Analysis
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max time kernel
140s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
13/04/2025, 08:02
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe
Resource
win10v2004-20250410-en
General
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Target
JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe
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Size
848KB
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MD5
b4081e1df39bb0f09072836b64ba2150
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SHA1
9be5b7afd6a335ebee992b69b730b2e1e215a9e7
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SHA256
3ddeecd858b81d3dd0718d832016a16fa929d2c1a3ad73cc53f4d12cd0e73cf1
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SHA512
d7bbe6063434906eab42d2b9f234b416a34f75d34d265a8d61421de0f78f90dfbd916f7cc7d37ec57530b9648f87a8cf596c0f9272dbf25a2184c3fa420326f8
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SSDEEP
12288:rntlE57yIgK2mub5AH9GwtJrJK6WW18NphYD74gKEziQrwoBCGD+UmejXaHAD+qV:DPwhC37M7oaD74mz/r+qn1jqU+qgGKy
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x000d000000024092-28.dat family_ardamax -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe Key value queried \REGISTRY\USER\S-1-5-21-2645532622-3298555945-705856666-1000\Control Panel\International\Geo\Nation INSTALL.EXE -
Executes dropped EXE 3 IoCs
pid Process 1580 INSTALL.EXE 4476 EGSJ.exe 4712 EGSJ.exe -
Loads dropped DLL 7 IoCs
pid Process 1580 INSTALL.EXE 4476 EGSJ.exe 4476 EGSJ.exe 4476 EGSJ.exe 4712 EGSJ.exe 4712 EGSJ.exe 4712 EGSJ.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\EGSJ Agent = "C:\\Windows\\SysWOW64\\28463\\EGSJ.exe" EGSJ.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\28463\EGSJ.007 INSTALL.EXE File created C:\Windows\SysWOW64\28463\EGSJ.exe INSTALL.EXE File created C:\Windows\SysWOW64\28463\key.bin INSTALL.EXE File created C:\Windows\SysWOW64\28463\AKV.exe INSTALL.EXE File opened for modification C:\Windows\SysWOW64\28463 EGSJ.exe File created C:\Windows\SysWOW64\28463\EGSJ.001 INSTALL.EXE File created C:\Windows\SysWOW64\28463\EGSJ.006 INSTALL.EXE -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\CG_448256_0001.JPG JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe File created C:\Windows\G_448256_0001.JPG JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe File created C:\Windows\CINSTALL.EXE JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe File created C:\Windows\INSTALL.EXE JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 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 EGSJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EGSJ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language INSTALL.EXE -
Modifies registry class 30 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\VersionIndependentProgID\ EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25} EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win32\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win64\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\FLAGS\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\TypeLib\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\InProcServer32\ = "%SystemRoot%\\SysWow64\\wisp.dll" EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0 EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win32 EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\TypeLib EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\ProgID EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\ProgID\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\ EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\FLAGS EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\InProcServer32 EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\ = "Microsoft Speech Object Library" EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win64\ = "%SystemRoot%\\SysWow64\\Speech_OneCore\\Common\\sapi_onecore.dll" EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\FLAGS\ = "0" EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\VersionIndependentProgID EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4 EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\VersionIndependentProgID\ = "Wisptis.TabletManager" EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\TypeLib\ = "{21CF4974-EB0D-D776-0227-74F206813F25}" EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF} EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\ = "Rijosas Apopilo Object" EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win32\ = "%SystemRoot%\\SysWow64\\Speech_OneCore\\Common\\sapi_onecore.dll" EGSJ.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{21CF4974-EB0D-D776-0227-74F206813F25}\5.4\0\win64 EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\InProcServer32\ EGSJ.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D6404EB3-A5F5-4F85-D9B5-9084655D1EBF}\ProgID\ = "Wisptis.TabletManager.1" EGSJ.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4476 EGSJ.exe Token: SeIncBasePriorityPrivilege 4476 EGSJ.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 4476 EGSJ.exe 4476 EGSJ.exe 4476 EGSJ.exe 4476 EGSJ.exe 4476 EGSJ.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3576 wrote to memory of 1580 3576 JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe 87 PID 3576 wrote to memory of 1580 3576 JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe 87 PID 3576 wrote to memory of 1580 3576 JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe 87 PID 1580 wrote to memory of 4476 1580 INSTALL.EXE 92 PID 1580 wrote to memory of 4476 1580 INSTALL.EXE 92 PID 1580 wrote to memory of 4476 1580 INSTALL.EXE 92 PID 4980 wrote to memory of 4712 4980 cmd.exe 95 PID 4980 wrote to memory of 4712 4980 cmd.exe 95 PID 4980 wrote to memory of 4712 4980 cmd.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4081e1df39bb0f09072836b64ba2150.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3576 -
C:\Windows\INSTALL.EXE"C:\Windows\INSTALL.EXE"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\28463\EGSJ.exe"C:\Windows\system32\28463\EGSJ.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4476
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\28463\EGSJ.exe1⤵
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\SysWOW64\28463\EGSJ.exeC:\Windows\SysWOW64\28463\EGSJ.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4712
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
4KB
MD54b8ed89120fe8ddc31ddba07bc15372b
SHA1181e7ac3d444656f50c1cd02a6832708253428e6
SHA2562ae6b0e14465338be0bc5ad10703f5c823d092ebb8cff7e5a05b7d79c8459b93
SHA51249269b71270b3eda0ddcb399021de9c88f6fd2086cf54fa4898a91e64afe109d44b635d47a5ea9bae7f53a5e968af97fa13bdf699ba00ce879ecadd7bbc8af23
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Filesize
787KB
MD5718093c2b1850c773acf1d2cb7a82e39
SHA17073d5bb7cbf3d8275f468b38dd9964f73383131
SHA256445478a3c42adb1a72c04632f9e4dcc67d6313abcb7244eaeada9c7777d0d19e
SHA512a1338d50fa1b07c0d3444b63a44fc644a36662709f2d527f5e93f30551b734c54bad452307db9a841f96fb2fbeca791d5b18733c8bab75c54dff5364307cb09f
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Filesize
457KB
MD546ccfd974518e5849738449034a05a17
SHA1d391108816aed7ba8f7beb205ad7171c74eae6b2
SHA256571aae1f8a260909dbc45c67b4c547fc573c07097b36d4e18db0e36d91deccfe
SHA512773a40a37ebc54cbde7c40ca98001150e78da43726e475f1ee25ef869a39682c0fcd46fb57cf6130151cd8115aa6f2c196e57414affe464fd3b137eb5b317a7a
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Filesize
516B
MD5a7d13bbd634d882bde3159594738208f
SHA19ac8ef9d5281709e8ac13f0345ca9e19308569bf
SHA256c27bb43472e3701971c062fc20ea0aeff221d3572ac46c04bb744460253f74ce
SHA512b3eff07c0f85866ac589c0915e8ef5217d552895e68b2cfb38b1a46c30b50bbab9847d65142786e9928f07acea7b46de13fe026562a6f6459e79a3182aefcfbd
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Filesize
8KB
MD5395bbef326fa5ad1216b23f5debf167b
SHA1aa4a7334b5a693b3f0d6f47b568e0d13a593d782
SHA2567c1c4ba8978d3ec53bc6da4d8f9e5e1ca52edf5ccf5ec19ef06b02055ff3b3d1
SHA512dc3f3d7501feb10623807e89f28a0e38bdbbd4a7e2ad964c8ab33c392bde61896fe40bb7773f6309cd59ad9a686decbd81c15b588ac8d311fd2a273ac9410679
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Filesize
5KB
MD51b5e72f0ebd49cf146f9ae68d792ffe5
SHA11e90a69c12b9a849fbbac0670296b07331c1cf87
SHA2568f4485675fe35b14276f5c8af8a6b42f03cf1b5de638355e4c4b28397385e87e
SHA5126364f5581de5aaec09b5d1c4e5745193f981ff93cf91e20c6c9ff56566b5d182ccbdacf9aeed1d7a01460eb21619e14ac4ab31b083a951b45b3b7f9d93a62ffc
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Filesize
649KB
MD52bff0c75a04401dada0adfab933e46a7
SHA1364d97f90b137f8e359d998164fb15d474be7bbb
SHA2562aa53bc5da3294817f95d8806effdf28e5af49661a955256c46db2b67cb6e6da
SHA51288b82973d3c042bceb75e12297111fa7b8bd4e2a7a37d26b698c595d8d75ec670cc7aebfa2572206c1b2a4ecbbfa3103affb8bee6d7ef47428a225e2cd1bea3f
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Filesize
105B
MD527c90d4d9b049f4cd00f32ed1d2e5baf
SHA1338a3ea8f1e929d8916ece9b6e91e697eb562550
SHA256172d6f21165fb3ca925e5b000451fd8946920206f7438018c28b158b90cf5ffb
SHA512d73dadb3cf74c647ce5bad5b87d3fb42a212defcba8afb8cf962020b61a0369c0a2b1005797583daf1f1ae88b29b7288bc544a53d643f3519cf604aa0ffd6dae