Analysis
- max time kernel
117s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20250129-en - resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system - submitted
02/02/2025, 16:41
Behavioral task
behavioral1
Sample
8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe
Resource
win10v2004-20250129-en
General
- Target 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe
- Size 1.6MB
- Sample250202-t7ee2sslar
- SHA256 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435
- MD5 76f9dc6294c03820771f811550bdd61e
- SHA1 4ddd5b8b91b730021082e7e436e56dc03c2e9080
- SHA512 2b7827ce19682a084b68be70742eae0200812874ce8166ba96793236d57a11959db8b73e632bc727e2d6633c8623cdb837c5eba147e924784071d011d6426c51
- SSDEEP 12288:lHZVm/7ePnv+TWM+6+xTGzgFA+u/x8acJdPACFFbLFi8cj5UQbM72voXk:1v+NWu/adRYj5UQO5k
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Blackshades
Blackshades is a remote access trojan with various capabilities.
- Blackshades family
- Blackshades payload 11 IoCs
resource yara_rule behavioral2/memory/3068-37-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-44-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-46-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-49-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-50-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-52-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-53-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-54-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-56-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-57-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades behavioral2/memory/3068-58-0x0000000000400000-0x000000000045C000-memory.dmp family_blackshades - 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 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\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 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\List 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 Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0" 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-1-5-21-70482961-775596374-3727440602-1000\Control Panel\International\Geo\Nation 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe - Executes dropped EXE 2 IoCs
pid Process 4312 winupdt.exe 3068 winupdt.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-70482961-775596374-3727440602-1000\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 4312 set thread context of 3068 4312 winupdt.exe 91 -
resource yara_rule behavioral2/memory/4844-0-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/files/0x0009000000023c8e-16.dat upx behavioral2/memory/4844-29-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/3068-31-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-35-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-37-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/4312-41-0x0000000000400000-0x0000000000591000-memory.dmp upx behavioral2/memory/3068-44-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-46-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-49-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-50-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-52-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-53-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-54-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-56-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-57-0x0000000000400000-0x000000000045C000-memory.dmp upx behavioral2/memory/3068-58-0x0000000000400000-0x000000000045C000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 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 winupdt.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 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Modifies registry key 1 TTPs 4 IoCs
pid Process 2184 reg.exe 4692 reg.exe 4076 reg.exe 1432 reg.exe - Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: 1 3068 winupdt.exe Token: SeCreateTokenPrivilege 3068 winupdt.exe Token: SeAssignPrimaryTokenPrivilege 3068 winupdt.exe Token: SeLockMemoryPrivilege 3068 winupdt.exe Token: SeIncreaseQuotaPrivilege 3068 winupdt.exe Token: SeMachineAccountPrivilege 3068 winupdt.exe Token: SeTcbPrivilege 3068 winupdt.exe Token: SeSecurityPrivilege 3068 winupdt.exe Token: SeTakeOwnershipPrivilege 3068 winupdt.exe Token: SeLoadDriverPrivilege 3068 winupdt.exe Token: SeSystemProfilePrivilege 3068 winupdt.exe Token: SeSystemtimePrivilege 3068 winupdt.exe Token: SeProfSingleProcessPrivilege 3068 winupdt.exe Token: SeIncBasePriorityPrivilege 3068 winupdt.exe Token: SeCreatePagefilePrivilege 3068 winupdt.exe Token: SeCreatePermanentPrivilege 3068 winupdt.exe Token: SeBackupPrivilege 3068 winupdt.exe Token: SeRestorePrivilege 3068 winupdt.exe Token: SeShutdownPrivilege 3068 winupdt.exe Token: SeDebugPrivilege 3068 winupdt.exe Token: SeAuditPrivilege 3068 winupdt.exe Token: SeSystemEnvironmentPrivilege 3068 winupdt.exe Token: SeChangeNotifyPrivilege 3068 winupdt.exe Token: SeRemoteShutdownPrivilege 3068 winupdt.exe Token: SeUndockPrivilege 3068 winupdt.exe Token: SeSyncAgentPrivilege 3068 winupdt.exe Token: SeEnableDelegationPrivilege 3068 winupdt.exe Token: SeManageVolumePrivilege 3068 winupdt.exe Token: SeImpersonatePrivilege 3068 winupdt.exe Token: SeCreateGlobalPrivilege 3068 winupdt.exe Token: 31 3068 winupdt.exe Token: 32 3068 winupdt.exe Token: 33 3068 winupdt.exe Token: 34 3068 winupdt.exe Token: 35 3068 winupdt.exe - Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 4312 winupdt.exe 3068 winupdt.exe 3068 winupdt.exe 3068 winupdt.exe - Suspicious use of WriteProcessMemory 41 IoCs
description pid Process procid_target PID 4844 wrote to memory of 2932 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 86 PID 4844 wrote to memory of 2932 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 86 PID 4844 wrote to memory of 2932 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 86 PID 2932 wrote to memory of 1392 2932 cmd.exe 89 PID 2932 wrote to memory of 1392 2932 cmd.exe 89 PID 2932 wrote to memory of 1392 2932 cmd.exe 89 PID 4844 wrote to memory of 4312 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 90 PID 4844 wrote to memory of 4312 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 90 PID 4844 wrote to memory of 4312 4844 8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe 90 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 4312 wrote to memory of 3068 4312 winupdt.exe 91 PID 3068 wrote to memory of 2956 3068 winupdt.exe 92 PID 3068 wrote to memory of 2956 3068 winupdt.exe 92 PID 3068 wrote to memory of 2956 3068 winupdt.exe 92 PID 3068 wrote to memory of 4496 3068 winupdt.exe 93 PID 3068 wrote to memory of 4496 3068 winupdt.exe 93 PID 3068 wrote to memory of 4496 3068 winupdt.exe 93 PID 3068 wrote to memory of 2180 3068 winupdt.exe 94 PID 3068 wrote to memory of 2180 3068 winupdt.exe 94 PID 3068 wrote to memory of 2180 3068 winupdt.exe 94 PID 3068 wrote to memory of 664 3068 winupdt.exe 96 PID 3068 wrote to memory of 664 3068 winupdt.exe 96 PID 3068 wrote to memory of 664 3068 winupdt.exe 96 PID 2956 wrote to memory of 1432 2956 cmd.exe 100 PID 2956 wrote to memory of 1432 2956 cmd.exe 100 PID 2956 wrote to memory of 1432 2956 cmd.exe 100 PID 4496 wrote to memory of 4076 4496 cmd.exe 101 PID 4496 wrote to memory of 4076 4496 cmd.exe 101 PID 4496 wrote to memory of 4076 4496 cmd.exe 101 PID 2180 wrote to memory of 2184 2180 cmd.exe 102 PID 2180 wrote to memory of 2184 2180 cmd.exe 102 PID 2180 wrote to memory of 2184 2180 cmd.exe 102 PID 664 wrote to memory of 4692 664 cmd.exe 103 PID 664 wrote to memory of 4692 664 cmd.exe 103 PID 664 wrote to memory of 4692 664 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe"C:\Users\Admin\AppData\Local\Temp\8e259136b56fc6ff91fb279c24d87c3bc79b2cb5c94f94eb59eaeb56e20b7435.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4844 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TSNlk.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2932 -
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:1392
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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:4312 -
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:3068 -
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:2956 -
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:1432
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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:4496 -
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:4076
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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:2180 -
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:2184
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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:664 -
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:4692
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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
- Path C:\Users\Admin\AppData\Local\Temp\TSNlk.txt
- Size 158B
- SHA256 35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693
- MD5 1954c7e666c5b4d1117ef07bc0c9b8ec
- SHA1 559e3c0273c1463e9184027b749bdaad0a372681
- SHA512 3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.txt
- Size 1.6MB
- SHA256 04e18ea23f2887ed84e019019fa0cafc8632a30f28a254237e8bb6ea25dc799a
- MD5 194e5ac240ca7dcdc3833925f0febb96
- SHA1 d0c55d7b62576847961625a67e7edf9bf59c065c
- SHA512 e5996d2b1b545c71fcd4416f55a310c8c2d2d5fd6507fb104ac133f50cc109eaaa1907d6e0e6bb0c068755e4baa35f0d5c9b6bc8864dce1266bc7c2929f400f5
- SSDEEP 12288:lHZVm/7ePnv+TWM+6+xTGzgFA+u/x8acJdPACFFbLFi8cj5UQbM72voXk:1v+NWu/adRYj5UQO5k
- MD5 SHA1 SHA512 SSDEEP