Analysis
-
max time kernel
149s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
20-06-2024 09:56
Static task
static1
Behavioral task
behavioral1
Sample
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
-
Target
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe
-
Size
185KB
-
MD5
04ef9325b31c0f6f9a16c682a15ae692
-
SHA1
19d77b13daf4b594b3f2d7f446f67c47dcbc085f
-
SHA256
277b05671cde04ed4f0e360ab8d86e8ea099437ce8f7445c82718f77ea216fea
-
SHA512
7312218be587f7ccd9a459b16095d8053839c0c509d35f0aec42a2290e51c1cb4639118586d0153038d4653cc75396ba47e480c762455b2386b00bedd732a13a
-
SSDEEP
3072:kcZXO5+/tavbuiNc5qjPZxJJ4fJXIwqqKXE:ln/taT5Nc6PVJe4n/XE
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
-
MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
-
Modifies firewall policy service 3 TTPs 8 IoCs
Processes:
igfxcm86.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxcm86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxcm86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control" igfxcm86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxcm86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxcm86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxcm86.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxcm86.exe = "C:\\Windows\\SysWOW64\\igfxcm86.exe:*:Enabled:Intel Service Control" igfxcm86.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxcm86.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe -
Deletes itself 1 IoCs
Processes:
igfxcm86.exepid process 1860 igfxcm86.exe -
Executes dropped EXE 2 IoCs
Processes:
igfxcm86.exeigfxcm86.exepid process 2368 igfxcm86.exe 1860 igfxcm86.exe -
Processes:
resource yara_rule behavioral2/memory/4308-0-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4308-5-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4308-4-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4308-3-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/1860-44-0x0000000000400000-0x0000000000433000-memory.dmp upx behavioral2/memory/4308-45-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/1860-47-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/1860-48-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/1860-49-0x0000000000400000-0x0000000000433000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
igfxcm86.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Service Control = "C:\\Windows\\SysWOW64\\igfxcm86.exe" igfxcm86.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exeigfxcm86.exedescription ioc process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxcm86.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxcm86.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe -
Drops file in System32 directory 4 IoCs
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exeigfxcm86.exedescription ioc process File opened for modification C:\Windows\SysWOW64\ 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\igfxcm86.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe File created C:\Windows\SysWOW64\igfxcm86.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ igfxcm86.exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exeigfxcm86.exedescription pid process target process PID 3964 set thread context of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 2368 set thread context of 1860 2368 igfxcm86.exe igfxcm86.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 1 IoCs
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exeigfxcm86.exepid process 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 1860 igfxcm86.exe 1860 igfxcm86.exe 1860 igfxcm86.exe 1860 igfxcm86.exe -
Suspicious use of UnmapMainImage 1 IoCs
Processes:
igfxcm86.exepid process 2368 igfxcm86.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exeigfxcm86.exeigfxcm86.exedescription pid process target process PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 3964 wrote to memory of 4308 3964 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe PID 4308 wrote to memory of 2368 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe igfxcm86.exe PID 4308 wrote to memory of 2368 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe igfxcm86.exe PID 4308 wrote to memory of 2368 4308 04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 2368 wrote to memory of 1860 2368 igfxcm86.exe igfxcm86.exe PID 1860 wrote to memory of 3480 1860 igfxcm86.exe Explorer.EXE PID 1860 wrote to memory of 3480 1860 igfxcm86.exe Explorer.EXE
Processes
-
C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
-
C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\04ef9325b31c0f6f9a16c682a15ae692_JaffaCakes118.exe"3⤵
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\igfxcm86.exe"C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\04EF93~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\igfxcm86.exe"C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\04EF93~1.EXE5⤵
- Modifies firewall policy service
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Modify Registry
2Impair Defenses
1Disable or Modify System Firewall
1Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\SysWOW64\igfxcm86.exeFilesize
185KB
MD504ef9325b31c0f6f9a16c682a15ae692
SHA119d77b13daf4b594b3f2d7f446f67c47dcbc085f
SHA256277b05671cde04ed4f0e360ab8d86e8ea099437ce8f7445c82718f77ea216fea
SHA5127312218be587f7ccd9a459b16095d8053839c0c509d35f0aec42a2290e51c1cb4639118586d0153038d4653cc75396ba47e480c762455b2386b00bedd732a13a
-
memory/1860-44-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
-
memory/1860-47-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/1860-48-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/1860-49-0x0000000000400000-0x0000000000433000-memory.dmpFilesize
204KB
-
memory/4308-0-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/4308-5-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/4308-4-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/4308-3-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
-
memory/4308-45-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB