Analysis
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max time kernel
148s -
max time network
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platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29-01-2025 20:30
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe
Resource
win10v2004-20250129-en
General
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Target
JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe
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Size
527KB
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MD5
5b1bd9d1fd84af18e8b4ba6b8a92876b
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SHA1
c6365f5a338afecc49db0189e03c8560a3a4846f
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SHA256
3a904b367a8b08ff6b8621a23f2cadfc2c54d9180ab491157da3c0b1326ab780
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SHA512
b40b06272a9a4e89877ffd1e44dc91837250054575cc540a9bd002139f20e6844b2f924c72c947724f35bb9e6541aaa11f0ea4be6502e00fd147b21f1634a786
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SSDEEP
12288:xKsP4RfglvDiXBpmg9jMFFZt84M7Xw5j8Cp+wJ0h9:xlPwfKvDCBHMAs5OF
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 15 IoCs
resource yara_rule behavioral1/memory/2528-15-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-11-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-31-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-32-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-33-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-34-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-36-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-38-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-39-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-40-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-42-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-43-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-44-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-48-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades behavioral1/memory/2528-52-0x0000000000400000-0x0000000000470000-memory.dmp family_blackshades -
Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\csrss.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\csrss.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 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\serv2.exe = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe:*:Enabled:Windows Messanger" reg.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List reg.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run csrss.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\winserv = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe" csrss.exe -
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1BC77C8D-BDF3-3AC5-FBAA-EB2B8BCE2F5A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe" csrss.exe Key created \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{1BC77C8D-BDF3-3AC5-FBAA-EB2B8BCE2F5A} csrss.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Active Setup\Installed Components\{1BC77C8D-BDF3-3AC5-FBAA-EB2B8BCE2F5A}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe" csrss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{1BC77C8D-BDF3-3AC5-FBAA-EB2B8BCE2F5A} csrss.exe -
Executes dropped EXE 1 IoCs
pid Process 2528 csrss.exe -
Loads dropped DLL 1 IoCs
pid Process 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\winserv = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe" csrss.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winserv = "C:\\Users\\Admin\\AppData\\Roaming\\serv2.exe" csrss.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1708 set thread context of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 -
System Location Discovery: System Language Discovery 1 TTPs 10 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language csrss.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 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 -
Modifies registry key 1 TTPs 4 IoCs
pid Process 2792 reg.exe 1576 reg.exe 2844 reg.exe 2188 reg.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe Token: 1 2528 csrss.exe Token: SeCreateTokenPrivilege 2528 csrss.exe Token: SeAssignPrimaryTokenPrivilege 2528 csrss.exe Token: SeLockMemoryPrivilege 2528 csrss.exe Token: SeIncreaseQuotaPrivilege 2528 csrss.exe Token: SeMachineAccountPrivilege 2528 csrss.exe Token: SeTcbPrivilege 2528 csrss.exe Token: SeSecurityPrivilege 2528 csrss.exe Token: SeTakeOwnershipPrivilege 2528 csrss.exe Token: SeLoadDriverPrivilege 2528 csrss.exe Token: SeSystemProfilePrivilege 2528 csrss.exe Token: SeSystemtimePrivilege 2528 csrss.exe Token: SeProfSingleProcessPrivilege 2528 csrss.exe Token: SeIncBasePriorityPrivilege 2528 csrss.exe Token: SeCreatePagefilePrivilege 2528 csrss.exe Token: SeCreatePermanentPrivilege 2528 csrss.exe Token: SeBackupPrivilege 2528 csrss.exe Token: SeRestorePrivilege 2528 csrss.exe Token: SeShutdownPrivilege 2528 csrss.exe Token: SeDebugPrivilege 2528 csrss.exe Token: SeAuditPrivilege 2528 csrss.exe Token: SeSystemEnvironmentPrivilege 2528 csrss.exe Token: SeChangeNotifyPrivilege 2528 csrss.exe Token: SeRemoteShutdownPrivilege 2528 csrss.exe Token: SeUndockPrivilege 2528 csrss.exe Token: SeSyncAgentPrivilege 2528 csrss.exe Token: SeEnableDelegationPrivilege 2528 csrss.exe Token: SeManageVolumePrivilege 2528 csrss.exe Token: SeImpersonatePrivilege 2528 csrss.exe Token: SeCreateGlobalPrivilege 2528 csrss.exe Token: 31 2528 csrss.exe Token: 32 2528 csrss.exe Token: 33 2528 csrss.exe Token: 34 2528 csrss.exe Token: 35 2528 csrss.exe Token: SeDebugPrivilege 2528 csrss.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2528 csrss.exe 2528 csrss.exe 2528 csrss.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 1708 wrote to memory of 2528 1708 JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe 30 PID 2528 wrote to memory of 2868 2528 csrss.exe 31 PID 2528 wrote to memory of 2868 2528 csrss.exe 31 PID 2528 wrote to memory of 2868 2528 csrss.exe 31 PID 2528 wrote to memory of 2868 2528 csrss.exe 31 PID 2528 wrote to memory of 2840 2528 csrss.exe 32 PID 2528 wrote to memory of 2840 2528 csrss.exe 32 PID 2528 wrote to memory of 2840 2528 csrss.exe 32 PID 2528 wrote to memory of 2840 2528 csrss.exe 32 PID 2528 wrote to memory of 2752 2528 csrss.exe 34 PID 2528 wrote to memory of 2752 2528 csrss.exe 34 PID 2528 wrote to memory of 2752 2528 csrss.exe 34 PID 2528 wrote to memory of 2752 2528 csrss.exe 34 PID 2528 wrote to memory of 2964 2528 csrss.exe 35 PID 2528 wrote to memory of 2964 2528 csrss.exe 35 PID 2528 wrote to memory of 2964 2528 csrss.exe 35 PID 2528 wrote to memory of 2964 2528 csrss.exe 35 PID 2964 wrote to memory of 2792 2964 cmd.exe 39 PID 2964 wrote to memory of 2792 2964 cmd.exe 39 PID 2964 wrote to memory of 2792 2964 cmd.exe 39 PID 2964 wrote to memory of 2792 2964 cmd.exe 39 PID 2868 wrote to memory of 2188 2868 cmd.exe 40 PID 2868 wrote to memory of 2188 2868 cmd.exe 40 PID 2868 wrote to memory of 2188 2868 cmd.exe 40 PID 2868 wrote to memory of 2188 2868 cmd.exe 40 PID 2840 wrote to memory of 1576 2840 cmd.exe 41 PID 2840 wrote to memory of 1576 2840 cmd.exe 41 PID 2840 wrote to memory of 1576 2840 cmd.exe 41 PID 2840 wrote to memory of 1576 2840 cmd.exe 41 PID 2752 wrote to memory of 2844 2752 cmd.exe 42 PID 2752 wrote to memory of 2844 2752 cmd.exe 42 PID 2752 wrote to memory of 2844 2752 cmd.exe 42 PID 2752 wrote to memory of 2844 2752 cmd.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5b1bd9d1fd84af18e8b4ba6b8a92876b.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Users\Admin\AppData\Local\Temp\csrss.exeC:\Users\Admin\AppData\Local\Temp\csrss.exe2⤵
- Adds policy Run key to start application
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2528 -
C:\Windows\SysWOW64\cmd.execmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f3⤵
- 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 /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2188
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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\Local\Temp\csrss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\csrss.exe:*:Enabled:Windows Messanger" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\csrss.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\csrss.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:1576
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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" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2844
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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\serv2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\serv2.exe:*:Enabled:Windows Messanger" /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2964 -
C:\Windows\SysWOW64\reg.exeREG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\serv2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\serv2.exe:*:Enabled:Windows Messanger" /f4⤵
- Modifies firewall policy service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:2792
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
3Active Setup
1Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
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Downloads
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Filesize
31KB
MD5ed797d8dc2c92401985d162e42ffa450
SHA10f02fc517c7facc4baefde4fe9467fb6488ebabe
SHA256b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e
SHA512e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2