Analysis
- max time kernel
120s - max time network
122s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
08/10/2021, 15:17
Static task
static1
Behavioral task
behavioral1
Sample
1d9e579c286369209274d6a3dc4199ec.msi
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
1d9e579c286369209274d6a3dc4199ec.msi
Resource
win10-en-20210920
windows10_x64
0 signatures
0 seconds
General
- Target 1d9e579c286369209274d6a3dc4199ec.msi
- Size 264KB
- Sample211008-sn34maefgp
- SHA256 ed67426b28e7013c1552aa7ba950f97f3671bc1e97ee56b4ca81f3efd5ec795f
- MD5 1d9e579c286369209274d6a3dc4199ec
- SHA1 e11f4ac27bc7f7dc17ec0177448f384ebfebc593
- SHA512 7b3a816256c70cbffaaf49be8affd7da2483027ecb095242d6e7101fa10575e5a5b35eabe75a287f8bf307ad028e3de7e549f826ce4e8c74201010a8ab869307
- MD5 SHA1 SHA512
Score
8/10
Malware Config
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 11 1012 MsiExec.exe - Executes dropped EXE 1 IoCs
pid Process 396 EjBEc.exe - Loads dropped DLL 5 IoCs
pid Process 1012 MsiExec.exe 1012 MsiExec.exe 396 EjBEc.exe 2376 iexplore.exe 2376 iexplore.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Admin-_61nFiV3E4 = "\"C:\\Users\\Admin\\Saved Games\\Admin FnrnH\\EjBEc.exe\"" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run iexplore.exe - Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: 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) \??\L: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: 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) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe - Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\Installer\f75a0b5.msi msiexec.exe File opened for modification C:\Windows\Installer\f75a0b5.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\MSIA123.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIA4FC.tmp msiexec.exe File created C:\Windows\Installer\SourceHash{83928917-E7FB-4346-B916-F59BC1BDB7A9} msiexec.exe File opened for modification C:\Windows\Installer\MSIA6E.tmp msiexec.exe - Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString iexplore.exe Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 iexplore.exe - Enumerates system info in registry 2 TTPs 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS iexplore.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer iexplore.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName iexplore.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion iexplore.exe - Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\(Padrão) 2 = "EjBEc" EjBEc.exe Set value (str) \REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Control Panel\(Padrão) 3 = "C:\\Users\\Admin\\Saved Games\\Admin FnrnH\\" EjBEc.exe - Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 11 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 988 msiexec.exe 988 msiexec.exe 988 msiexec.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe 2376 iexplore.exe - Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2012 msiexec.exe Token: SeIncreaseQuotaPrivilege 2012 msiexec.exe Token: SeSecurityPrivilege 988 msiexec.exe Token: SeCreateTokenPrivilege 2012 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2012 msiexec.exe Token: SeLockMemoryPrivilege 2012 msiexec.exe Token: SeIncreaseQuotaPrivilege 2012 msiexec.exe Token: SeMachineAccountPrivilege 2012 msiexec.exe Token: SeTcbPrivilege 2012 msiexec.exe Token: SeSecurityPrivilege 2012 msiexec.exe Token: SeTakeOwnershipPrivilege 2012 msiexec.exe Token: SeLoadDriverPrivilege 2012 msiexec.exe Token: SeSystemProfilePrivilege 2012 msiexec.exe Token: SeSystemtimePrivilege 2012 msiexec.exe Token: SeProfSingleProcessPrivilege 2012 msiexec.exe Token: SeIncBasePriorityPrivilege 2012 msiexec.exe Token: SeCreatePagefilePrivilege 2012 msiexec.exe Token: SeCreatePermanentPrivilege 2012 msiexec.exe Token: SeBackupPrivilege 2012 msiexec.exe Token: SeRestorePrivilege 2012 msiexec.exe Token: SeShutdownPrivilege 2012 msiexec.exe Token: SeDebugPrivilege 2012 msiexec.exe Token: SeAuditPrivilege 2012 msiexec.exe Token: SeSystemEnvironmentPrivilege 2012 msiexec.exe Token: SeChangeNotifyPrivilege 2012 msiexec.exe Token: SeRemoteShutdownPrivilege 2012 msiexec.exe Token: SeUndockPrivilege 2012 msiexec.exe Token: SeSyncAgentPrivilege 2012 msiexec.exe Token: SeEnableDelegationPrivilege 2012 msiexec.exe Token: SeManageVolumePrivilege 2012 msiexec.exe Token: SeImpersonatePrivilege 2012 msiexec.exe Token: SeCreateGlobalPrivilege 2012 msiexec.exe Token: SeRestorePrivilege 988 msiexec.exe Token: SeTakeOwnershipPrivilege 988 msiexec.exe Token: SeRestorePrivilege 988 msiexec.exe Token: SeTakeOwnershipPrivilege 988 msiexec.exe Token: SeRestorePrivilege 988 msiexec.exe Token: SeTakeOwnershipPrivilege 988 msiexec.exe Token: SeRestorePrivilege 988 msiexec.exe Token: SeTakeOwnershipPrivilege 988 msiexec.exe Token: SeIncreaseQuotaPrivilege 1228 WMIC.exe Token: SeSecurityPrivilege 1228 WMIC.exe Token: SeTakeOwnershipPrivilege 1228 WMIC.exe Token: SeLoadDriverPrivilege 1228 WMIC.exe Token: SeSystemProfilePrivilege 1228 WMIC.exe Token: SeSystemtimePrivilege 1228 WMIC.exe Token: SeProfSingleProcessPrivilege 1228 WMIC.exe Token: SeIncBasePriorityPrivilege 1228 WMIC.exe Token: SeCreatePagefilePrivilege 1228 WMIC.exe Token: SeBackupPrivilege 1228 WMIC.exe Token: SeRestorePrivilege 1228 WMIC.exe Token: SeShutdownPrivilege 1228 WMIC.exe Token: SeDebugPrivilege 1228 WMIC.exe Token: SeSystemEnvironmentPrivilege 1228 WMIC.exe Token: SeRemoteShutdownPrivilege 1228 WMIC.exe Token: SeUndockPrivilege 1228 WMIC.exe Token: SeManageVolumePrivilege 1228 WMIC.exe Token: 33 1228 WMIC.exe Token: 34 1228 WMIC.exe Token: 35 1228 WMIC.exe Token: 36 1228 WMIC.exe Token: SeRestorePrivilege 988 msiexec.exe Token: SeTakeOwnershipPrivilege 988 msiexec.exe Token: SeIncreaseQuotaPrivilege 1228 WMIC.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 2012 msiexec.exe 1012 MsiExec.exe 2012 msiexec.exe - Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 988 wrote to memory of 1012 988 msiexec.exe 72 PID 988 wrote to memory of 1012 988 msiexec.exe 72 PID 988 wrote to memory of 1012 988 msiexec.exe 72 PID 1012 wrote to memory of 1228 1012 MsiExec.exe 73 PID 1012 wrote to memory of 1228 1012 MsiExec.exe 73 PID 1012 wrote to memory of 1228 1012 MsiExec.exe 73 PID 396 wrote to memory of 2376 396 EjBEc.exe 77 PID 396 wrote to memory of 2376 396 EjBEc.exe 77 PID 396 wrote to memory of 2376 396 EjBEc.exe 77 PID 396 wrote to memory of 2376 396 EjBEc.exe 77
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\1d9e579c286369209274d6a3dc4199ec.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2012
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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:988 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 1489C72C80AD5A23EE9D48F09E9313A02⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Windows\SysWOW64\Wbem\WMIC.exe"C:\Windows\System32\Wbem\WMIC.exe" process call create 'C:\Users\Admin\Saved Games\Admin FnrnH\EjBEc.exe'3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1228
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C:\Users\Admin\Saved Games\Admin FnrnH\EjBEc.exe"C:\Users\Admin\Saved Games\Admin FnrnH\EjBEc.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:396 -
C:\Program Files (x86)\Internet explorer\iexplore.exe"C:\Program Files (x86)\Internet explorer\iexplore.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
PID:2376
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