Analysis
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max time kernel
35s -
max time network
44s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
16-07-2021 20:39
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
300KB
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MD5
d0bd80d612c1c80cfa645224ef8ec2b4
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SHA1
a1d3bb499cdd115c151cbcc3571a8835feecbd94
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SHA256
1b8f9447633021747685b230b426e4138d411a98240ebc040abdf25995065857
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SHA512
91491c7b54447fdebc75dd2f081cd90ffc909f8b6706c6a956bb88aad9bc712f97ec090304738b9bf2fb2ec8076c895694d44e26b7c1daba127ed109ddd00752
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
MsiExec.exeflow pid process 12 2876 MsiExec.exe -
Loads dropped DLL 2 IoCs
Processes:
MsiExec.exepid process 2876 MsiExec.exe 2876 MsiExec.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
reg.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run reg.exe Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Admin4NU2I© = "\"C:\\Admin4NU2I©\\RDmko©.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) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: 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) \??\N: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: 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) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\U: msiexec.exe -
Drops file in Windows directory 9 IoCs
Processes:
msiexec.exedescription ioc process File opened for modification C:\Windows\Installer\MSI9BF9.tmp msiexec.exe File created C:\Windows\Installer\f749204.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI92D0.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9A04.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\f749204.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\ msiexec.exe File created C:\Windows\Installer\SourceHash{3F619FA0-6D2A-41D7-8ED5-E5B522D88431} msiexec.exe -
Modifies data under HKEY_USERS 15 IoCs
Processes:
LogonUI.exedescription ioc process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.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 12 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
msiexec.exewlrmdr.exepid process 412 msiexec.exe 412 msiexec.exe 2852 wlrmdr.exe 2852 wlrmdr.exe -
Suspicious use of AdjustPrivilegeToken 48 IoCs
Processes:
msiexec.exemsiexec.exeshutdown.exedescription pid process Token: SeShutdownPrivilege 804 msiexec.exe Token: SeIncreaseQuotaPrivilege 804 msiexec.exe Token: SeSecurityPrivilege 412 msiexec.exe Token: SeCreateTokenPrivilege 804 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 804 msiexec.exe Token: SeLockMemoryPrivilege 804 msiexec.exe Token: SeIncreaseQuotaPrivilege 804 msiexec.exe Token: SeMachineAccountPrivilege 804 msiexec.exe Token: SeTcbPrivilege 804 msiexec.exe Token: SeSecurityPrivilege 804 msiexec.exe Token: SeTakeOwnershipPrivilege 804 msiexec.exe Token: SeLoadDriverPrivilege 804 msiexec.exe Token: SeSystemProfilePrivilege 804 msiexec.exe Token: SeSystemtimePrivilege 804 msiexec.exe Token: SeProfSingleProcessPrivilege 804 msiexec.exe Token: SeIncBasePriorityPrivilege 804 msiexec.exe Token: SeCreatePagefilePrivilege 804 msiexec.exe Token: SeCreatePermanentPrivilege 804 msiexec.exe Token: SeBackupPrivilege 804 msiexec.exe Token: SeRestorePrivilege 804 msiexec.exe Token: SeShutdownPrivilege 804 msiexec.exe Token: SeDebugPrivilege 804 msiexec.exe Token: SeAuditPrivilege 804 msiexec.exe Token: SeSystemEnvironmentPrivilege 804 msiexec.exe Token: SeChangeNotifyPrivilege 804 msiexec.exe Token: SeRemoteShutdownPrivilege 804 msiexec.exe Token: SeUndockPrivilege 804 msiexec.exe Token: SeSyncAgentPrivilege 804 msiexec.exe Token: SeEnableDelegationPrivilege 804 msiexec.exe Token: SeManageVolumePrivilege 804 msiexec.exe Token: SeImpersonatePrivilege 804 msiexec.exe Token: SeCreateGlobalPrivilege 804 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeRestorePrivilege 412 msiexec.exe Token: SeTakeOwnershipPrivilege 412 msiexec.exe Token: SeShutdownPrivilege 4032 shutdown.exe Token: SeRemoteShutdownPrivilege 4032 shutdown.exe -
Suspicious use of FindShellTrayWindow 5 IoCs
Processes:
msiexec.exeMsiExec.exepid process 804 msiexec.exe 2876 MsiExec.exe 2876 MsiExec.exe 2876 MsiExec.exe 804 msiexec.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
wlrmdr.exeLogonUI.exepid process 2852 wlrmdr.exe 736 LogonUI.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
msiexec.exeMsiExec.execmd.execmd.exedescription pid process target process PID 412 wrote to memory of 2876 412 msiexec.exe MsiExec.exe PID 412 wrote to memory of 2876 412 msiexec.exe MsiExec.exe PID 412 wrote to memory of 2876 412 msiexec.exe MsiExec.exe PID 2876 wrote to memory of 2260 2876 MsiExec.exe cmd.exe PID 2876 wrote to memory of 2260 2876 MsiExec.exe cmd.exe PID 2876 wrote to memory of 2260 2876 MsiExec.exe cmd.exe PID 2876 wrote to memory of 2120 2876 MsiExec.exe cmd.exe PID 2876 wrote to memory of 2120 2876 MsiExec.exe cmd.exe PID 2876 wrote to memory of 2120 2876 MsiExec.exe cmd.exe PID 2120 wrote to memory of 4032 2120 cmd.exe shutdown.exe PID 2120 wrote to memory of 4032 2120 cmd.exe shutdown.exe PID 2120 wrote to memory of 4032 2120 cmd.exe shutdown.exe PID 2260 wrote to memory of 3904 2260 cmd.exe reg.exe PID 2260 wrote to memory of 3904 2260 cmd.exe reg.exe PID 2260 wrote to memory of 3904 2260 cmd.exe reg.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 EFA77A23B3C33577CBAFD0165A4139C82⤵
- 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 "Admin4NU2I©" /t reg_sz /d "\"C:\Admin4NU2I©\RDmko©.exe\"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Admin4NU2I©" /t reg_sz /d "\"C:\Admin4NU2I©\RDmko©.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're about to be signed out -m Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas... -a 31⤵
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C:\Windows\system32\wlrmdr.exe-s -1 -f 2 -t You're about to be signed out -m Windows atualizado com sucesso,o computador será reiniciado,para aplicar as atualizações instaladas... -a 31⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x0 /state0:0xa3ad2855 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Windows\Installer\MSI92D0.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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C:\Windows\Installer\MSI9A04.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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\Windows\Installer\MSI92D0.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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\Windows\Installer\MSI9A04.tmpMD5
9f1e5d66c2889018daef4aef604eebc4
SHA1b80294261c8a1635e16e14f55a3d76889ff2c857
SHA25602a81aea451cdfa2cd6668e3b814c4e50c6025e36b70ab972a8cc68aba5b3222
SHA5128f8cbba79d2b6541e8b603a4a395cb938d77c358563bd745449bfee107ee64b88254a79ca5dd72fa05798a75c1464e7cca52556829f258009a3d33c9c3c5d39b
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memory/2120-126-0x0000000000000000-mapping.dmp
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memory/2260-125-0x0000000000000000-mapping.dmp
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memory/2876-118-0x0000000000000000-mapping.dmp
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memory/3904-128-0x0000000000000000-mapping.dmp
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memory/4032-127-0x0000000000000000-mapping.dmp