Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/09/2026, 00:26

General

  • Target
    Teamsetup.msi
  • Size 8.4MB
  • Sample260930-arcfzatbkh
  • SHA256 5e1b079595dbafd5c166c730d12a233646003cc36081db4ed2619449392c95b5
  • 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.

  • Loads dropped DLL 8 IoCs
  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in Windows directory 11 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.

  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 4 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\Teamsetup.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:5420
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5192
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 6A06749DFD7EA8281088B448EA390802
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:5104
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIEBB3.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240708781 2 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.GenerateAgentId
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:2940
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIEE25.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240709156 6 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.ShouldContinueInstallation
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Drops file in Windows directory
        • Reads the TCP/IP host and domain name from the registry
        • Suspicious use of AdjustPrivilegeToken
        PID:3568
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5200

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
        • Size 471B
        • SHA256 9c08ef6834cc261f297bf8a1e2c48e479b7f347c0798445a83ad78658a683fc6
        • MD5 SHA1 SHA512 TLSH

        8EC9B1D0ABBD7F98B401D425828828CE_6FBFBE34ABAF2109B411B965FB39009E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_6FBFBE34ABAF2109B411B965FB39009E
        • Size 727B
        • SHA256 7906364cd76f19600c6f51218f889c61b77d96f1b7b18390fe8b3a54d4488b75
        • MD5 SHA1 SHA512 TLSH

        C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
        • Size 727B
        • SHA256 42ea121e9943144096ecbd14e65f5ea268b8a2928785224ab79f016ead851f2f
        • MD5 SHA1 SHA512 TLSH

        698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\698460A0B6E60F2F602361424D832905_8BB23D43DE574E82F2BEE0DF0EC47EEB
        • Size 400B
        • SHA256 330342f77af92b1a9652ce344a1884f797b35e09dc7988600254cef7161de351
        • MD5 SHA1 SHA512 TLSH

        8EC9B1D0ABBD7F98B401D425828828CE_6FBFBE34ABAF2109B411B965FB39009E

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_6FBFBE34ABAF2109B411B965FB39009E
        • Size 408B
        • SHA256 7b9cea30cf14ebeef1c4310f3d7e84b9dfc50af0216df5f95647d9e11a2f5115
        • MD5 SHA1 SHA512 TLSH

        C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141

        • Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141
        • Size 412B
        • SHA256 c6cec2e02e62b018d7dd73d5b93ce8df3d287331e70e93c2d8389f55c6e4992d
        • MD5 SHA1 SHA512 TLSH

        rundll32.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\rundll32.exe.log
        • Size 847B
        • SHA256 f0ab05c32d6af3c2b559dbce4dec025ce3e730655a2430ade520e89a557cace8
        • MD5 SHA1 SHA512 TLSH

        MSIEBB3.tmp

        • Path C:\Windows\Installer\MSIEBB3.tmp
        • Size 347KB
        • SHA256 fe4d083ad8ffdc12aa9b23e93293918481bc3138ddb5eb31495b29d4002ecfbb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CustomAction.config

        • Path C:\Windows\Installer\SFXCA75AC1262174AC2A9FB13F718128E5C4A\CustomAction.config
        • Size 956B
        • SHA256 2dbc73a3bc444a9119c9b5e20276698384d9ad9535a8a7547c44d1b9a8d67346
        • MD5 SHA1 SHA512 TLSH

        WixToolset.Dtf.WindowsInstaller.dll

        • Path C:\Windows\Installer\SFXCA75AC1262174AC2A9FB13F718128E5C4A\WixToolset.Dtf.WindowsInstaller.dll
        • Size 193KB
        • SHA256 a614884ea627da1925131ebf41e8ae202caeac0fe543b86384f5eb2bfaf1aa75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Atera.Agent.Installer.Msi.Ca.dll

        • Path C:\Windows\Installer\SFXCAF00BAF4EBB4610DA3D0FE56CE02B7562\Atera.Agent.Installer.Msi.Ca.dll
        • Size 74KB
        • SHA256 4e2215abb567b1eb19a896e844031f2b28bb42499af3d47ef902fad3a78674ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 24.1MB
        • SHA256 53c1a168aeea6d941bef850c7dccd6fd4df7b4168040b4bbc1c8ab2655c70d2d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {4c99ba22-9c25-4229-a683-5e2ddfbe79ab}_OnDiskSnapshotProp

        • Path \??\Volume{8860bf69-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{4c99ba22-9c25-4229-a683-5e2ddfbe79ab}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 743f1f3922349712ad0c9b0dc189f9a8bcc3b22568dbe992150505464c700b36
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/2940-37-0x000001DE3CDC0000-0x000001DE3CDD8000-memory.dmp

        memory/2940-33-0x000001DE3CDE0000-0x000001DE3CE14000-memory.dmp

        memory/3568-59-0x000001A0B9880000-0x000001A0B9892000-memory.dmp

        memory/3568-60-0x000001A0BA500000-0x000001A0BA53C000-memory.dmp