Analysis
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max time kernel
140s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
22/08/2024, 06:55
Static task
static1
Behavioral task
behavioral1
Sample
b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe
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Size
1.0MB
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MD5
b6bd056193b17362bc877efc436f6bd6
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SHA1
af80ead0ff0197192f41ad9083936c959cef97dc
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SHA256
17257b9ae489bae430e254fded19f00e9ddbce3539c1a3d9bcc4397de80add14
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SHA512
4f2ea14572cb7792f3caa11ce61b5ed2c841ada510382bb47359c3664c01b7335975dc74a8ebc82d6aee17ea54be0ce4ec5aabc7cd6ed92ad43125d89c6e6081
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SSDEEP
24576:MVBGhPCKeFhCpTBk9mm+uTzHKcTBZwmDI3TdPAzfc:MHGhPCzFhCTwzHVTjH8uz
Malware Config
Signatures
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Modifies security service 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "0" reg.exe -
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Wine b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 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 reg.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.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 -
Modifies registry key 1 TTPs 2 IoCs
pid Process 620 reg.exe 3176 reg.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2604 wrote to memory of 3120 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 87 PID 2604 wrote to memory of 3120 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 87 PID 2604 wrote to memory of 3120 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 87 PID 3120 wrote to memory of 620 3120 cmd.exe 89 PID 3120 wrote to memory of 620 3120 cmd.exe 89 PID 3120 wrote to memory of 620 3120 cmd.exe 89 PID 2604 wrote to memory of 1068 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 94 PID 2604 wrote to memory of 1068 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 94 PID 2604 wrote to memory of 1068 2604 b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe 94 PID 1068 wrote to memory of 532 1068 cmd.exe 96 PID 1068 wrote to memory of 532 1068 cmd.exe 96 PID 1068 wrote to memory of 532 1068 cmd.exe 96 PID 532 wrote to memory of 3176 532 cmd.exe 97 PID 532 wrote to memory of 3176 532 cmd.exe 97 PID 532 wrote to memory of 3176 532 cmd.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b6bd056193b17362bc877efc436f6bd6_JaffaCakes118.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2604 -
C:\Windows\SysWOW64\cmd.execmd /k C:\Windows\System32\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Services\wscsvc /v Start /t REG_DWORD /d 0 /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3120 -
C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SYSTEM\CurrentControlSet\Services\wscsvc /v Start /t REG_DWORD /d 0 /f3⤵
- Modifies security service
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:620
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C:\Windows\SysWOW64\cmd.execmd /k C:\Windows\System32\cmd.exe /k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1068 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\System32\cmd.exe /k C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532 -
C:\Windows\SysWOW64\reg.exeC:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f4⤵
- UAC bypass
- System Location Discovery: System Language Discovery
- Modifies registry key
PID:3176
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Create or Modify System Process
1Windows Service
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Virtualization/Sandbox Evasion
2