Analysis
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max time kernel
149s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
30-11-2024 05:18
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 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\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\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 -
Executes dropped EXE 3 IoCs
pid Process 2096 winupdt3.exe 2636 winupdt3.exe 2844 winupdt3.exe -
Loads dropped DLL 7 IoCs
pid Process 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2096 winupdt3.exe 2096 winupdt3.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\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 2096 set thread context of 2636 2096 winupdt3.exe 34 PID 2096 set thread context of 2844 2096 winupdt3.exe 35 -
resource yara_rule behavioral1/memory/2556-0-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral1/files/0x000700000001939c-27.dat upx behavioral1/memory/2556-44-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral1/memory/2636-50-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-54-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-69-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2096-68-0x0000000000400000-0x00000000005B6000-memory.dmp upx behavioral1/memory/2844-66-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2844-65-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2844-62-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2636-72-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2844-73-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2636-74-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-76-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-79-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-81-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-83-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-85-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-95-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-97-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-99-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2636-102-0x0000000000400000-0x000000000045C000-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 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.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 reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2112 reg.exe 2800 reg.exe 2708 reg.exe 2696 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 2636 winupdt3.exe Token: SeCreateTokenPrivilege 2636 winupdt3.exe Token: SeAssignPrimaryTokenPrivilege 2636 winupdt3.exe Token: SeLockMemoryPrivilege 2636 winupdt3.exe Token: SeIncreaseQuotaPrivilege 2636 winupdt3.exe Token: SeMachineAccountPrivilege 2636 winupdt3.exe Token: SeTcbPrivilege 2636 winupdt3.exe Token: SeSecurityPrivilege 2636 winupdt3.exe Token: SeTakeOwnershipPrivilege 2636 winupdt3.exe Token: SeLoadDriverPrivilege 2636 winupdt3.exe Token: SeSystemProfilePrivilege 2636 winupdt3.exe Token: SeSystemtimePrivilege 2636 winupdt3.exe Token: SeProfSingleProcessPrivilege 2636 winupdt3.exe Token: SeIncBasePriorityPrivilege 2636 winupdt3.exe Token: SeCreatePagefilePrivilege 2636 winupdt3.exe Token: SeCreatePermanentPrivilege 2636 winupdt3.exe Token: SeBackupPrivilege 2636 winupdt3.exe Token: SeRestorePrivilege 2636 winupdt3.exe Token: SeShutdownPrivilege 2636 winupdt3.exe Token: SeDebugPrivilege 2636 winupdt3.exe Token: SeAuditPrivilege 2636 winupdt3.exe Token: SeSystemEnvironmentPrivilege 2636 winupdt3.exe Token: SeChangeNotifyPrivilege 2636 winupdt3.exe Token: SeRemoteShutdownPrivilege 2636 winupdt3.exe Token: SeUndockPrivilege 2636 winupdt3.exe Token: SeSyncAgentPrivilege 2636 winupdt3.exe Token: SeEnableDelegationPrivilege 2636 winupdt3.exe Token: SeManageVolumePrivilege 2636 winupdt3.exe Token: SeImpersonatePrivilege 2636 winupdt3.exe Token: SeCreateGlobalPrivilege 2636 winupdt3.exe Token: 31 2636 winupdt3.exe Token: 32 2636 winupdt3.exe Token: 33 2636 winupdt3.exe Token: 34 2636 winupdt3.exe Token: 35 2636 winupdt3.exe Token: SeDebugPrivilege 2844 winupdt3.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 2096 winupdt3.exe 2636 winupdt3.exe 2636 winupdt3.exe 2844 winupdt3.exe 2636 winupdt3.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 2556 wrote to memory of 1488 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 30 PID 2556 wrote to memory of 1488 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 30 PID 2556 wrote to memory of 1488 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 30 PID 2556 wrote to memory of 1488 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 30 PID 1488 wrote to memory of 1824 1488 cmd.exe 32 PID 1488 wrote to memory of 1824 1488 cmd.exe 32 PID 1488 wrote to memory of 1824 1488 cmd.exe 32 PID 1488 wrote to memory of 1824 1488 cmd.exe 32 PID 2556 wrote to memory of 2096 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 33 PID 2556 wrote to memory of 2096 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 33 PID 2556 wrote to memory of 2096 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 33 PID 2556 wrote to memory of 2096 2556 eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe 33 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2636 2096 winupdt3.exe 34 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2636 wrote to memory of 2748 2636 winupdt3.exe 36 PID 2636 wrote to memory of 2748 2636 winupdt3.exe 36 PID 2636 wrote to memory of 2748 2636 winupdt3.exe 36 PID 2636 wrote to memory of 2748 2636 winupdt3.exe 36 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2636 wrote to memory of 2792 2636 winupdt3.exe 37 PID 2636 wrote to memory of 2792 2636 winupdt3.exe 37 PID 2636 wrote to memory of 2792 2636 winupdt3.exe 37 PID 2636 wrote to memory of 2792 2636 winupdt3.exe 37 PID 2636 wrote to memory of 3004 2636 winupdt3.exe 38 PID 2636 wrote to memory of 3004 2636 winupdt3.exe 38 PID 2636 wrote to memory of 3004 2636 winupdt3.exe 38 PID 2636 wrote to memory of 3004 2636 winupdt3.exe 38 PID 2636 wrote to memory of 2264 2636 winupdt3.exe 39 PID 2636 wrote to memory of 2264 2636 winupdt3.exe 39 PID 2636 wrote to memory of 2264 2636 winupdt3.exe 39 PID 2636 wrote to memory of 2264 2636 winupdt3.exe 39 PID 2096 wrote to memory of 2844 2096 winupdt3.exe 35 PID 2792 wrote to memory of 2696 2792 cmd.exe 44 PID 2792 wrote to memory of 2696 2792 cmd.exe 44 PID 2792 wrote to memory of 2696 2792 cmd.exe 44 PID 2792 wrote to memory of 2696 2792 cmd.exe 44 PID 2748 wrote to memory of 2708 2748 cmd.exe 45 PID 2748 wrote to memory of 2708 2748 cmd.exe 45 PID 2748 wrote to memory of 2708 2748 cmd.exe 45 PID 2748 wrote to memory of 2708 2748 cmd.exe 45 PID 3004 wrote to memory of 2800 3004 cmd.exe 46 PID 3004 wrote to memory of 2800 3004 cmd.exe 46 PID 3004 wrote to memory of 2800 3004 cmd.exe 46 PID 3004 wrote to memory of 2800 3004 cmd.exe 46 PID 2264 wrote to memory of 2112 2264 cmd.exe 47 PID 2264 wrote to memory of 2112 2264 cmd.exe 47 PID 2264 wrote to memory of 2112 2264 cmd.exe 47 PID 2264 wrote to memory of 2112 2264 cmd.exe 47
Processes
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C:\Users\Admin\AppData\Local\Temp\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe"C:\Users\Admin\AppData\Local\Temp\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\PxrJg.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488 -
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:1824
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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
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096 -
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:2636 -
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:2748 -
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:2708
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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:2792 -
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:2696
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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:3004 -
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:2800
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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:2264 -
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:2112
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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:2844
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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
MD54b13e9a1a494389f016d662e5735fa25
SHA1ead624fd3efba2da08f92032f8b9875251df1636
SHA256c99c331b8774beb3d80b9a8148aded1c62f94db2125c5e90ca69490022431838
SHA51218b2cee70619d9165e8b3c92f18cc60f65d8939d81750eb23fefac75203ef54d93c4d5bd54ad926cf335c08e82e24c69ce4d8b15b87822cbb429f34bb74ed055