Analysis
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max time kernel
119s -
max time network
109s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2024, 03:17
Behavioral task
behavioral1
Sample
ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe
Resource
win10v2004-20241007-en
General
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Target
ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe
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Size
1.7MB
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MD5
44daf9aab084d922d94116dc977a5bf3
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SHA1
243d30ce7c6e0ba5aade6d466b40ece4d587f923
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SHA256
ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16
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SHA512
9232b47fadd706a36d8745499b80ffe1c5579f625a8b5fe4598152eefdac5f0ca9bf7e3fdff283e09f3ba8b988c2ab6cf48726e26a2fdc312f501b029f7abe3c
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SSDEEP
12288:DZISeMFVhdL1XBvXxzGNABnwHdxkn7L1GzR1FYoxkM2N4JHUcTwoSW:VIW0rXi1GzRQo08f
Malware Config
Signatures
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Modifies firewall policy service 3 TTPs 10 IoCs
description ioc Process 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 Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Windows Updater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Updater.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\AuthorizedApplications\List 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\Windows Update\winupdt.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe -
Executes dropped EXE 3 IoCs
pid Process 1896 winupdt.exe 3772 winupdt.exe 1364 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Window Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1896 set thread context of 3772 1896 winupdt.exe 91 PID 1896 set thread context of 1364 1896 winupdt.exe 92 -
resource yara_rule behavioral2/memory/1068-0-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral2/files/0x000b000000023b9a-16.dat upx behavioral2/memory/1068-28-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral2/memory/3772-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-34-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-36-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1364-45-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1364-47-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1364-42-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/1896-50-0x0000000000400000-0x00000000005B3000-memory.dmp upx behavioral2/memory/3772-51-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/1364-52-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/3772-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-55-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-58-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-60-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-62-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-65-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-67-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-69-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3772-76-0x0000000000400000-0x000000000045C000-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 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winupdt.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 winupdt.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 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 winupdt.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 1996 reg.exe 2816 reg.exe 3412 reg.exe 2748 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 3772 winupdt.exe Token: SeCreateTokenPrivilege 3772 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 3772 winupdt.exe Token: SeLockMemoryPrivilege 3772 winupdt.exe Token: SeIncreaseQuotaPrivilege 3772 winupdt.exe Token: SeMachineAccountPrivilege 3772 winupdt.exe Token: SeTcbPrivilege 3772 winupdt.exe Token: SeSecurityPrivilege 3772 winupdt.exe Token: SeTakeOwnershipPrivilege 3772 winupdt.exe Token: SeLoadDriverPrivilege 3772 winupdt.exe Token: SeSystemProfilePrivilege 3772 winupdt.exe Token: SeSystemtimePrivilege 3772 winupdt.exe Token: SeProfSingleProcessPrivilege 3772 winupdt.exe Token: SeIncBasePriorityPrivilege 3772 winupdt.exe Token: SeCreatePagefilePrivilege 3772 winupdt.exe Token: SeCreatePermanentPrivilege 3772 winupdt.exe Token: SeBackupPrivilege 3772 winupdt.exe Token: SeRestorePrivilege 3772 winupdt.exe Token: SeShutdownPrivilege 3772 winupdt.exe Token: SeDebugPrivilege 3772 winupdt.exe Token: SeAuditPrivilege 3772 winupdt.exe Token: SeSystemEnvironmentPrivilege 3772 winupdt.exe Token: SeChangeNotifyPrivilege 3772 winupdt.exe Token: SeRemoteShutdownPrivilege 3772 winupdt.exe Token: SeUndockPrivilege 3772 winupdt.exe Token: SeSyncAgentPrivilege 3772 winupdt.exe Token: SeEnableDelegationPrivilege 3772 winupdt.exe Token: SeManageVolumePrivilege 3772 winupdt.exe Token: SeImpersonatePrivilege 3772 winupdt.exe Token: SeCreateGlobalPrivilege 3772 winupdt.exe Token: 31 3772 winupdt.exe Token: 32 3772 winupdt.exe Token: 33 3772 winupdt.exe Token: 34 3772 winupdt.exe Token: 35 3772 winupdt.exe Token: SeDebugPrivilege 1364 winupdt.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 1896 winupdt.exe 3772 winupdt.exe 3772 winupdt.exe 3772 winupdt.exe 1364 winupdt.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 1068 wrote to memory of 2952 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 85 PID 1068 wrote to memory of 2952 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 85 PID 1068 wrote to memory of 2952 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 85 PID 2952 wrote to memory of 1976 2952 cmd.exe 88 PID 2952 wrote to memory of 1976 2952 cmd.exe 88 PID 2952 wrote to memory of 1976 2952 cmd.exe 88 PID 1068 wrote to memory of 1896 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 90 PID 1068 wrote to memory of 1896 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 90 PID 1068 wrote to memory of 1896 1068 ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe 90 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 3772 1896 winupdt.exe 91 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 3772 wrote to memory of 4812 3772 winupdt.exe 93 PID 3772 wrote to memory of 4812 3772 winupdt.exe 93 PID 3772 wrote to memory of 4812 3772 winupdt.exe 93 PID 3772 wrote to memory of 2552 3772 winupdt.exe 94 PID 3772 wrote to memory of 2552 3772 winupdt.exe 94 PID 3772 wrote to memory of 2552 3772 winupdt.exe 94 PID 3772 wrote to memory of 2368 3772 winupdt.exe 95 PID 3772 wrote to memory of 2368 3772 winupdt.exe 95 PID 3772 wrote to memory of 2368 3772 winupdt.exe 95 PID 3772 wrote to memory of 2216 3772 winupdt.exe 96 PID 3772 wrote to memory of 2216 3772 winupdt.exe 96 PID 3772 wrote to memory of 2216 3772 winupdt.exe 96 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 1896 wrote to memory of 1364 1896 winupdt.exe 92 PID 2368 wrote to memory of 2748 2368 cmd.exe 101 PID 2368 wrote to memory of 2748 2368 cmd.exe 101 PID 2368 wrote to memory of 2748 2368 cmd.exe 101 PID 4812 wrote to memory of 1996 4812 cmd.exe 102 PID 4812 wrote to memory of 1996 4812 cmd.exe 102 PID 4812 wrote to memory of 1996 4812 cmd.exe 102 PID 2552 wrote to memory of 2816 2552 cmd.exe 103 PID 2552 wrote to memory of 2816 2552 cmd.exe 103 PID 2552 wrote to memory of 2816 2552 cmd.exe 103 PID 2216 wrote to memory of 3412 2216 cmd.exe 104 PID 2216 wrote to memory of 3412 2216 cmd.exe 104 PID 2216 wrote to memory of 3412 2216 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe"C:\Users\Admin\AppData\Local\Temp\ec0778b473a245a0d2a8785a20513d1fd6a483c9e3211f0e6ee0e30891faab16.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KJTSN.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:1976
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C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3772 -
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:4812 -
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:1996
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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\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2816
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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:2368 -
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:2748
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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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2216 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:3412
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C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1364
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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
158B
MD51954c7e666c5b4d1117ef07bc0c9b8ec
SHA1559e3c0273c1463e9184027b749bdaad0a372681
SHA25635e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693
SHA5123939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a
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Filesize
1.7MB
MD5c1184ff9bcbf87881e19677ae2d52e90
SHA1c75f222d6e1d933acfdd2cbe70dbf2f89a437f66
SHA256f9be02087adf409c520b2c100be0521a3d4a667f7f206686d60ada0395fb8232
SHA512e1f588e16e6915084f7da2e85834fceb63d5045573ff1378b915836b0c4a32c20d2848c0926351d071b0cc816182ba8ee6c1c2bfd29ad3a9f7a5d54b275621cb