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Analysis
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max time kernel
150s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
15/10/2023, 19:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
bcb07215167cca65d7fa20884c819f20_exe32.exe
Resource
win7-20230831-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
bcb07215167cca65d7fa20884c819f20_exe32.exe
Resource
win10v2004-20230915-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
bcb07215167cca65d7fa20884c819f20_exe32.exe
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Size
516KB
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MD5
bcb07215167cca65d7fa20884c819f20
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SHA1
236f145456a6bb808aea131a44e0051899bb725d
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SHA256
513a984b5de35c83558f0c0d336619b0fb0a00f5ecd2fc4ccfabcf3d8ef191ac
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SHA512
cace699ecbaa398c7f15de5c1ce38f7bd66cfc3179047c55b9fa1416bc0d8483d843d01c38be403342a7390617f3b5d526df1c2e8ff8aca23f21fe2f49cc2ff5
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SSDEEP
12288:1emPl1dtgvyiPiAw/P6mlZoLoWZerTdZKP9DOMAw:MExmvNPxw/7XoUWumxft
Score
10/10
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 8 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bcb07215167cca65d7fa20884c819f20_exe32.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run bcb07215167cca65d7fa20884c819f20_exe32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" bcb07215167cca65d7fa20884c819f20_exe32.exe -
Modifies Installed Components in the registry 2 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{72EDD76C-E87E-A45B-6AEC-A51DBBD1BE6A} bcb07215167cca65d7fa20884c819f20_exe32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{72EDD76C-E87E-A45B-6AEC-A51DBBD1BE6A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" bcb07215167cca65d7fa20884c819f20_exe32.exe Key created \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{72EDD76C-E87E-A45B-6AEC-A51DBBD1BE6A} bcb07215167cca65d7fa20884c819f20_exe32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Active Setup\Installed Components\{72EDD76C-E87E-A45B-6AEC-A51DBBD1BE6A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" bcb07215167cca65d7fa20884c819f20_exe32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" bcb07215167cca65d7fa20884c819f20_exe32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe" bcb07215167cca65d7fa20884c819f20_exe32.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1648 set thread context of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 3032 reg.exe 2752 reg.exe 1960 reg.exe 2792 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeCreateTokenPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeAssignPrimaryTokenPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeLockMemoryPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeIncreaseQuotaPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeMachineAccountPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeTcbPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeSecurityPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeTakeOwnershipPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeLoadDriverPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeSystemProfilePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeSystemtimePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeProfSingleProcessPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeIncBasePriorityPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeCreatePagefilePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeCreatePermanentPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeBackupPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeRestorePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeShutdownPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeDebugPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeAuditPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeSystemEnvironmentPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeChangeNotifyPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeRemoteShutdownPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeUndockPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeSyncAgentPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeEnableDelegationPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeManageVolumePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeImpersonatePrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: SeCreateGlobalPrivilege 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: 31 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: 32 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: 33 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: 34 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe Token: 35 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 1648 wrote to memory of 2184 1648 bcb07215167cca65d7fa20884c819f20_exe32.exe 28 PID 2184 wrote to memory of 2096 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 29 PID 2184 wrote to memory of 2096 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 29 PID 2184 wrote to memory of 2096 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 29 PID 2184 wrote to memory of 2096 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 29 PID 2184 wrote to memory of 2392 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 31 PID 2184 wrote to memory of 2392 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 31 PID 2184 wrote to memory of 2392 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 31 PID 2184 wrote to memory of 2392 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 31 PID 2184 wrote to memory of 2672 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 33 PID 2184 wrote to memory of 2672 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 33 PID 2184 wrote to memory of 2672 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 33 PID 2184 wrote to memory of 2672 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 33 PID 2184 wrote to memory of 2744 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 34 PID 2184 wrote to memory of 2744 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 34 PID 2184 wrote to memory of 2744 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 34 PID 2184 wrote to memory of 2744 2184 bcb07215167cca65d7fa20884c819f20_exe32.exe 34 PID 2392 wrote to memory of 2792 2392 cmd.exe 37 PID 2392 wrote to memory of 2792 2392 cmd.exe 37 PID 2392 wrote to memory of 2792 2392 cmd.exe 37 PID 2392 wrote to memory of 2792 2392 cmd.exe 37 PID 2672 wrote to memory of 3032 2672 cmd.exe 38 PID 2672 wrote to memory of 3032 2672 cmd.exe 38 PID 2672 wrote to memory of 3032 2672 cmd.exe 38 PID 2672 wrote to memory of 3032 2672 cmd.exe 38 PID 2744 wrote to memory of 2752 2744 cmd.exe 39 PID 2744 wrote to memory of 2752 2744 cmd.exe 39 PID 2744 wrote to memory of 2752 2744 cmd.exe 39 PID 2744 wrote to memory of 2752 2744 cmd.exe 39 PID 2096 wrote to memory of 1960 2096 cmd.exe 40 PID 2096 wrote to memory of 1960 2096 cmd.exe 40 PID 2096 wrote to memory of 1960 2096 cmd.exe 40 PID 2096 wrote to memory of 1960 2096 cmd.exe 40
Processes
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C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe"C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe"C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe"2⤵
- Adds policy Run key to start application
- Modifies Installed Components in the registry
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2184 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2096 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:1960
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\bcb07215167cca65d7fa20884c819f20_exe32.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:2792
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2672 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:3032
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C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f3⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\svchost.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svchost.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- Modifies registry key
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
1Windows Service
1