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Analysis
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max time kernel
119s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04/10/2024, 15:37
Behavioral task
behavioral1
Sample
c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe
Resource
win10v2004-20240802-en
General
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Target
c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe
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Size
1.7MB
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MD5
3827105fb0ee82b61b8e4cd09f1d7630
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SHA1
8100d036511f062163ac7a820ecd197e0bd964ce
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SHA256
c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16
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SHA512
74231ab358650cdbd405ce0cdf1a094ab638b886559a7c64f9cc0ff413c1359263dbe1fca91be1c5944d56e58b2070a0c55984446065c6fc628f1f3c61b43d3c
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SSDEEP
12288:Y6sg9q8utL6R91NNaUfViptH0D9wvT1xkZTWbq6Pknm2N5kv7Z62J5ugQ8cY47Os:YyG6RGjv7biFpVUM
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\List 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 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 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 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 -
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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe -
Executes dropped EXE 3 IoCs
pid Process 404 winupdt3.exe 4992 winupdt3.exe 1912 winupdt3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\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 404 set thread context of 4992 404 winupdt3.exe 94 PID 404 set thread context of 1912 404 winupdt3.exe 95 -
resource yara_rule behavioral2/memory/1772-0-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/files/0x0007000000023632-16.dat upx behavioral2/memory/1772-29-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/memory/4992-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-34-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-36-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1912-45-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1912-43-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1912-40-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/404-50-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral2/memory/4992-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-52-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1912-53-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/4992-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-59-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-61-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-63-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-66-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-68-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4992-75-0x0000000000400000-0x000000000045C000-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 cmd.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 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 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.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 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 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 4868 reg.exe 392 reg.exe 2052 reg.exe 2096 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 4992 winupdt3.exe Token: SeCreateTokenPrivilege 4992 winupdt3.exe Token: SeAssignPrimaryTokenPrivilege 4992 winupdt3.exe Token: SeLockMemoryPrivilege 4992 winupdt3.exe Token: SeIncreaseQuotaPrivilege 4992 winupdt3.exe Token: SeMachineAccountPrivilege 4992 winupdt3.exe Token: SeTcbPrivilege 4992 winupdt3.exe Token: SeSecurityPrivilege 4992 winupdt3.exe Token: SeTakeOwnershipPrivilege 4992 winupdt3.exe Token: SeLoadDriverPrivilege 4992 winupdt3.exe Token: SeSystemProfilePrivilege 4992 winupdt3.exe Token: SeSystemtimePrivilege 4992 winupdt3.exe Token: SeProfSingleProcessPrivilege 4992 winupdt3.exe Token: SeIncBasePriorityPrivilege 4992 winupdt3.exe Token: SeCreatePagefilePrivilege 4992 winupdt3.exe Token: SeCreatePermanentPrivilege 4992 winupdt3.exe Token: SeBackupPrivilege 4992 winupdt3.exe Token: SeRestorePrivilege 4992 winupdt3.exe Token: SeShutdownPrivilege 4992 winupdt3.exe Token: SeDebugPrivilege 4992 winupdt3.exe Token: SeAuditPrivilege 4992 winupdt3.exe Token: SeSystemEnvironmentPrivilege 4992 winupdt3.exe Token: SeChangeNotifyPrivilege 4992 winupdt3.exe Token: SeRemoteShutdownPrivilege 4992 winupdt3.exe Token: SeUndockPrivilege 4992 winupdt3.exe Token: SeSyncAgentPrivilege 4992 winupdt3.exe Token: SeEnableDelegationPrivilege 4992 winupdt3.exe Token: SeManageVolumePrivilege 4992 winupdt3.exe Token: SeImpersonatePrivilege 4992 winupdt3.exe Token: SeCreateGlobalPrivilege 4992 winupdt3.exe Token: 31 4992 winupdt3.exe Token: 32 4992 winupdt3.exe Token: 33 4992 winupdt3.exe Token: 34 4992 winupdt3.exe Token: 35 4992 winupdt3.exe Token: SeDebugPrivilege 1912 winupdt3.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 404 winupdt3.exe 4992 winupdt3.exe 4992 winupdt3.exe 1912 winupdt3.exe 4992 winupdt3.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 1772 wrote to memory of 512 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 89 PID 1772 wrote to memory of 512 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 89 PID 1772 wrote to memory of 512 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 89 PID 512 wrote to memory of 2304 512 cmd.exe 92 PID 512 wrote to memory of 2304 512 cmd.exe 92 PID 512 wrote to memory of 2304 512 cmd.exe 92 PID 1772 wrote to memory of 404 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 93 PID 1772 wrote to memory of 404 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 93 PID 1772 wrote to memory of 404 1772 c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe 93 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 4992 404 winupdt3.exe 94 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 404 wrote to memory of 1912 404 winupdt3.exe 95 PID 4992 wrote to memory of 760 4992 winupdt3.exe 96 PID 4992 wrote to memory of 760 4992 winupdt3.exe 96 PID 4992 wrote to memory of 760 4992 winupdt3.exe 96 PID 4992 wrote to memory of 960 4992 winupdt3.exe 98 PID 4992 wrote to memory of 960 4992 winupdt3.exe 98 PID 4992 wrote to memory of 960 4992 winupdt3.exe 98 PID 4992 wrote to memory of 532 4992 winupdt3.exe 100 PID 4992 wrote to memory of 532 4992 winupdt3.exe 100 PID 4992 wrote to memory of 532 4992 winupdt3.exe 100 PID 4992 wrote to memory of 2980 4992 winupdt3.exe 101 PID 4992 wrote to memory of 2980 4992 winupdt3.exe 101 PID 4992 wrote to memory of 2980 4992 winupdt3.exe 101 PID 760 wrote to memory of 4868 760 cmd.exe 104 PID 760 wrote to memory of 4868 760 cmd.exe 104 PID 760 wrote to memory of 4868 760 cmd.exe 104 PID 532 wrote to memory of 2052 532 cmd.exe 105 PID 532 wrote to memory of 2052 532 cmd.exe 105 PID 532 wrote to memory of 2052 532 cmd.exe 105 PID 2980 wrote to memory of 392 2980 cmd.exe 106 PID 2980 wrote to memory of 392 2980 cmd.exe 106 PID 2980 wrote to memory of 392 2980 cmd.exe 106 PID 960 wrote to memory of 2096 960 cmd.exe 107 PID 960 wrote to memory of 2096 960 cmd.exe 107 PID 960 wrote to memory of 2096 960 cmd.exe 107
Processes
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C:\Users\Admin\AppData\Local\Temp\c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe"C:\Users\Admin\AppData\Local\Temp\c11446bf752a29289d345fef384c832d53840dd5cf2d3a136e294c960b72ad16N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1772 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Qxhgp.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:512 -
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:2304
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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:404 -
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:4992 -
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:760 -
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:4868
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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:960 -
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:2096
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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:532 -
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:2052
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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:2980 -
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:392
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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:1912
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4400,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4160 /prefetch:81⤵PID:1052
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
MD533e8f079f3478f9691e3d1c3af898c9d
SHA1b57a4f89634230dbeb762c04d5ad6690784a7559
SHA256dd6af598499bdbf81e0215c6594685ae8534c2157e4a4309077924e740c427bc
SHA51245d17f436352e6b6f642e6fb273b64492bb689f07dad48dacdd53ae9249b4d4d51297fa99fb499c02e007b6fb169284a77c15cb93d27a0c84a61d7dade0fff46