blackshades | 6099d3db49deb0b3e10f6ec70b77890facf037312ad54c3a5d279d7837ab3342

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\lf.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\lf.exe:*:Enabled:Windows Messanger"	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\lf.exe = "C:\\Users\\Admin\\AppData\\Roaming\\lf.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
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
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

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	lf.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\msnmsngr = "C:\\Users\\Admin\\AppData\\Roaming\\lf.exe"	lf.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.

persistence

Active Setup

T1547.014

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{0A3CBAB9-CDDD-BCEE-FE93-8AEBEFCDFB5E}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\lf.exe"	lf.exe
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{0A3CBAB9-CDDD-BCEE-FE93-8AEBEFCDFB5E}	lf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Active Setup\Installed Components\{0A3CBAB9-CDDD-BCEE-FE93-8AEBEFCDFB5E}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\lf.exe"	lf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{0A3CBAB9-CDDD-BCEE-FE93-8AEBEFCDFB5E}	lf.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe

Executes dropped EXE 2 IoCs

pid	Process
4960	Server.exe
5068	lf.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\msnmsngr = "C:\\Users\\Admin\\AppData\\Roaming\\lf.exe"	lf.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msnmsngr = "C:\\Users\\Admin\\AppData\\Roaming\\lf.exe"	lf.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000b000000023b85-23.dat	upx
behavioral2/memory/5068-31-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-49-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-54-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-58-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-61-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-64-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-68-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-71-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-81-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-84-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-88-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral2/memory/5068-91-0x0000000000400000-0x0000000000471000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lf.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	dw20.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

pid	Process
532	reg.exe
2568	reg.exe
3500	reg.exe
1960	reg.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4960	Server.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: 1	5068	lf.exe
Token: SeCreateTokenPrivilege	5068	lf.exe
Token: SeAssignPrimaryTokenPrivilege	5068	lf.exe
Token: SeLockMemoryPrivilege	5068	lf.exe
Token: SeIncreaseQuotaPrivilege	5068	lf.exe
Token: SeMachineAccountPrivilege	5068	lf.exe
Token: SeTcbPrivilege	5068	lf.exe
Token: SeSecurityPrivilege	5068	lf.exe
Token: SeTakeOwnershipPrivilege	5068	lf.exe
Token: SeLoadDriverPrivilege	5068	lf.exe
Token: SeSystemProfilePrivilege	5068	lf.exe
Token: SeSystemtimePrivilege	5068	lf.exe
Token: SeProfSingleProcessPrivilege	5068	lf.exe
Token: SeIncBasePriorityPrivilege	5068	lf.exe
Token: SeCreatePagefilePrivilege	5068	lf.exe
Token: SeCreatePermanentPrivilege	5068	lf.exe
Token: SeBackupPrivilege	5068	lf.exe
Token: SeRestorePrivilege	5068	lf.exe
Token: SeShutdownPrivilege	5068	lf.exe
Token: SeDebugPrivilege	5068	lf.exe
Token: SeAuditPrivilege	5068	lf.exe
Token: SeSystemEnvironmentPrivilege	5068	lf.exe
Token: SeChangeNotifyPrivilege	5068	lf.exe
Token: SeRemoteShutdownPrivilege	5068	lf.exe
Token: SeUndockPrivilege	5068	lf.exe
Token: SeSyncAgentPrivilege	5068	lf.exe
Token: SeEnableDelegationPrivilege	5068	lf.exe
Token: SeManageVolumePrivilege	5068	lf.exe
Token: SeImpersonatePrivilege	5068	lf.exe
Token: SeCreateGlobalPrivilege	5068	lf.exe
Token: 31	5068	lf.exe
Token: 32	5068	lf.exe
Token: 33	5068	lf.exe
Token: 34	5068	lf.exe
Token: 35	5068	lf.exe
Token: SeDebugPrivilege	5068	lf.exe
Token: SeDebugPrivilege	4960	Server.exe
Token: SeRestorePrivilege	2844	dw20.exe
Token: SeBackupPrivilege	2844	dw20.exe
Token: SeBackupPrivilege	2844	dw20.exe
Token: SeBackupPrivilege	2844	dw20.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5068	lf.exe
5068	lf.exe
5068	lf.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3284 wrote to memory of 4960	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	86
PID 3284 wrote to memory of 4960	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	86
PID 3284 wrote to memory of 4960	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	86
PID 3284 wrote to memory of 5068	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	87
PID 3284 wrote to memory of 5068	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	87
PID 3284 wrote to memory of 5068	3284	JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe	87
PID 5068 wrote to memory of 3176	5068	lf.exe	88
PID 5068 wrote to memory of 3176	5068	lf.exe	88
PID 5068 wrote to memory of 3176	5068	lf.exe	88
PID 5068 wrote to memory of 2252	5068	lf.exe	89
PID 5068 wrote to memory of 2252	5068	lf.exe	89
PID 5068 wrote to memory of 2252	5068	lf.exe	89
PID 5068 wrote to memory of 2812	5068	lf.exe	91
PID 5068 wrote to memory of 2812	5068	lf.exe	91
PID 5068 wrote to memory of 2812	5068	lf.exe	91
PID 5068 wrote to memory of 3104	5068	lf.exe	92
PID 5068 wrote to memory of 3104	5068	lf.exe	92
PID 5068 wrote to memory of 3104	5068	lf.exe	92
PID 3176 wrote to memory of 532	3176	cmd.exe	96
PID 3176 wrote to memory of 532	3176	cmd.exe	96
PID 3176 wrote to memory of 532	3176	cmd.exe	96
PID 2252 wrote to memory of 3500	2252	cmd.exe	98
PID 2252 wrote to memory of 3500	2252	cmd.exe	98
PID 2252 wrote to memory of 3500	2252	cmd.exe	98
PID 2812 wrote to memory of 2568	2812	cmd.exe	97
PID 2812 wrote to memory of 2568	2812	cmd.exe	97
PID 2812 wrote to memory of 2568	2812	cmd.exe	97
PID 3104 wrote to memory of 1960	3104	cmd.exe	99
PID 3104 wrote to memory of 1960	3104	cmd.exe	99
PID 3104 wrote to memory of 1960	3104	cmd.exe	99
PID 4960 wrote to memory of 2844	4960	Server.exe	103
PID 4960 wrote to memory of 2844	4960	Server.exe	103
PID 4960 wrote to memory of 2844	4960	Server.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d88f1dc07795ebf10f9cb025c26df1c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3284
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 1620
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- C:\Users\Admin\AppData\Local\Temp\lf.exe
  "C:\Users\Admin\AppData\Local\Temp\lf.exe"
  2⤵
  - 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:5068
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3176
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:532
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\lf.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\lf.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\lf.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\lf.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:3500
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2812
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\lf.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\lf.exe:*:Enabled:Windows Messanger" /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3104
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\lf.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\lf.exe:*:Enabled:Windows Messanger" /f
      4⤵
      Modifies firewall policy service
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Registry Run Keys / Startup Folder

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

System Information Discovery