Analysis
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max time kernel
29s -
max time network
76s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
15-07-2021 18:34
Behavioral task
behavioral1
Sample
banload.msi
Resource
win7v20210410
Behavioral task
behavioral2
Sample
banload.msi
Resource
win10v20210408
Errors
General
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Target
banload.msi
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Size
309KB
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MD5
495a4543965b4a92c6314294b338602f
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SHA1
a520425e51ae8211ddc85566111d204282e493df
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SHA256
154080c5844ed76332320fcf3f1773391d80200f18f9025fd05b55b86f8ff795
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SHA512
ddba1d22bb8cf1f4a0bc5dbc8c19087b908370d464b1a64683d69f5553a8da99650fe0ea0d88f5cfab14a37a0bfa5fdf0a9435d05a368efb40cb16c2ac4c9efb
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
MsiExec.exeflow pid process 4 1768 MsiExec.exe -
Loads dropped DLL 2 IoCs
Processes:
MsiExec.exepid process 1768 MsiExec.exe 1768 MsiExec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\AdminfS1hl© = "\"C:\\AdminfS1hl©\\cLHd2©.exe\"" reg.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
msiexec.exemsiexec.exedescription ioc process File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Z: msiexec.exe -
Drops file in Windows directory 8 IoCs
Processes:
msiexec.exedescription ioc process File created C:\Windows\Installer\f74cdeb.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSID136.tmp msiexec.exe File opened for modification C:\Windows\Installer\f74cdeb.ipi msiexec.exe File created C:\Windows\Installer\f74cde9.msi msiexec.exe File opened for modification C:\Windows\Installer\f74cde9.msi msiexec.exe File opened for modification C:\Windows\Installer\MSICEA5.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSID01C.tmp msiexec.exe -
Modifies registry key 1 TTPs 1 IoCs
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Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
msiexec.exepid process 1988 msiexec.exe 1988 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
Processes:
msiexec.exemsiexec.exeshutdown.exedescription pid process Token: SeShutdownPrivilege 2016 msiexec.exe Token: SeIncreaseQuotaPrivilege 2016 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeSecurityPrivilege 1988 msiexec.exe Token: SeCreateTokenPrivilege 2016 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2016 msiexec.exe Token: SeLockMemoryPrivilege 2016 msiexec.exe Token: SeIncreaseQuotaPrivilege 2016 msiexec.exe Token: SeMachineAccountPrivilege 2016 msiexec.exe Token: SeTcbPrivilege 2016 msiexec.exe Token: SeSecurityPrivilege 2016 msiexec.exe Token: SeTakeOwnershipPrivilege 2016 msiexec.exe Token: SeLoadDriverPrivilege 2016 msiexec.exe Token: SeSystemProfilePrivilege 2016 msiexec.exe Token: SeSystemtimePrivilege 2016 msiexec.exe Token: SeProfSingleProcessPrivilege 2016 msiexec.exe Token: SeIncBasePriorityPrivilege 2016 msiexec.exe Token: SeCreatePagefilePrivilege 2016 msiexec.exe Token: SeCreatePermanentPrivilege 2016 msiexec.exe Token: SeBackupPrivilege 2016 msiexec.exe Token: SeRestorePrivilege 2016 msiexec.exe Token: SeShutdownPrivilege 2016 msiexec.exe Token: SeDebugPrivilege 2016 msiexec.exe Token: SeAuditPrivilege 2016 msiexec.exe Token: SeSystemEnvironmentPrivilege 2016 msiexec.exe Token: SeChangeNotifyPrivilege 2016 msiexec.exe Token: SeRemoteShutdownPrivilege 2016 msiexec.exe Token: SeUndockPrivilege 2016 msiexec.exe Token: SeSyncAgentPrivilege 2016 msiexec.exe Token: SeEnableDelegationPrivilege 2016 msiexec.exe Token: SeManageVolumePrivilege 2016 msiexec.exe Token: SeImpersonatePrivilege 2016 msiexec.exe Token: SeCreateGlobalPrivilege 2016 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeRestorePrivilege 1988 msiexec.exe Token: SeTakeOwnershipPrivilege 1988 msiexec.exe Token: SeShutdownPrivilege 1156 shutdown.exe Token: SeRemoteShutdownPrivilege 1156 shutdown.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
msiexec.exeMsiExec.exepid process 2016 msiexec.exe 1768 MsiExec.exe 1768 MsiExec.exe 1768 MsiExec.exe 2016 msiexec.exe -
Suspicious use of WriteProcessMemory 23 IoCs
Processes:
msiexec.exeMsiExec.execmd.execmd.exedescription pid process target process PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1988 wrote to memory of 1768 1988 msiexec.exe MsiExec.exe PID 1768 wrote to memory of 1908 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 1908 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 1908 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 1908 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 748 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 748 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 748 1768 MsiExec.exe cmd.exe PID 1768 wrote to memory of 748 1768 MsiExec.exe cmd.exe PID 1908 wrote to memory of 1084 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1084 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1084 1908 cmd.exe reg.exe PID 1908 wrote to memory of 1084 1908 cmd.exe reg.exe PID 748 wrote to memory of 1156 748 cmd.exe shutdown.exe PID 748 wrote to memory of 1156 748 cmd.exe shutdown.exe PID 748 wrote to memory of 1156 748 cmd.exe shutdown.exe PID 748 wrote to memory of 1156 748 cmd.exe shutdown.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\banload.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
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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
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F800DF5CDBF50E1799D0D78152D0A8862⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C start /MIN reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "AdminfS1hl©" /t reg_sz /d "\"C:\AdminfS1hl©\cLHd2©.exe\"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "AdminfS1hl©" /t reg_sz /d "\"C:\AdminfS1hl©\cLHd2©.exe\"4⤵
- Adds Run key to start application
- Modifies registry key
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /C start /MIN shutdown -r -f -t 20 -c "Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas..."3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\shutdown.exeshutdown -r -f -t 20 -c "Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas..."4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wlrmdr.exe-s -1 -f 2 -t You are about to be logged off -m Windows will shut down in less than a minute. -a 31⤵
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C:\Windows\system32\wlrmdr.exe-s -1 -f 2 -t You are about to be logged off -m Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas... -a 31⤵
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\Installer\MSICEA5.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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C:\Windows\Installer\MSID01C.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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\Windows\Installer\MSICEA5.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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\Windows\Installer\MSID01C.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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memory/748-69-0x0000000000000000-mapping.dmp
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memory/1084-70-0x0000000000000000-mapping.dmp
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memory/1156-71-0x0000000000000000-mapping.dmp
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memory/1356-77-0x0000000002730000-0x0000000002731000-memory.dmpFilesize
4KB
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memory/1672-73-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1692-75-0x00000000027C0000-0x00000000027C1000-memory.dmpFilesize
4KB
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memory/1768-62-0x0000000076A81000-0x0000000076A83000-memory.dmpFilesize
8KB
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memory/1768-61-0x0000000000000000-mapping.dmp
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memory/1768-67-0x00000000023C0000-0x000000000300A000-memory.dmpFilesize
12.3MB
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memory/1908-68-0x0000000000000000-mapping.dmp
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memory/2016-59-0x000007FEFC471000-0x000007FEFC473000-memory.dmpFilesize
8KB