Analysis
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max time kernel
121s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
21-02-2025 04:20
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe
Resource
win10v2004-20250217-en
General
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Target
JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe
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Size
955KB
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MD5
1031bf738894f59020763eaaa5c2b793
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SHA1
ae42eaa1cea4950e8c75dce144ef2d5553fe46cf
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SHA256
263e3f3ff7b18c8a84e908b86ed3c01199db505e6a2e75585105c0b6958fbeab
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SHA512
9bb25e647b70191cbb52b4634214d4a01a3874398c8e8b18e25880602c6751e3a9a3b9221bf415e2da9f6ce328bac7c9913fa9377830face0067a6f57b99896d
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SSDEEP
24576:p0NzTGDvC2dOosk7kzDnYRiKau/vplBEWuQMUvs:p0pTW3dOoRkfYMC/zBEW
Malware Config
Signatures
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Ardamax family
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Ardamax main executable 1 IoCs
resource yara_rule behavioral1/files/0x0007000000016cec-8.dat family_ardamax -
Executes dropped EXE 1 IoCs
pid Process 2824 UDS.exe -
Loads dropped DLL 2 IoCs
pid Process 2700 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe 2824 UDS.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\UDS Start = "C:\\Windows\\MBSJRS\\UDS.exe" UDS.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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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Drops file in Windows directory 5 IoCs
description ioc Process File created C:\Windows\MBSJRS\UDS.001 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe File created C:\Windows\MBSJRS\UDS.002 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe File created C:\Windows\MBSJRS\UDS.exe JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe File opened for modification C:\Windows\MBSJRS\ UDS.exe File created C:\Windows\MBSJRS\UDS.004 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.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 3 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 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language UDS.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2824 UDS.exe 2824 UDS.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: 33 2824 UDS.exe Token: SeIncBasePriorityPrivilege 2824 UDS.exe Token: SeIncBasePriorityPrivilege 2824 UDS.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2824 UDS.exe 2824 UDS.exe 2824 UDS.exe 2824 UDS.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2700 wrote to memory of 2824 2700 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe 31 PID 2700 wrote to memory of 2824 2700 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe 31 PID 2700 wrote to memory of 2824 2700 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe 31 PID 2700 wrote to memory of 2824 2700 JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe 31 PID 2824 wrote to memory of 2736 2824 UDS.exe 32 PID 2824 wrote to memory of 2736 2824 UDS.exe 32 PID 2824 wrote to memory of 2736 2824 UDS.exe 32 PID 2824 wrote to memory of 2736 2824 UDS.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1031bf738894f59020763eaaa5c2b793.exe"1⤵
- Loads dropped DLL
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700 -
C:\Windows\MBSJRS\UDS.exe"C:\Windows\MBSJRS\UDS.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Windows\MBSJRS\UDS.exe > nul3⤵
- System Location Discovery: System Language Discovery
PID:2736
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD50e7e847fb96b4faa6cb4d3707a96887e
SHA1896fd4064044e271312e9128e874108eec69521f
SHA256c0f3e18ed0020dae5f75d3338b51f9c8de26d8af0a4d31904ba77cb1d112bbca
SHA512ad680ed30b0cabe1be4e7237b8e620060de9c5f64d088d21a6acf6f293551ab4abc10f8f959aa6041e19aeaea538e72beeecc29b7669546a9a151141d4e73684
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Filesize
43KB
MD5f195701cf2c54d6ceadad943cf5135b8
SHA19beb03fc097fc58d7375b0511b87ced98a423a08
SHA256177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec
SHA512f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025
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Filesize
1KB
MD512b85ce466ffdc5172949d97b578c5ef
SHA1d33725167bf7fa6607985938afa335e2cfc1eb71
SHA2569b3097bfdd69d1c54d18b5d4214e19b112bf45b7df42a0639e2724cd59174202
SHA51223a3b8694d00d583d8fa2236210bf6c1cc6be91a4d2eb92c7bd5247fcc5f7b822c6ad134a8bac0f52e97346d904f54e9486bf21665b97013aa7886a8987e104e
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Filesize
1.7MB
MD5d95623e481661c678a0546e02f10f24c
SHA1b6949e68a19b270873764585eb1e82448d1e0717
SHA256cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da
SHA512dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591