Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
08-02-2025 03:25
Behavioral task
behavioral1
Sample
3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe
Resource
win10v2004-20250207-en
General
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Target
3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe
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Size
1.5MB
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MD5
ecb281448428083a2a34031c1f5d9510
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SHA1
173ec723e02039748925b774f1026180faf95a5f
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SHA256
3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39
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SHA512
ddcccfbce073bf5f92c8bd005cb1edfd9cf161d9724b4e267c6f1e38b2694335ad9f5974d834227d66a4679bff612f1313b1bae8257374060a5cf9b386afdb77
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SSDEEP
12288:8+UjTLktugGpjg3hImpAE8r8UldIsxvc2DD5TuVixuDCvK+7lvHs+D5oSS:8zjPktUQhHUldIspczCSQJO
Malware Config
Signatures
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Blackshades
Blackshades is a remote access trojan with various capabilities.
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Blackshades family
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Blackshades payload 6 IoCs
resource yara_rule behavioral1/memory/2744-52-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral1/memory/2744-55-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral1/memory/2744-68-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral1/memory/2744-70-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral1/memory/2744-72-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral1/memory/2744-74-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades -
Modifies firewall policy service 3 TTPs 8 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\AuthorizedApplications\List reg.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\winlogon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.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\darkeye-nosttingspersistent2.exe = "C:\\Users\\Admin\\AppData\\Roaming\\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" reg.exe -
Executes dropped EXE 3 IoCs
pid Process 2136 winlogon.exe 2744 winlogon.exe 2544 winlogon.exe -
Loads dropped DLL 5 IoCs
pid Process 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Users\\Admin\\AppData\\Roaming\\winlogon.exe" reg.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2136 set thread context of 2744 2136 winlogon.exe 33 PID 2136 set thread context of 2544 2136 winlogon.exe 34 -
resource yara_rule behavioral1/memory/2424-0-0x0000000000400000-0x000000000057F000-memory.dmp upx behavioral1/files/0x0009000000016d69-27.dat upx behavioral1/memory/2424-44-0x0000000000400000-0x000000000057F000-memory.dmp upx behavioral1/memory/2744-48-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2744-52-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2744-55-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2744-51-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2544-57-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2136-61-0x0000000000400000-0x000000000057F000-memory.dmp upx behavioral1/memory/2544-60-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2544-64-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2744-68-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2544-69-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral1/memory/2744-70-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2744-72-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral1/memory/2744-74-0x0000000000400000-0x000000000045D000-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 winlogon.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 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.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 winlogon.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2228 reg.exe 744 reg.exe 2356 reg.exe 1160 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 2744 winlogon.exe Token: SeCreateTokenPrivilege 2744 winlogon.exe Token: SeAssignPrimaryTokenPrivilege 2744 winlogon.exe Token: SeLockMemoryPrivilege 2744 winlogon.exe Token: SeIncreaseQuotaPrivilege 2744 winlogon.exe Token: SeMachineAccountPrivilege 2744 winlogon.exe Token: SeTcbPrivilege 2744 winlogon.exe Token: SeSecurityPrivilege 2744 winlogon.exe Token: SeTakeOwnershipPrivilege 2744 winlogon.exe Token: SeLoadDriverPrivilege 2744 winlogon.exe Token: SeSystemProfilePrivilege 2744 winlogon.exe Token: SeSystemtimePrivilege 2744 winlogon.exe Token: SeProfSingleProcessPrivilege 2744 winlogon.exe Token: SeIncBasePriorityPrivilege 2744 winlogon.exe Token: SeCreatePagefilePrivilege 2744 winlogon.exe Token: SeCreatePermanentPrivilege 2744 winlogon.exe Token: SeBackupPrivilege 2744 winlogon.exe Token: SeRestorePrivilege 2744 winlogon.exe Token: SeShutdownPrivilege 2744 winlogon.exe Token: SeDebugPrivilege 2744 winlogon.exe Token: SeAuditPrivilege 2744 winlogon.exe Token: SeSystemEnvironmentPrivilege 2744 winlogon.exe Token: SeChangeNotifyPrivilege 2744 winlogon.exe Token: SeRemoteShutdownPrivilege 2744 winlogon.exe Token: SeUndockPrivilege 2744 winlogon.exe Token: SeSyncAgentPrivilege 2744 winlogon.exe Token: SeEnableDelegationPrivilege 2744 winlogon.exe Token: SeManageVolumePrivilege 2744 winlogon.exe Token: SeImpersonatePrivilege 2744 winlogon.exe Token: SeCreateGlobalPrivilege 2744 winlogon.exe Token: 31 2744 winlogon.exe Token: 32 2744 winlogon.exe Token: 33 2744 winlogon.exe Token: 34 2744 winlogon.exe Token: 35 2744 winlogon.exe Token: SeDebugPrivilege 2544 winlogon.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 2136 winlogon.exe 2744 winlogon.exe 2744 winlogon.exe 2544 winlogon.exe 2744 winlogon.exe -
Suspicious use of WriteProcessMemory 62 IoCs
description pid Process procid_target PID 2424 wrote to memory of 2956 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 29 PID 2424 wrote to memory of 2956 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 29 PID 2424 wrote to memory of 2956 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 29 PID 2424 wrote to memory of 2956 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 29 PID 2956 wrote to memory of 2732 2956 cmd.exe 31 PID 2956 wrote to memory of 2732 2956 cmd.exe 31 PID 2956 wrote to memory of 2732 2956 cmd.exe 31 PID 2956 wrote to memory of 2732 2956 cmd.exe 31 PID 2424 wrote to memory of 2136 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 32 PID 2424 wrote to memory of 2136 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 32 PID 2424 wrote to memory of 2136 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 32 PID 2424 wrote to memory of 2136 2424 3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe 32 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2744 2136 winlogon.exe 33 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2744 wrote to memory of 2560 2744 winlogon.exe 35 PID 2744 wrote to memory of 2560 2744 winlogon.exe 35 PID 2744 wrote to memory of 2560 2744 winlogon.exe 35 PID 2744 wrote to memory of 2560 2744 winlogon.exe 35 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 2744 wrote to memory of 1388 2744 winlogon.exe 36 PID 2744 wrote to memory of 1388 2744 winlogon.exe 36 PID 2744 wrote to memory of 1388 2744 winlogon.exe 36 PID 2744 wrote to memory of 1388 2744 winlogon.exe 36 PID 2744 wrote to memory of 2788 2744 winlogon.exe 37 PID 2744 wrote to memory of 2788 2744 winlogon.exe 37 PID 2744 wrote to memory of 2788 2744 winlogon.exe 37 PID 2744 wrote to memory of 2788 2744 winlogon.exe 37 PID 2136 wrote to memory of 2544 2136 winlogon.exe 34 PID 1388 wrote to memory of 2228 1388 cmd.exe 41 PID 1388 wrote to memory of 2228 1388 cmd.exe 41 PID 1388 wrote to memory of 2228 1388 cmd.exe 41 PID 1388 wrote to memory of 2228 1388 cmd.exe 41 PID 2560 wrote to memory of 744 2560 cmd.exe 43 PID 2560 wrote to memory of 744 2560 cmd.exe 43 PID 2560 wrote to memory of 744 2560 cmd.exe 43 PID 2560 wrote to memory of 744 2560 cmd.exe 43 PID 2744 wrote to memory of 2572 2744 winlogon.exe 38 PID 2744 wrote to memory of 2572 2744 winlogon.exe 38 PID 2744 wrote to memory of 2572 2744 winlogon.exe 38 PID 2744 wrote to memory of 2572 2744 winlogon.exe 38 PID 2788 wrote to memory of 2356 2788 cmd.exe 45 PID 2788 wrote to memory of 2356 2788 cmd.exe 45 PID 2788 wrote to memory of 2356 2788 cmd.exe 45 PID 2788 wrote to memory of 2356 2788 cmd.exe 45 PID 2572 wrote to memory of 1160 2572 cmd.exe 46 PID 2572 wrote to memory of 1160 2572 cmd.exe 46 PID 2572 wrote to memory of 1160 2572 cmd.exe 46 PID 2572 wrote to memory of 1160 2572 cmd.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe"C:\Users\Admin\AppData\Local\Temp\3bfc439509ad08603e52b0647d5bf6099856d0b796fd00864df597000dd6ef39N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2424 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\Cljsy.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2956 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Winlogon" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe" /f3⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2732
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C:\Users\Admin\AppData\Roaming\winlogon.exe"C:\Users\Admin\AppData\Roaming\winlogon.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\AppData\Roaming\winlogon.exewinlogon.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2744 -
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:2560 -
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:744
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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\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1388 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winlogon.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winlogon.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2228
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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:2788 -
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:2356
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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\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent2.exe:*:Enabled:Windows Messanger" /f5⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1160
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C:\Users\Admin\AppData\Roaming\winlogon.exeC:\Users\Admin\AppData\Roaming\winlogon.exe3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2544
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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
138B
MD54da6717f2c70f4bd32ad33a227a2ff47
SHA13d7f7159e1f695bd469287d1ad4ffa0841b407a8
SHA256a12bb2e5d2fb0b3c400ce311fae72995a00b57a97d23e4b9effec47cff189d07
SHA5126765314054ad9bf2164058248f3d3a17775176925abbe4376aec030dca3a5e59be8b9e96139941fec2b2e1a9bff38f87abdb29ea09a299d8ab7e23ecec4083df
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Filesize
1.5MB
MD56831b19be87fd44088614720a1f2a760
SHA1c32a80665fe0b079f79e4fb9dc4d1356679ab17f
SHA2561a38ae2dfaf3f10c83f7fee6b071273c092711b4b8cc82e15162f27277683cbe
SHA512a2de10e195e7d585e65f16c96e45abd2e1d084fe84a51080fbb926462d657b7254f0007adb9d4dcc20e88fa569fead1fe517e92415d94cab160a0ab2ef68abad