Analysis
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max time kernel
149s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
30-11-2024 05:13
Behavioral task
behavioral1
Sample
eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe
Resource
win10v2004-20241007-en
General
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Target
eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe
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Size
1.7MB
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MD5
6f7b8480a4cb654f4f7c752711d47ffd
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SHA1
0d2c246bbbd8cb7d838a9d1bd77bd0c4ad0b9728
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SHA256
eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6
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SHA512
0ec8a0b4339a42284c9e17258982033f1673697005d98a888eb5fdd2bd269a16c980d49063bb0814579f6205fe1fd14206d3025e66fef1c528a5a9dd01393146
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SSDEEP
12288:Y6sg9q8utL6R91NNaUfViptH0D9wvT1xkZTWbq6Pknm2N5kv7Z62J5ugQ8cY47OO:YyG6RGjv7biFpVUu
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 10 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updates\\winupdt3.exe:*:Enabled:Windows Messanger" 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 Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile 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\local.exe = "C:\\Users\\Admin\\AppData\\Roaming\\local.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile reg.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe -
Executes dropped EXE 3 IoCs
pid Process 1096 winupdt3.exe 1344 winupdt3.exe 3556 winupdt3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdt = "C:\\Users\\Admin\\AppData\\Roaming\\Window Updates\\winupdt3.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1096 set thread context of 1344 1096 winupdt3.exe 87 PID 1096 set thread context of 3556 1096 winupdt3.exe 88 -
resource yara_rule behavioral2/memory/3492-0-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/files/0x000a000000023b8c-16.dat upx behavioral2/memory/3492-28-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/memory/1344-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-36-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-34-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3556-42-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/3556-47-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/3556-45-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1096-50-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/memory/1344-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3556-52-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1344-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-55-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-58-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-60-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-62-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-65-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-67-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-74-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-76-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1344-81-0x0000000000400000-0x000000000045C000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 14 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 3032 reg.exe 1820 reg.exe 3472 reg.exe 4076 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 1344 winupdt3.exe Token: SeCreateTokenPrivilege 1344 winupdt3.exe Token: SeAssignPrimaryTokenPrivilege 1344 winupdt3.exe Token: SeLockMemoryPrivilege 1344 winupdt3.exe Token: SeIncreaseQuotaPrivilege 1344 winupdt3.exe Token: SeMachineAccountPrivilege 1344 winupdt3.exe Token: SeTcbPrivilege 1344 winupdt3.exe Token: SeSecurityPrivilege 1344 winupdt3.exe Token: SeTakeOwnershipPrivilege 1344 winupdt3.exe Token: SeLoadDriverPrivilege 1344 winupdt3.exe Token: SeSystemProfilePrivilege 1344 winupdt3.exe Token: SeSystemtimePrivilege 1344 winupdt3.exe Token: SeProfSingleProcessPrivilege 1344 winupdt3.exe Token: SeIncBasePriorityPrivilege 1344 winupdt3.exe Token: SeCreatePagefilePrivilege 1344 winupdt3.exe Token: SeCreatePermanentPrivilege 1344 winupdt3.exe Token: SeBackupPrivilege 1344 winupdt3.exe Token: SeRestorePrivilege 1344 winupdt3.exe Token: SeShutdownPrivilege 1344 winupdt3.exe Token: SeDebugPrivilege 1344 winupdt3.exe Token: SeAuditPrivilege 1344 winupdt3.exe Token: SeSystemEnvironmentPrivilege 1344 winupdt3.exe Token: SeChangeNotifyPrivilege 1344 winupdt3.exe Token: SeRemoteShutdownPrivilege 1344 winupdt3.exe Token: SeUndockPrivilege 1344 winupdt3.exe Token: SeSyncAgentPrivilege 1344 winupdt3.exe Token: SeEnableDelegationPrivilege 1344 winupdt3.exe Token: SeManageVolumePrivilege 1344 winupdt3.exe Token: SeImpersonatePrivilege 1344 winupdt3.exe Token: SeCreateGlobalPrivilege 1344 winupdt3.exe Token: 31 1344 winupdt3.exe Token: 32 1344 winupdt3.exe Token: 33 1344 winupdt3.exe Token: 34 1344 winupdt3.exe Token: 35 1344 winupdt3.exe Token: SeDebugPrivilege 3556 winupdt3.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 1096 winupdt3.exe 1344 winupdt3.exe 1344 winupdt3.exe 1344 winupdt3.exe 3556 winupdt3.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 3492 wrote to memory of 3748 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 82 PID 3492 wrote to memory of 3748 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 82 PID 3492 wrote to memory of 3748 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 82 PID 3748 wrote to memory of 3612 3748 cmd.exe 85 PID 3748 wrote to memory of 3612 3748 cmd.exe 85 PID 3748 wrote to memory of 3612 3748 cmd.exe 85 PID 3492 wrote to memory of 1096 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 86 PID 3492 wrote to memory of 1096 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 86 PID 3492 wrote to memory of 1096 3492 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 86 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 1344 1096 winupdt3.exe 87 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1344 wrote to memory of 2112 1344 winupdt3.exe 89 PID 1344 wrote to memory of 2112 1344 winupdt3.exe 89 PID 1344 wrote to memory of 2112 1344 winupdt3.exe 89 PID 1344 wrote to memory of 4048 1344 winupdt3.exe 90 PID 1344 wrote to memory of 4048 1344 winupdt3.exe 90 PID 1344 wrote to memory of 4048 1344 winupdt3.exe 90 PID 1344 wrote to memory of 2088 1344 winupdt3.exe 91 PID 1344 wrote to memory of 2088 1344 winupdt3.exe 91 PID 1344 wrote to memory of 2088 1344 winupdt3.exe 91 PID 1344 wrote to memory of 2640 1344 winupdt3.exe 92 PID 1344 wrote to memory of 2640 1344 winupdt3.exe 92 PID 1344 wrote to memory of 2640 1344 winupdt3.exe 92 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 1096 wrote to memory of 3556 1096 winupdt3.exe 88 PID 2088 wrote to memory of 3472 2088 cmd.exe 97 PID 2088 wrote to memory of 3472 2088 cmd.exe 97 PID 2088 wrote to memory of 3472 2088 cmd.exe 97 PID 2112 wrote to memory of 3032 2112 cmd.exe 98 PID 2112 wrote to memory of 3032 2112 cmd.exe 98 PID 2112 wrote to memory of 3032 2112 cmd.exe 98 PID 2640 wrote to memory of 4076 2640 cmd.exe 99 PID 2640 wrote to memory of 4076 2640 cmd.exe 99 PID 2640 wrote to memory of 4076 2640 cmd.exe 99 PID 4048 wrote to memory of 1820 4048 cmd.exe 100 PID 4048 wrote to memory of 1820 4048 cmd.exe 100 PID 4048 wrote to memory of 1820 4048 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe"C:\Users\Admin\AppData\Local\Temp\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3492 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\uxqZE.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:3612
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C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1344 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- 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\Window Updates\winupdt3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4048 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1820
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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" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:3472
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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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2640 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:4076
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C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3556
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
152B
MD5deba559edd7e3c8dcc3e27362ac41cde
SHA1a5688d69bc779c836262874f344de154ae7e7219
SHA25649f5709cc8357f7e406ae904f54d82d476094e2e93dc93308147d8ed9a175a90
SHA5129296532fd85f48b49802be12a8581453f84274cada2433d082d5901bd86c57c86bdcc4bd4420d2f6014d1e964f0b1234eb0d34bd23ffad22c9ae02f615847fbd
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Filesize
1.7MB
MD5b1b540f076dee2346d8d629b2fe64c07
SHA144a9f3096501644cb8525ee5c75c9b0e3252951d
SHA2566009302ae8841d7f55000a980720e40f390afb84c6ca15e61e0d29544df9f1c3
SHA512a39ff73e5add7659c964f53627a761cb82cdf4b95b1e4fa5765776229f3562c2a4828f78ba1df18fc5db0a37def7a43c9fe56e19499be446ad8f5cc92b819352