latentbot | 58524944709f5765b585b156f9d533b822ded799461fc72285785088f3b8fe8b

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

Sality
Sality is backdoor written in C++, first discovered in 2003.
backdoor sality

UAC bypass 3 TTPs 2 IoCs

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Windows security bypass 2 TTPs 6 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral2/memory/1256-44-0x0000000000400000-0x0000000000463000-memory.dmp	modiloader_stage2
behavioral2/memory/3740-60-0x0000000000400000-0x0000000000463000-memory.dmp	modiloader_stage2
behavioral2/memory/3740-68-0x0000000000400000-0x0000000000463000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
3740	mstwain32.exe

Executes dropped EXE 1 IoCs

pid	Process
3740	mstwain32.exe

Loads dropped DLL 4 IoCs

pid	Process
3740	mstwain32.exe
3740	mstwain32.exe
3740	mstwain32.exe
3740	mstwain32.exe

Windows security modification 2 TTPs 7 IoCs

Disable or Modify Tools

T1562.001

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallOverride = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UacDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\Svc	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusOverride = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\FirewallDisableNotify = "1"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1256-0-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1256-1-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-6-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-7-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-9-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-5-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-4-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-14-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-18-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-15-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/1256-19-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/files/0x000400000001db13-25.dat	upx
behavioral2/memory/1256-44-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3740-32-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/1256-33-0x0000000002380000-0x000000000343A000-memory.dmp	upx
behavioral2/memory/3740-60-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral2/memory/3740-69-0x00000000033C0000-0x000000000447A000-memory.dmp	upx
behavioral2/memory/3740-61-0x00000000033C0000-0x000000000447A000-memory.dmp	upx
behavioral2/memory/3740-68-0x0000000000400000-0x0000000000463000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\e578fbd	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
File opened for modification	C:\Windows\SYSTEM.INI	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
File created	C:\Windows\mstwain32.exe	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
File opened for modification	C:\Windows\mstwain32.exe	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

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 2 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	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstwain32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeBackupPrivilege	1432	vssvc.exe
Token: SeRestorePrivilege	1432	vssvc.exe
Token: SeAuditPrivilege	1432	vssvc.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Token: SeDebugPrivilege	3740	mstwain32.exe
Token: SeDebugPrivilege	3740	mstwain32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3740	mstwain32.exe
3740	mstwain32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 800	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	9
PID 1256 wrote to memory of 808	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	10
PID 1256 wrote to memory of 384	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	13
PID 1256 wrote to memory of 2652	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	44
PID 1256 wrote to memory of 2664	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	45
PID 1256 wrote to memory of 2776	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	47
PID 1256 wrote to memory of 3464	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	55
PID 1256 wrote to memory of 3644	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	57
PID 1256 wrote to memory of 3848	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	58
PID 1256 wrote to memory of 3940	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	59
PID 1256 wrote to memory of 4004	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	60
PID 1256 wrote to memory of 1120	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	61
PID 1256 wrote to memory of 3692	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	62
PID 1256 wrote to memory of 880	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	75
PID 1256 wrote to memory of 4856	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	76
PID 1256 wrote to memory of 1404	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	82
PID 1256 wrote to memory of 3740	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	85
PID 1256 wrote to memory of 3740	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	85
PID 1256 wrote to memory of 3740	1256	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe	85

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:800

C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
1⤵
PID:808

C:\Windows\system32\dwm.exe
"dwm.exe"
1⤵
PID:384

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2652

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2664

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2776

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3464
- C:\Users\Admin\AppData\Local\Temp\16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe"
  2⤵
  - Modifies firewall policy service
  - UAC bypass
  - Windows security bypass
  - Checks computer location settings
  - Windows security modification
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1256
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\16006fc004311e4f0e2998b79aef3b8b_JaffaCakes118.exe"
    3⤵
    - UAC bypass
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - Adds Run key to start application
    - Checks whether UAC is enabled
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - System policy modification
    PID:3740

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3644

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3848

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3940

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4004

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:1120

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3692

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:880

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4856

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{F32D97DF-E3E5-4CB9-9E3E-0EB5B4E49801}
1⤵
PID:1404

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

4

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

3

T1082

System Location Discovery

T1614

System Language Discovery