Analysis
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max time kernel
149s -
max time network
49s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
27/06/2024, 03:48
Static task
static1
Behavioral task
behavioral1
Sample
14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe
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Size
185KB
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MD5
14927d008ff009c30bada8e317fd1ea2
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SHA1
e4e21c8b9f51946af1c0a445bc08553e23510e6f
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SHA256
e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba
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SHA512
a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80
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SSDEEP
3072:e0CQaH5qyUy4ctZs3sIfHUEbDhW3jyu7H5XrkqEsC19A:UW1y5jAsqHJbDQmu7H5Y8
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\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 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 -
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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe -
Deletes itself 1 IoCs
pid Process 4512 igfxcm86.exe -
Executes dropped EXE 2 IoCs
pid Process 2708 igfxcm86.exe 4512 igfxcm86.exe -
resource yara_rule behavioral2/memory/4352-0-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4352-2-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4352-3-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4352-4-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-42-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-43-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4352-45-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-47-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-48-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-49-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/4512-51-0x0000000000400000-0x000000000044E000-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 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 14927d008ff009c30bada8e317fd1ea2_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 -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ igfxcm86.exe File opened for modification C:\Windows\SysWOW64\ 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\igfxcm86.exe 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe File created C:\Windows\SysWOW64\igfxcm86.exe 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1256 set thread context of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 2708 set thread context of 4512 2708 igfxcm86.exe 83 -
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\ 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 4512 igfxcm86.exe 4512 igfxcm86.exe 4512 igfxcm86.exe 4512 igfxcm86.exe -
Suspicious use of WriteProcessMemory 19 IoCs
description pid Process procid_target PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 1256 wrote to memory of 4352 1256 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 81 PID 4352 wrote to memory of 2708 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 82 PID 4352 wrote to memory of 2708 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 82 PID 4352 wrote to memory of 2708 4352 14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe 82 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 2708 wrote to memory of 4512 2708 igfxcm86.exe 83 PID 4512 wrote to memory of 3580 4512 igfxcm86.exe 56 PID 4512 wrote to memory of 3580 4512 igfxcm86.exe 56
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3580
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C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256 -
C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\14927d008ff009c30bada8e317fd1ea2_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:4352 -
C:\Windows\SysWOW64\igfxcm86.exe"C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~1.EXE4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Windows\SysWOW64\igfxcm86.exe"C:\Windows\SysWOW64\igfxcm86.exe" C:\Users\Admin\AppData\Local\Temp\14927D~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:4512
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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
185KB
MD514927d008ff009c30bada8e317fd1ea2
SHA1e4e21c8b9f51946af1c0a445bc08553e23510e6f
SHA256e3812e3a415389dc3db0df9dad7a049bd9b6bd4d95381d1c070aeda351beddba
SHA512a268bd14034544c3b0a5b8475a2dcb8d900603c93639c747e19894a1504002e58d87ba7f22c5afb78a2a726530f859bd8283e23c200dd0f9ae7ed6044334be80