Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2025 00:41
Behavioral task
behavioral1
Sample
8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe
Resource
win10v2004-20241007-en
General
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Target
8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe
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Size
1.5MB
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MD5
03ad9709cc48d654f4bbe073a8b95c1e
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SHA1
aa7d3838e35ee7ee71543d40c9b20e5497df6a6e
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SHA256
8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea
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SHA512
a0d63f9ccdbf6f9e1504ebd47d756c6b1c6924249f17a39037e51c4e052bbbdbc6985d14599810a2cb3693480ca66d449fb2a49b83fc4179731a055542a82706
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SSDEEP
12288:Y+Qf9NxkERr1JzrDTzz7wHxhW88KH6Yn77TCNp8jToZGrhR0ZooS/:Ox0j8KaYnfTYp8/oZMGZY
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 8 IoCs
resource yara_rule behavioral2/memory/2656-38-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-35-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-51-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-53-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-55-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-58-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-60-0x0000000000400000-0x000000000045D000-memory.dmp family_blackshades behavioral2/memory/2656-76-0x0000000000400000-0x000000000045D000-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 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 (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\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 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 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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe -
Executes dropped EXE 3 IoCs
pid Process 4452 winlogon.exe 2656 winlogon.exe 2936 winlogon.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 4452 set thread context of 2656 4452 winlogon.exe 88 PID 4452 set thread context of 2936 4452 winlogon.exe 89 -
resource yara_rule behavioral2/memory/896-0-0x0000000000400000-0x000000000058F000-memory.dmp upx behavioral2/files/0x000b000000023b91-16.dat upx behavioral2/memory/896-30-0x0000000000400000-0x000000000058F000-memory.dmp upx behavioral2/memory/2656-38-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2936-47-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/2936-43-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/2936-40-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/2656-35-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-34-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-31-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/4452-50-0x0000000000400000-0x000000000058F000-memory.dmp upx behavioral2/memory/2656-51-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2936-52-0x0000000000400000-0x0000000000409000-memory.dmp upx behavioral2/memory/2656-53-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-55-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-58-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-60-0x0000000000400000-0x000000000045D000-memory.dmp upx behavioral2/memory/2656-76-0x0000000000400000-0x000000000045D000-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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.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 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 cmd.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 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2296 reg.exe 2352 reg.exe 2128 reg.exe 2868 reg.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: 1 2656 winlogon.exe Token: SeCreateTokenPrivilege 2656 winlogon.exe Token: SeAssignPrimaryTokenPrivilege 2656 winlogon.exe Token: SeLockMemoryPrivilege 2656 winlogon.exe Token: SeIncreaseQuotaPrivilege 2656 winlogon.exe Token: SeMachineAccountPrivilege 2656 winlogon.exe Token: SeTcbPrivilege 2656 winlogon.exe Token: SeSecurityPrivilege 2656 winlogon.exe Token: SeTakeOwnershipPrivilege 2656 winlogon.exe Token: SeLoadDriverPrivilege 2656 winlogon.exe Token: SeSystemProfilePrivilege 2656 winlogon.exe Token: SeSystemtimePrivilege 2656 winlogon.exe Token: SeProfSingleProcessPrivilege 2656 winlogon.exe Token: SeIncBasePriorityPrivilege 2656 winlogon.exe Token: SeCreatePagefilePrivilege 2656 winlogon.exe Token: SeCreatePermanentPrivilege 2656 winlogon.exe Token: SeBackupPrivilege 2656 winlogon.exe Token: SeRestorePrivilege 2656 winlogon.exe Token: SeShutdownPrivilege 2656 winlogon.exe Token: SeDebugPrivilege 2656 winlogon.exe Token: SeAuditPrivilege 2656 winlogon.exe Token: SeSystemEnvironmentPrivilege 2656 winlogon.exe Token: SeChangeNotifyPrivilege 2656 winlogon.exe Token: SeRemoteShutdownPrivilege 2656 winlogon.exe Token: SeUndockPrivilege 2656 winlogon.exe Token: SeSyncAgentPrivilege 2656 winlogon.exe Token: SeEnableDelegationPrivilege 2656 winlogon.exe Token: SeManageVolumePrivilege 2656 winlogon.exe Token: SeImpersonatePrivilege 2656 winlogon.exe Token: SeCreateGlobalPrivilege 2656 winlogon.exe Token: 31 2656 winlogon.exe Token: 32 2656 winlogon.exe Token: 33 2656 winlogon.exe Token: 34 2656 winlogon.exe Token: 35 2656 winlogon.exe Token: SeDebugPrivilege 2936 winlogon.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 4452 winlogon.exe 2656 winlogon.exe 2656 winlogon.exe 2936 winlogon.exe 2656 winlogon.exe -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 896 wrote to memory of 3460 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 83 PID 896 wrote to memory of 3460 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 83 PID 896 wrote to memory of 3460 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 83 PID 3460 wrote to memory of 372 3460 cmd.exe 86 PID 3460 wrote to memory of 372 3460 cmd.exe 86 PID 3460 wrote to memory of 372 3460 cmd.exe 86 PID 896 wrote to memory of 4452 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 87 PID 896 wrote to memory of 4452 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 87 PID 896 wrote to memory of 4452 896 8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe 87 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2656 4452 winlogon.exe 88 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 4452 wrote to memory of 2936 4452 winlogon.exe 89 PID 2656 wrote to memory of 3004 2656 winlogon.exe 90 PID 2656 wrote to memory of 3004 2656 winlogon.exe 90 PID 2656 wrote to memory of 3004 2656 winlogon.exe 90 PID 2656 wrote to memory of 2900 2656 winlogon.exe 91 PID 2656 wrote to memory of 2900 2656 winlogon.exe 91 PID 2656 wrote to memory of 2900 2656 winlogon.exe 91 PID 2656 wrote to memory of 4268 2656 winlogon.exe 93 PID 2656 wrote to memory of 4268 2656 winlogon.exe 93 PID 2656 wrote to memory of 4268 2656 winlogon.exe 93 PID 2656 wrote to memory of 1796 2656 winlogon.exe 95 PID 2656 wrote to memory of 1796 2656 winlogon.exe 95 PID 2656 wrote to memory of 1796 2656 winlogon.exe 95 PID 4268 wrote to memory of 2128 4268 cmd.exe 98 PID 4268 wrote to memory of 2128 4268 cmd.exe 98 PID 4268 wrote to memory of 2128 4268 cmd.exe 98 PID 2900 wrote to memory of 2868 2900 cmd.exe 99 PID 2900 wrote to memory of 2868 2900 cmd.exe 99 PID 2900 wrote to memory of 2868 2900 cmd.exe 99 PID 3004 wrote to memory of 2296 3004 cmd.exe 100 PID 3004 wrote to memory of 2296 3004 cmd.exe 100 PID 3004 wrote to memory of 2296 3004 cmd.exe 100 PID 1796 wrote to memory of 2352 1796 cmd.exe 101 PID 1796 wrote to memory of 2352 1796 cmd.exe 101 PID 1796 wrote to memory of 2352 1796 cmd.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe"C:\Users\Admin\AppData\Local\Temp\8c04e31fcaf5b026d4306550a6d27dc861c01b89f8ef921b7393da02777ed2ea.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:896 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nlkds.bat" "2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3460 -
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:372
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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:4452 -
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
- Suspicious use of WriteProcessMemory
PID:2656 -
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:2296
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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:2900 -
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:2868
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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:4268 -
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:2128
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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:1796 -
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:2352
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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:2936
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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
MD583ab67f0265706839f34a1d7162bad61
SHA15360a44698327cf32365aae1268777a50ea3b94d
SHA256ba5db1387c7c683e9306f1d1d458650406c9cb0be6ea2e874a3d818816ca48b8
SHA512d203b8852a7e634971d0469cd228bce3eb294c7c41f47f9c267957f99306ea038fd6c69b41cc1a0e32f010cef7fe20d9b5fdcca9fb683384defc0133ca5c995b