Analysis
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max time kernel
122s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240221-es -
resource tags
arch:x64arch:x86image:win7-20240221-eslocale:es-esos:windows7-x64systemwindows -
submitted
27-03-2024 18:57
Static task
static1
Behavioral task
behavioral1
Sample
Visualizar-PDF.38105.msi
Resource
win7-20240221-es
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
Visualizar-PDF.38105.msi
Resource
win10v2004-20240226-es
windows10-2004-x64
11 signatures
150 seconds
General
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Target
Visualizar-PDF.38105.msi
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Size
732KB
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MD5
bf440e49375e237d109f66a7cee79fc1
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SHA1
32ee9706c1d532867af3ded30dfd67aea596028c
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SHA256
4e085dd4d721815f4757f125761fddbf42d7d672380eb6627efd138c21146e42
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SHA512
88d503d2dc8cd9970eeb489e89b772c8a56abe831c6aebae1b39824e22b913bc61ec42c3715b60ee3ec51afdeb809ba039fc5a59a85343c328d9d9f06b50baaf
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SSDEEP
12288:UvXCtQ6QsN5lNOsw6vAUnBU7qax0EzIVYgvfVYsAgkWZT:UmQxsNcswvEU7J8VlvfVYsAgvZT
Score
7/10
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AOVBIJNJYT.lnk MsiExec.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-778096762-2241304387-192235952-1000\Software\Microsoft\Windows\CurrentVersion\Run\AOVBIJNJYT = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\AOVBIJNJYT.lnk" MsiExec.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 3 2704 MsiExec.exe -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI9D7A.tmp msiexec.exe File created C:\Windows\Installer\f768d18.msi msiexec.exe File opened for modification C:\Windows\Installer\f768d16.ipi msiexec.exe File created C:\Windows\Installer\f768d13.msi msiexec.exe File opened for modification C:\Windows\Installer\f768d13.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI90FB.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI8D71.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI907E.tmp msiexec.exe File created C:\Windows\Installer\f768d16.ipi msiexec.exe -
Loads dropped DLL 3 IoCs
pid Process 2704 MsiExec.exe 2704 MsiExec.exe 2704 MsiExec.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3008 msiexec.exe 3008 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2252 msiexec.exe Token: SeIncreaseQuotaPrivilege 2252 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeSecurityPrivilege 3008 msiexec.exe Token: SeCreateTokenPrivilege 2252 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2252 msiexec.exe Token: SeLockMemoryPrivilege 2252 msiexec.exe Token: SeIncreaseQuotaPrivilege 2252 msiexec.exe Token: SeMachineAccountPrivilege 2252 msiexec.exe Token: SeTcbPrivilege 2252 msiexec.exe Token: SeSecurityPrivilege 2252 msiexec.exe Token: SeTakeOwnershipPrivilege 2252 msiexec.exe Token: SeLoadDriverPrivilege 2252 msiexec.exe Token: SeSystemProfilePrivilege 2252 msiexec.exe Token: SeSystemtimePrivilege 2252 msiexec.exe Token: SeProfSingleProcessPrivilege 2252 msiexec.exe Token: SeIncBasePriorityPrivilege 2252 msiexec.exe Token: SeCreatePagefilePrivilege 2252 msiexec.exe Token: SeCreatePermanentPrivilege 2252 msiexec.exe Token: SeBackupPrivilege 2252 msiexec.exe Token: SeRestorePrivilege 2252 msiexec.exe Token: SeShutdownPrivilege 2252 msiexec.exe Token: SeDebugPrivilege 2252 msiexec.exe Token: SeAuditPrivilege 2252 msiexec.exe Token: SeSystemEnvironmentPrivilege 2252 msiexec.exe Token: SeChangeNotifyPrivilege 2252 msiexec.exe Token: SeRemoteShutdownPrivilege 2252 msiexec.exe Token: SeUndockPrivilege 2252 msiexec.exe Token: SeSyncAgentPrivilege 2252 msiexec.exe Token: SeEnableDelegationPrivilege 2252 msiexec.exe Token: SeManageVolumePrivilege 2252 msiexec.exe Token: SeImpersonatePrivilege 2252 msiexec.exe Token: SeCreateGlobalPrivilege 2252 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe Token: SeRestorePrivilege 3008 msiexec.exe Token: SeTakeOwnershipPrivilege 3008 msiexec.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2252 msiexec.exe 2704 MsiExec.exe 2252 msiexec.exe -
Suspicious use of SendNotifyMessage 1 IoCs
pid Process 2704 MsiExec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29 PID 3008 wrote to memory of 2704 3008 msiexec.exe 29
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\Visualizar-PDF.38105.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2252
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 5CBA278189B7155E0EDF0359BBD751852⤵
- Drops startup file
- Adds Run key to start application
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2704
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD5ebd3bcd8899b05060dca3dbe7200fbb3
SHA14e90f8222352b702274a8cc1b90bc773138e1522
SHA256367168309c5bf97005bac401008d2b61704722a91b0f1e1fd87555af52333e04
SHA51249e47c2311d00c32b4203155bd0057c7fa6038ab9864e15d95754b4c8b11ec811de7ebde6bc9a313f26ec499ea75c593d276f94f8e6fa945c63727f5676a497f
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Filesize
393KB
MD53d24a2af1fb93f9960a17d6394484802
SHA1ee74a6ceea0853c47e12802961a7a8869f7f0d69
SHA2568d23754e6b8bb933d79861540b50deca42e33ac4c3a6669c99fb368913b66d88
SHA512f6a19d00896a63debb9ee7cdd71a92c0a3089b6f4c44976b9c30d97fcbaacd74a8d56150be518314fac74dd3ebea2001dc3859b0f3e4e467a01721b29f6227ba
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Filesize
320KB
MD516203547b643cecb28b7294574dd56a8
SHA12c0e5cb16eb1228655f585bddae9bea45ac145aa
SHA2563c5d0d154383fc71c78dcf0e6220b7e6388d8c50e9135227933ea5016e51c18f
SHA5124b8d4cefd8ad821038267b18ab6f08238061b145f3bb6db8f7bd866266189f4f4333bfb61c5e0bd2d1a93fa6e05534e0b3339a37ad68e80eb01d8cc140d854a5
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Filesize
128KB
MD52ca416d2c77464e249ab5fb10a300612
SHA1d5a3dbaf21b593d46981f5bdf5db52d79ab41d31
SHA2566ccee7d499ce5ac751d5be9dfe3774139b8add74ebe65904a922c612bd7fe04a
SHA512cc612eec446219f36ac640ed0a958f07c2618666ba2e572323c68cb79819f6f01578dfff7b4400dfba89bbabd724bc2f205a05f0b7bfc90f579be09100a14d53