Analysis
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max time kernel
142s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240704-en -
resource tags
arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system -
submitted
05-07-2024 21:20
Static task
static1
Behavioral task
behavioral1
Sample
2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe
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Size
196KB
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MD5
2721ec9f86717877e8986eb73e7d1b8b
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SHA1
9c8c6b269c90bacf6e882efd795d9dc342a054d9
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SHA256
5552de56d2c4d0b0bd20dc93b6a5cc7dff75759b293445073dce8a989c8c6d52
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SHA512
695e8c0740d931e051afcda70069a449aa2e0a0f9444868db54524e909edeef48a9148065e256eded22d7ea58df300a305fb8d629ccd67a7f40bfe28a4294ce2
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SSDEEP
3072:FA7lvBiyoAhlpJLidUx9Q3QUbIrUQxEcFOyTxnKUVuZZ4x:FAxvY6ZGUxmAUUgQx5IZZ4x
Malware Config
Extracted
metasploit
encoder/call4_dword_xor
Signatures
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MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
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Modifies firewall policy service 3 TTPs 8 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdk32.exe = "C:\\Windows\\SysWOW64\\igfxdk32.exe:*:Enabled:Intel Display Controller" igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications igfxdk32.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxdk32.exe = "C:\\Windows\\SysWOW64\\igfxdk32.exe:*:Enabled:Intel Display Controller" igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile igfxdk32.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications igfxdk32.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2547232018-1419253926-3356748848-1000\Control Panel\International\Geo\Nation 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 4748 igfxdk32.exe -
Executes dropped EXE 2 IoCs
pid Process 2156 igfxdk32.exe 4748 igfxdk32.exe -
resource yara_rule behavioral2/memory/3600-0-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3600-2-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3600-3-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3600-4-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/3600-40-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/4748-44-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/4748-45-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/4748-46-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/4748-47-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral2/memory/4748-48-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Display Controller = "C:\\Windows\\SysWOW64\\igfxdk32.exe" igfxdk32.exe -
Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum igfxdk32.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 igfxdk32.exe -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\igfxdk32.exe 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe File created C:\Windows\SysWOW64\igfxdk32.exe 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ igfxdk32.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3148 set thread context of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 2156 set thread context of 4748 2156 igfxdk32.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 4748 igfxdk32.exe 4748 igfxdk32.exe 4748 igfxdk32.exe 4748 igfxdk32.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3148 wrote to memory of 3600 3148 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 83 PID 3600 wrote to memory of 2156 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 85 PID 3600 wrote to memory of 2156 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 85 PID 3600 wrote to memory of 2156 3600 2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe 85 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 2156 wrote to memory of 4748 2156 igfxdk32.exe 86 PID 4748 wrote to memory of 3568 4748 igfxdk32.exe 56 PID 4748 wrote to memory of 3568 4748 igfxdk32.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3568
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C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3148 -
C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2721ec9f86717877e8986eb73e7d1b8b_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
PID:3600 -
C:\Windows\SysWOW64\igfxdk32.exe"C:\Windows\SysWOW64\igfxdk32.exe" C:\Users\Admin\AppData\Local\Temp\2721EC~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2156 -
C:\Windows\SysWOW64\igfxdk32.exe"C:\Windows\SysWOW64\igfxdk32.exe" C:\Users\Admin\AppData\Local\Temp\2721EC~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
PID:4748
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
2Replay Monitor
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Downloads
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Filesize
196KB
MD52721ec9f86717877e8986eb73e7d1b8b
SHA19c8c6b269c90bacf6e882efd795d9dc342a054d9
SHA2565552de56d2c4d0b0bd20dc93b6a5cc7dff75759b293445073dce8a989c8c6d52
SHA512695e8c0740d931e051afcda70069a449aa2e0a0f9444868db54524e909edeef48a9148065e256eded22d7ea58df300a305fb8d629ccd67a7f40bfe28a4294ce2