Analysis

  • user interaction
    yes
  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    02/11/2026, 08:19

General

  • Target
    AP_SEB_3.10.2.9999.msi
  • Size 185.6MB
  • Sample261102-j78c1sav8k
  • SHA256 b48c9b34aa1c02dbf9baf571326db9e1c9393a6390bc74cad68f78d6002a241d
  • 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 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 18 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

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

  • 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 3 IoCs
  • Modifies registry class 61 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 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\AP_SEB_3.10.2.9999.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1564
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4324
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4228
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3004
  • C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Service.exe
    "C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Service.exe"
    1⤵
    • Drops file in System32 directory
    • Executes dropped EXE
    • Loads dropped DLL
    • Reads the TCP/IP host and domain name from the registry
    PID:1532
  • C:\Program Files\SafeExamBrowser\Configuration\SEBConfigTool.exe
    "C:\Program Files\SafeExamBrowser\Configuration\SEBConfigTool.exe"
    1⤵
    • Executes dropped EXE
    PID:5356
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:5636

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e5a0f16.rbs

          • Path C:\Config.Msi\e5a0f16.rbs
          • Size 96KB
          • SHA256 8d7415b3ddb480f6f40a6e2edde1a57f62daee160b61cca29473895274cd8152
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ta_MASCULINE.pak

          • Path C:\Program Files\SafeExamBrowser\Application\locales\ta_MASCULINE.pak
          • Size 18B
          • SHA256 ca73097bd968b363b7145e86b64f3c595e533808b0763dc8863a27fc363cfa51
          • MD5 SHA1 SHA512

          SEBConfigTool.exe

          • Path C:\Program Files\SafeExamBrowser\Configuration\SEBConfigTool.exe
          • Size 767KB
          • SHA256 62315bcd1a00259b3d58d240d2569283d43c55ea66a0fe47d104e40065b08f6f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SEBConfigTool.exe.config

          • Path C:\Program Files\SafeExamBrowser\Configuration\SEBConfigTool.exe.config
          • Size 1KB
          • SHA256 69a3a0d5a2c55f25007d4cbb358360c118ab21ea3f9eb4cc284f77a3b72a217a
          • MD5 SHA1 SHA512 TLSH

          SEBConfigTool.pdb

          • Path C:\Program Files\SafeExamBrowser\Configuration\SEBConfigTool.pdb
          • Size 461KB
          • SHA256 4e863bd7f1298e334a17d67ceb41437f7704be734cf5e89f2f1a006739e4b84e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Communication.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Communication.Contracts.dll
          • Size 35KB
          • SHA256 40e788ab60b810f007f348bb7e48ba84421df9b9d6b2bc07c4db6baa33d41275
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Communication.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Communication.dll
          • Size 37KB
          • SHA256 e2a71dca19937e2c1bf5ce0e2d8563aa9ecbb983e617b5c1dd9ad7b2d21d2e0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Configuration.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Configuration.Contracts.dll
          • Size 27KB
          • SHA256 07db00bca51f64d3f29d907ab7578e1c8bc88ab9c73c53a891a4448bbea9225f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Core.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Core.Contracts.dll
          • Size 18KB
          • SHA256 80f4f66cee400de42cd3f315f870434506beb62c75856e43cab79ab02abf58e3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Core.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Core.dll
          • Size 21KB
          • SHA256 d782b6e7a498cc08704ab0e4fbddc670f5feb46c4ede8cdd6043655c2f9176b5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.I18n.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.I18n.Contracts.dll
          • Size 27KB
          • SHA256 6a3f6697cccec4e2c3267bdb2fb33c8106e8dee1e18ce4345d45133bf5b815a1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Lockdown.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Lockdown.Contracts.dll
          • Size 16KB
          • SHA256 7056eeba4ad5374f626214183ec0082a185f2e2bf87c65393022217592207d59
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Lockdown.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Lockdown.dll
          • Size 40KB
          • SHA256 68af7fed47dbbb790adf0a487d674345fbeb0397e38fae7c544bb6f7d7fbdd98
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Logging.Contracts.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Logging.Contracts.dll
          • Size 15KB
          • SHA256 59bbc2f35a43365de946dc18d5cad6cf730f1601cea13a9ecccfd12aaa5a4d9e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Logging.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Logging.dll
          • Size 21KB
          • SHA256 afeab7c442eec21dceb5d509f5d3a2e579caa1c0c1df47205f022f12fee2dd09
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Service.exe

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Service.exe
          • Size 395KB
          • SHA256 05e0f06ada206028e5597c58f5305b36ceb095417c8387d2cc2088fc452577d5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SafeExamBrowser.Service.exe.config

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Service.exe.config
          • Size 184B
          • SHA256 16286566d54d81c3721f7ecf7f426d965de364e9be2f9e628d7363b684b6fe6a
          • MD5 SHA1 SHA512 TLSH

          SafeExamBrowser.Settings.dll

          • Path C:\Program Files\SafeExamBrowser\Service\SafeExamBrowser.Settings.dll
          • Size 56KB
          • SHA256 3ba7d4ea5edd7a6937f3ac4eeabe91af67d98b3c2eb55b6d3933fec01965b883
          • MD5 SHA1 SHA512 SSDEEP TLSH

          698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
          • Size 471B
          • SHA256 774203ea9ed53b626aa394ccbd3fe79aea2aa04b0682e81596a382656488252f
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_433F7DF124D6DBC620D75BD5D9026593

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_433F7DF124D6DBC620D75BD5D9026593
          • Size 727B
          • SHA256 0fbe0e5fd8d98fefaa5300c2f7fb36bc017cbe90042e0d37f4970e2fd88a5392
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 727B
          • SHA256 5ed6e3278d522b55a451b979c6976812b6d4c8fe921b5fed6f8ebb57d5981a71
          • MD5 SHA1 SHA512 TLSH

          698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
          • Size 400B
          • SHA256 ddf3ff593c343ef5f4700ca8e87b3ccfc6ccf72c5bd8ff6a6cb05d32072d1e46
          • MD5 SHA1 SHA512 TLSH

          8EC9B1D0ABBD7F98B401D425828828CE_433F7DF124D6DBC620D75BD5D9026593

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_433F7DF124D6DBC620D75BD5D9026593
          • Size 408B
          • SHA256 550ef5fea9a2befdd4745424fec67c6da03860e07026bf6b4b4832db406fa228
          • MD5 SHA1 SHA512 TLSH

          C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

          • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
          • Size 412B
          • SHA256 28005384a9e80cd5840811844eef4632a96d8a96546a566d52931de4feb9786b
          • MD5 SHA1 SHA512 TLSH

          SebConfig.log

          • Path C:\Users\Admin\AppData\Roaming\SafeExamBrowser\SebConfig.log
          • Size 3KB
          • SHA256 d189af766b32d76f9ae8b29f671b3f23e14974fece26475f34e64ccf8dab9030
          • MD5 SHA1 SHA512 TLSH

          SebConfig.log

          • Path C:\Users\Admin\AppData\Roaming\SafeExamBrowser\SebConfig.log
          • Size 3KB
          • SHA256 952da6ba9fbef978b37ca103105910365958b5321650af3d5b102f694cbcc74b
          • MD5 SHA1 SHA512 TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 ff1c34edf893b82718539e7112a13048b8f4c84340961ff6610034ff1f95d3d1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {034679c7-fc48-4fe7-b5d8-1da7333fa5f0}_OnDiskSnapshotProp

          • Path \??\Volume{ed77d9b0-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{034679c7-fc48-4fe7-b5d8-1da7333fa5f0}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 bd0110f4920845cf1cdf2a64a31a1ba4322db5df7d0e7bd35eb6fab1b3926a63
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1532-464-0x0000016744B80000-0x0000016744B8C000-memory.dmp

          memory/1532-506-0x0000016744D40000-0x0000016744D48000-memory.dmp

          memory/1532-484-0x0000016744BD0000-0x0000016744BE0000-memory.dmp

          memory/1532-499-0x0000016744D50000-0x0000016744D58000-memory.dmp

          memory/1532-501-0x0000016744F10000-0x0000016744F4C000-memory.dmp

          memory/1532-502-0x0000016744ED0000-0x0000016744EE2000-memory.dmp

          memory/1532-488-0x0000016744D00000-0x0000016744D08000-memory.dmp

          memory/1532-480-0x0000016744BC0000-0x0000016744BC6000-memory.dmp

          memory/1532-508-0x000001675D810000-0x000001675D91A000-memory.dmp

          memory/1532-460-0x0000016744B70000-0x0000016744B76000-memory.dmp

          memory/1532-468-0x0000016744B90000-0x0000016744B9A000-memory.dmp

          memory/1532-472-0x0000016744BA0000-0x0000016744BA6000-memory.dmp

          memory/1532-452-0x0000016744220000-0x0000016744284000-memory.dmp

          memory/1532-476-0x0000016744BB0000-0x0000016744BB8000-memory.dmp

          memory/1532-456-0x0000016744B60000-0x0000016744B6C000-memory.dmp

          memory/5356-528-0x0000014934480000-0x0000014934540000-memory.dmp