C:\Windows\Action1\action1_agent.exe service
      1⤵
      • Drops file in Windows directory
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4864
      • 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:3876
      • 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:2036
        • C:\Windows\Action1\action1_agent.exe
          "C:\Windows\Action1\action1_agent.exe" loggedonuser
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:2796
      • 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:4252

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e58e319.rbs

          • Path C:\Config.Msi\e58e319.rbs
          • Size 240KB
          • SHA256 e8985eac56a93190a04b986e854ae2ef5269673882a7595f7f473237b8f72bc1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e31a.rbs

          • Path C:\Config.Msi\e58e31a.rbs
          • Size 7KB
          • SHA256 3c846a50a6425c8e381ca255c9d8a37ba905a577895e8c4e57b954ec96932d03
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e31f.rbs

          • Path C:\Config.Msi\e58e31f.rbs
          • Size 246KB
          • SHA256 3ca8e6b24696962e46f13de725faa51d64a28ddbff6b3d48b2398dc28b4ba06e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e325.rbs

          • Path C:\Config.Msi\e58e325.rbs
          • Size 8KB
          • SHA256 dc68d28b6f1c98c03c8229d51942962ba0293caa4ebb4fac35beeefe54a765c8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e329.rbf

          • Path C:\Config.Msi\e58e329.rbf
          • Size 3B
          • SHA256 13bf7b3039c63bf5a50491fa3cfd8eb4e699d1ba1436315aef9cbe5711530354
          • MD5 SHA1 SHA512

          e58e32a.rbs

          • Path C:\Config.Msi\e58e32a.rbs
          • Size 1KB
          • SHA256 94c094870424150ab3db6eb0686fb3693dabae028e61eb57a7b9b1e8f6d2372e
          • MD5 SHA1 SHA512 TLSH

          e58e32b.rbs

          • Path C:\Config.Msi\e58e32b.rbs
          • Size 7KB
          • SHA256 feb5b9eefa720de8b4e920e22a31eee8fb3c7a94c9c1170ceb9d77409bc832c2
          • MD5 SHA1 SHA512 SSDEEP TLSH

          18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
          • Size 765B
          • SHA256 c51adb0cdaf5ef53cbc3484c4c1fd5857075b86ae3b261768efce56540d26579
          • MD5 SHA1 SHA512 TLSH

          3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87
          • Size 637B
          • SHA256 c0f692caf7908214134245789052573329ce2a1b45ff0a872e4712156cb1d0ec
          • MD5 SHA1 SHA512 TLSH

          B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
          • Size 1KB
          • SHA256 f185d774e14018f9168c148160b08cacdde50afe2fe6c1d2f2aa54f306afcd9f
          • MD5 SHA1 SHA512 TLSH

          18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\18E6B4A57A6BC7EC9B861CDF2D6D0D02_EF52C1EC85F21F31CC0157A5C8803013
          • Size 484B
          • SHA256 a5c15e1f80d00b3c8bdb3d6566af6106b222edac891c91b46e4f3ad0675a2ac9
          • MD5 SHA1 SHA512 TLSH

          3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\3AA0DCD5A74331FBD6F344550EC48B87_FAB5A9F6C6BE3394975FF948CA40CA87
          • Size 488B
          • SHA256 d6996c670dc3f64b208966466068851d00aacc9839ddbae5598bfebd7e0a13ef
          • MD5 SHA1 SHA512 TLSH

          B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_93702E680A5530C052C8D2BA33A2225F
          • Size 482B
          • SHA256 3def232b8e513299a4f671afda93cbefac285adc975691719d33f101d55c0f48
          • MD5 SHA1 SHA512 TLSH

          7z.dll

          • Path C:\Windows\Action1\7z.dll
          • Size 1.2MB
          • SHA256 9d5eb586d110759ef5cb3403cda57c060567a703115e9bc66819c9638294664c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_agent.exe

          • Path C:\Windows\Action1\action1_agent.exe
          • Size 8.3MB
          • SHA256 371db1fccf5743d5a3ff3161b20557f045a4c5ccf8a8bfdc3388f4d3c7173a37
          • 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.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 9f7125f869316c8a80402afcff018baa6291d4175950261ebef519ee06bd8c56
          • MD5 SHA1 SHA512 SSDEEP TLSH

          action1_remote.exe

          • Path C:\Windows\Action1\action1_remote.exe
          • Size 1.5MB
          • SHA256 84f9e22a5f457274b80bc978cfd07a8d6597fcfc4557e2386e5e609dc46991de
          • MD5 SHA1 SHA512 SSDEEP TLSH

          advanced_settings.json

          • Path C:\Windows\Action1\advanced_settings.json
          • Size 46KB
          • SHA256 1cdce8f4cd613234bbb1de304cffd7d30183f12a01c963616e4bbeeac880d586
          • MD5 SHA1 SHA512 SSDEEP TLSH

          agent_cdm_not_downloading.threshold

          • Path C:\Windows\Action1\agent_cdm_not_downloading.threshold
          • Size 888B
          • SHA256 4286f914ebfe98fde1b20ff3b3618ebd2fee78b8bffba69c2f367943a37b6d4e
          • MD5 SHA1 SHA512 TLSH

          agent_downgrade.version_pair

          • Path C:\Windows\Action1\agent_downgrade.version_pair
          • Size 73B
          • SHA256 c9cf7ba4757eabd25142a469d1e7112e27cae8b9225489756be18da2d1b53ec2
          • MD5 SHA1 SHA512 TLSH

          first_install

          • Path C:\Windows\Action1\first_install
          • Size 50B
          • SHA256 fae5bc494c3ccd80a3bb4e575515d896ec09d832cde4a5cbb34ed0ff1ca8845c
          • MD5 SHA1 SHA512 TLSH

          agent_install_1770087141.log

          • Path C:\Windows\Action1\logs\agent_install_1770087141.log
          • Size 1KB
          • SHA256 d256486635c4b9a858c0d3627c0854969e2be05473a1d43c001bf33aa9725102
          • MD5 SHA1 SHA512 TLSH

          CLOUD_2ba943b0-85b6-11ef-b9af-69a8758f6819_1728420293483_builtin.result

          • Path C:\Windows\Action1\package_downloads\CLOUD_2ba943b0-85b6-11ef-b9af-69a8758f6819_1728420293483_builtin.result
          • Size 65B
          • SHA256 3372d33f6ca092169fd75742394e22c2ea359b30713e6d7335f93099e7286b75
          • MD5 SHA1 SHA512 TLSH

          CLOUD_41c128e0-463e-11f0-b241-d13f758cf27c_1749589365358_builtin.result

          • Path C:\Windows\Action1\package_downloads\CLOUD_41c128e0-463e-11f0-b241-d13f758cf27c_1749589365358_builtin.result
          • Size 65B
          • SHA256 aff3f2c28da7327906c4114a7f4f84e675414c3c4997da5416e4e80a4af799c8
          • 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 2e7cd2b48880898969bf0a353c328245fa4ddd7bad502cb4aea7f63816607e17
          • MD5 SHA1 SHA512 TLSH

          MSI9EF.tmp

          • Path C:\Windows\Installer\MSI9EF.tmp
          • Size 385KB
          • SHA256 626a4e7060bd9b789795804e8b6497743c11d61c7353fb68798dd0bc76152cae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE412.tmp

          • Path C:\Windows\Installer\MSIE412.tmp
          • Size 379KB
          • SHA256 d7b6867d5bcd9ec42c32d82a145949cfb6c1e4557c1dbcccd7407209810b2e54
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSIE53D.tmp

          • Path C:\Windows\Installer\MSIE53D.tmp
          • Size 234KB
          • SHA256 78860e15e474cc2af7ad6e499a8971b6b8197afb8e49a1b9eaaa392e4378f3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e58e318.msi

          • Path C:\Windows\Installer\e58e318.msi
          • Size 6.4MB
          • SHA256 6a02721f5227dc764b66cc48dd46e75385d2bb10b0e0aadeb8f82fea54ddaab7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ProductIcon

          • Path C:\Windows\Installer\{105F3C06-87D1-4863-91B3-ED4EA297A0B4}\ProductIcon
          • Size 32KB
          • SHA256 7a214ccfe309e4c0c83f40d9b7c92e3d41206db734401e7227ef10b38064ca9d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          __PSScriptPolicyTest_xtrsgb5x.24g.ps1

          • Path C:\Windows\Temp\__PSScriptPolicyTest_xtrsgb5x.24g.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 85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c
          • MD5 SHA1 SHA512 TLSH

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 64B
          • SHA256 3e924ababbd0ecfe9a78b082145a5d86b63313fe037c854691575c908fa8d907
          • MD5 SHA1 SHA512

          StartupProfileData-NonInteractive

          • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 498ed72ca69ff988c096485f22609d6edd0969e05b7f29be088c40c7c9c91c36
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 a620e47c91fcebfa3946efedaf5f34385fcabd81a511ae02cf57a58a610e9e5a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {6d1458ed-633f-48c7-a713-0f691046786b}_OnDiskSnapshotProp

          • Path \??\Volume{a6d9cdad-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{6d1458ed-633f-48c7-a713-0f691046786b}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 8ab89dbd033dc4095aafe2debbe1995bc3eff73a415abb37c70bbfec255c5e72
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3876-236-0x000002436C8D0000-0x000002436C8F2000-memory.dmp

          memory/4252-483-0x000001DDF1F60000-0x000001DDF2013000-memory.dmp

          memory/4252-486-0x000001DDF21B0000-0x000001DDF21D4000-memory.dmp

          memory/4252-485-0x000001DDF21B0000-0x000001DDF21DA000-memory.dmp

          memory/4252-484-0x000001DDF2020000-0x000001DDF202A000-memory.dmp

          memory/4252-482-0x000001DDF1F40000-0x000001DDF1F5C000-memory.dmp