Analysis
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max time kernel
148s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
28/02/2025, 22:06
Behavioral task
behavioral1
Sample
395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe
Resource
win10v2004-20250217-en
General
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Target
395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe
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Size
269KB
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MD5
5b8dc8ecd2dc1db7aadb2e42b96cfb21
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SHA1
642d0fcd6cccc01c5d31353959a4e94625a8685d
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SHA256
395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653
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SHA512
14eceaafc05e5902fbd2707fb3ec608d29ed6d1e99af78633fb637e8643b6e629ef43ae05163774ce1d04aaa4ee8f57b17cc41b9f4f41d9cc6ae0c229430e8fc
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SSDEEP
6144:MzNRmFiqQfSNJzpztBIRNz4c91ez5FeGV39HY0ZLyXmLoS4:8cFiJSNLtBI/0tlxYELyOoS4
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 11 IoCs
resource yara_rule behavioral1/memory/2888-56-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-63-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-65-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-67-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-68-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-69-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-71-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-73-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-76-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-79-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral1/memory/2888-81-0x0000000000400000-0x000000000045C000-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\AuthorizedApplications\List 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 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\Windows Updater.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Updater.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 -
Executes dropped EXE 2 IoCs
pid Process 2236 winupdt.exe 2888 winupdt.exe -
Loads dropped DLL 6 IoCs
pid Process 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2236 winupdt.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Window Updates = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update\\winupdt.exe" reg.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2236 set thread context of 2888 2236 winupdt.exe 34 -
resource yara_rule behavioral1/memory/2016-0-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/files/0x0007000000016d4e-27.dat upx behavioral1/memory/2016-45-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2888-50-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2236-57-0x0000000000400000-0x00000000005A7000-memory.dmp upx behavioral1/memory/2888-54-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-63-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-65-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-67-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-68-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-69-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-71-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-73-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-76-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-79-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral1/memory/2888-81-0x0000000000400000-0x000000000045C000-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 13 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 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 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.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 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 reg.exe -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2644 reg.exe 2636 reg.exe 2688 reg.exe 2652 reg.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 2888 winupdt.exe Token: SeCreateTokenPrivilege 2888 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 2888 winupdt.exe Token: SeLockMemoryPrivilege 2888 winupdt.exe Token: SeIncreaseQuotaPrivilege 2888 winupdt.exe Token: SeMachineAccountPrivilege 2888 winupdt.exe Token: SeTcbPrivilege 2888 winupdt.exe Token: SeSecurityPrivilege 2888 winupdt.exe Token: SeTakeOwnershipPrivilege 2888 winupdt.exe Token: SeLoadDriverPrivilege 2888 winupdt.exe Token: SeSystemProfilePrivilege 2888 winupdt.exe Token: SeSystemtimePrivilege 2888 winupdt.exe Token: SeProfSingleProcessPrivilege 2888 winupdt.exe Token: SeIncBasePriorityPrivilege 2888 winupdt.exe Token: SeCreatePagefilePrivilege 2888 winupdt.exe Token: SeCreatePermanentPrivilege 2888 winupdt.exe Token: SeBackupPrivilege 2888 winupdt.exe Token: SeRestorePrivilege 2888 winupdt.exe Token: SeShutdownPrivilege 2888 winupdt.exe Token: SeDebugPrivilege 2888 winupdt.exe Token: SeAuditPrivilege 2888 winupdt.exe Token: SeSystemEnvironmentPrivilege 2888 winupdt.exe Token: SeChangeNotifyPrivilege 2888 winupdt.exe Token: SeRemoteShutdownPrivilege 2888 winupdt.exe Token: SeUndockPrivilege 2888 winupdt.exe Token: SeSyncAgentPrivilege 2888 winupdt.exe Token: SeEnableDelegationPrivilege 2888 winupdt.exe Token: SeManageVolumePrivilege 2888 winupdt.exe Token: SeImpersonatePrivilege 2888 winupdt.exe Token: SeCreateGlobalPrivilege 2888 winupdt.exe Token: 31 2888 winupdt.exe Token: 32 2888 winupdt.exe Token: 33 2888 winupdt.exe Token: 34 2888 winupdt.exe Token: 35 2888 winupdt.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 2236 winupdt.exe 2888 winupdt.exe 2888 winupdt.exe 2888 winupdt.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 2016 wrote to memory of 2428 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 30 PID 2016 wrote to memory of 2428 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 30 PID 2016 wrote to memory of 2428 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 30 PID 2016 wrote to memory of 2428 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 30 PID 2428 wrote to memory of 2712 2428 cmd.exe 32 PID 2428 wrote to memory of 2712 2428 cmd.exe 32 PID 2428 wrote to memory of 2712 2428 cmd.exe 32 PID 2428 wrote to memory of 2712 2428 cmd.exe 32 PID 2016 wrote to memory of 2236 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 33 PID 2016 wrote to memory of 2236 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 33 PID 2016 wrote to memory of 2236 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 33 PID 2016 wrote to memory of 2236 2016 395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe 33 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2236 wrote to memory of 2888 2236 winupdt.exe 34 PID 2888 wrote to memory of 2836 2888 winupdt.exe 35 PID 2888 wrote to memory of 2836 2888 winupdt.exe 35 PID 2888 wrote to memory of 2836 2888 winupdt.exe 35 PID 2888 wrote to memory of 2836 2888 winupdt.exe 35 PID 2888 wrote to memory of 2868 2888 winupdt.exe 36 PID 2888 wrote to memory of 2868 2888 winupdt.exe 36 PID 2888 wrote to memory of 2868 2888 winupdt.exe 36 PID 2888 wrote to memory of 2868 2888 winupdt.exe 36 PID 2888 wrote to memory of 2748 2888 winupdt.exe 37 PID 2888 wrote to memory of 2748 2888 winupdt.exe 37 PID 2888 wrote to memory of 2748 2888 winupdt.exe 37 PID 2888 wrote to memory of 2748 2888 winupdt.exe 37 PID 2888 wrote to memory of 2668 2888 winupdt.exe 39 PID 2888 wrote to memory of 2668 2888 winupdt.exe 39 PID 2888 wrote to memory of 2668 2888 winupdt.exe 39 PID 2888 wrote to memory of 2668 2888 winupdt.exe 39 PID 2868 wrote to memory of 2688 2868 cmd.exe 43 PID 2868 wrote to memory of 2688 2868 cmd.exe 43 PID 2868 wrote to memory of 2688 2868 cmd.exe 43 PID 2868 wrote to memory of 2688 2868 cmd.exe 43 PID 2748 wrote to memory of 2636 2748 cmd.exe 44 PID 2748 wrote to memory of 2636 2748 cmd.exe 44 PID 2748 wrote to memory of 2636 2748 cmd.exe 44 PID 2748 wrote to memory of 2636 2748 cmd.exe 44 PID 2836 wrote to memory of 2644 2836 cmd.exe 45 PID 2836 wrote to memory of 2644 2836 cmd.exe 45 PID 2836 wrote to memory of 2644 2836 cmd.exe 45 PID 2836 wrote to memory of 2644 2836 cmd.exe 45 PID 2668 wrote to memory of 2652 2668 cmd.exe 46 PID 2668 wrote to memory of 2652 2668 cmd.exe 46 PID 2668 wrote to memory of 2652 2668 cmd.exe 46 PID 2668 wrote to memory of 2652 2668 cmd.exe 46
Processes
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C:\Users\Admin\AppData\Local\Temp\395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe"C:\Users\Admin\AppData\Local\Temp\395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\WBuAP.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2428 -
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:2712
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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
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236 -
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:2888 -
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:2836 -
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:2644
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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:2868 -
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:2688
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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: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:2636
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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:2668 -
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:2652
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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
269KB
MD53a7964c6e580eb285dd5d35437ff611a
SHA1d67b2a713006f66cfa1fd12894ccbeea82937ced
SHA256645faa162791d03a1be408cff4735e4ece125bc4d29e6f4db23f0b5d915e4640
SHA5127f2cfaddfca9bf36645a6c5d160b0727e1e802c770ddb07c9e1631b926a70d8fa930f85d2a072617419d1e53728a5cb2319991586b9a5b787138a5cb80112833