Analysis
- max time kernel
139s - max time network
112s - platform
windows10-2004_x64 - resource
win10v2004-20240426-es - resource tags
arch:x64arch:x86image:win10v2004-20240426-eslocale:es-esos:windows10-2004-x64systemwindows - submitted
18/05/2024, 20:32
Behavioral task
behavioral1
Sample
a1b3c334db545aaf83e573c915d23e4eefae734970ad6895a67a7b97279c24f8.msi
Resource
win7-20240221-es
windows7-x64
16 signatures
150 seconds
Behavioral task
behavioral2
Sample
a1b3c334db545aaf83e573c915d23e4eefae734970ad6895a67a7b97279c24f8.msi
Resource
win10v2004-20240426-es
windows10-2004-x64
10 signatures
150 seconds
General
- Target a1b3c334db545aaf83e573c915d23e4eefae734970ad6895a67a7b97279c24f8.msi
- Size 22.9MB
- Sample240518-zbkvvaef69
- SHA256 a1b3c334db545aaf83e573c915d23e4eefae734970ad6895a67a7b97279c24f8
- MD5 1a526ef8e0d93204cf570fe413be69cf
- SHA1 4eac6841481e6b35f48c38bb8cf64ebb3878fc04
- SHA512 5ebf90213460c9b92401da2d7765af19305e977d8ea6a10e3c7b435a73a010f2e0fa418a932ab7f5dc0aaa025123a1bfc5a8105edb42b5ec424690585026c85e
- SSDEEP 393216:xopaHTAZuGS1jOXNl/BXbcl0Xrz8o04Z:7LmBV04Z
- MD5 SHA1 SHA512 SSDEEP
Score
6/10
Malware Config
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 6 4008 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) \??\M: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\H: msiexec.exe - Drops file in Windows directory 12 IoCs
description ioc Process File created C:\Windows\Installer\SourceHash{M3JHSTI7-P6TK-NHC7-T0IJ-QOXNJIV1TT5D} msiexec.exe File opened for modification C:\Windows\Installer\MSI5EFD.tmp msiexec.exe File opened for modification C:\Windows\Installer\e575bfb.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI5C78.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI5DA3.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\e575bfb.msi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI5D34.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI5DD2.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI5EBE.tmp msiexec.exe - Loads dropped DLL 5 IoCs
pid Process 4008 MsiExec.exe 4008 MsiExec.exe 4008 MsiExec.exe 4008 MsiExec.exe 4008 MsiExec.exe - Program crash 1 IoCs
pid pid_target Process procid_target 1636 4008 WerFault.exe 86 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1768 msiexec.exe 1768 msiexec.exe - Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeShutdownPrivilege 5088 msiexec.exe Token: SeIncreaseQuotaPrivilege 5088 msiexec.exe Token: SeSecurityPrivilege 1768 msiexec.exe Token: SeCreateTokenPrivilege 5088 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 5088 msiexec.exe Token: SeLockMemoryPrivilege 5088 msiexec.exe Token: SeIncreaseQuotaPrivilege 5088 msiexec.exe Token: SeMachineAccountPrivilege 5088 msiexec.exe Token: SeTcbPrivilege 5088 msiexec.exe Token: SeSecurityPrivilege 5088 msiexec.exe Token: SeTakeOwnershipPrivilege 5088 msiexec.exe Token: SeLoadDriverPrivilege 5088 msiexec.exe Token: SeSystemProfilePrivilege 5088 msiexec.exe Token: SeSystemtimePrivilege 5088 msiexec.exe Token: SeProfSingleProcessPrivilege 5088 msiexec.exe Token: SeIncBasePriorityPrivilege 5088 msiexec.exe Token: SeCreatePagefilePrivilege 5088 msiexec.exe Token: SeCreatePermanentPrivilege 5088 msiexec.exe Token: SeBackupPrivilege 5088 msiexec.exe Token: SeRestorePrivilege 5088 msiexec.exe Token: SeShutdownPrivilege 5088 msiexec.exe Token: SeDebugPrivilege 5088 msiexec.exe Token: SeAuditPrivilege 5088 msiexec.exe Token: SeSystemEnvironmentPrivilege 5088 msiexec.exe Token: SeChangeNotifyPrivilege 5088 msiexec.exe Token: SeRemoteShutdownPrivilege 5088 msiexec.exe Token: SeUndockPrivilege 5088 msiexec.exe Token: SeSyncAgentPrivilege 5088 msiexec.exe Token: SeEnableDelegationPrivilege 5088 msiexec.exe Token: SeManageVolumePrivilege 5088 msiexec.exe Token: SeImpersonatePrivilege 5088 msiexec.exe Token: SeCreateGlobalPrivilege 5088 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe Token: SeRestorePrivilege 1768 msiexec.exe Token: SeTakeOwnershipPrivilege 1768 msiexec.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5088 msiexec.exe 5088 msiexec.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 4008 MsiExec.exe 4008 MsiExec.exe 4008 MsiExec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1768 wrote to memory of 4008 1768 msiexec.exe 86 PID 1768 wrote to memory of 4008 1768 msiexec.exe 86 PID 1768 wrote to memory of 4008 1768 msiexec.exe 86
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\a1b3c334db545aaf83e573c915d23e4eefae734970ad6895a67a7b97279c24f8.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:5088
-
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:1768 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 2CD15073FA1FFC2618F27A40B0B658B92⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
PID:4008 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4008 -s 12643⤵
- Program crash
PID:1636
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4008 -ip 40081⤵PID:2120
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Windows\Installer\MSI5C78.tmp
- Size 554KB
- SHA256 bb9a3c8972d89ad03c1dee3e91f03a13aca8d370185ac521b8c48040cc285ef4
- MD5 3b171ce087bb799aafcbbd93bab27f71
- SHA1 7bd69efbc7797bdff5510830ca2cc817c8b86d08
- SHA512 7700d86f6f2c6798bed1be6cd651805376d545f48f0a89c08f7032066431cb4df980688a360c44275b8d7f8010769dc236fbdaa0184125d016acdf158989ee38
- SSDEEP 6144:3C36NNwIFqS6ZjRjr+hCfK3oQJY4bGvNq9AOD+Zr5k9PmaI3xM:3C360SCj1rIoQJrUq9MR5SmaI3xM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI5EFD.tmp
- Size 21.8MB
- SHA256 3c1db818b1d35baa6aa32d24012c41dd2f0ad45a300713366fd4a850695123a9
- MD5 6aef22a7a79011375c339df8e1dfb7e2
- SHA1 40bb0afaf2c9e249632c938c1c4cf67691dbd5af
- SHA512 2ab05a71c23cbcb23b823b80edfafd3f326ede8c08ef87244d385706733ccf2fe8b70822e67d6fc5c5c83274910a2738647e169aa16ff61394b209af591c011d
- SSDEEP 196608:SpNH0H1hK0AZZIiLS1Rt5IX39l/BVpbcl02Erz+2gBq04:SpaHTAZuGS1jOXNl/BXbcl0Xrz8o04
- MD5 SHA1 SHA512 SSDEEP