Analysis
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max time kernel
142s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2024, 01:11
Static task
static1
Behavioral task
behavioral1
Sample
80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe
Resource
win10v2004-20241007-en
General
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Target
80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe
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Size
1.2MB
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MD5
80fbd38e5fc7bedb55e4fdcbc3270134
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SHA1
0c0d9533c1a0698e2e71839e92be1976bd567be6
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SHA256
c9c5673f51113ac6e5fb74a477ff1b8b59e2382da935367facf882d25f64f0fc
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SHA512
669a5745d27c16086afd2c53e5818db24d10d144b25984511994ce0e2802d46d4d5a1532a37094a05638d8cbc4a453334876f7bb2d79ed275dfb73d945281619
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SSDEEP
24576:UrStFAHYiZgoBDFwQd4Wo71EaXmFFOQPONcTnq:Uqy41MOQd4Wo7unfTnq
Malware Config
Signatures
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Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\idestong\Parameters\ServiceDll = "C:\\Windows\\system32\\idestong.dll" 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe -
Loads dropped DLL 1 IoCs
pid Process 3768 svchost.exe -
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 System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\idestong.dll 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe File created C:\Windows\SysWOW64\idestong.dll 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe -
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 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Modifies registry class 4 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81BBE965-81BB-E965-81BB-E96581BBE965} 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81BBE965-81BB-E965-81BB-E96581BBE965}\ = "Color Property Page" 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81BBE965-81BB-E965-81BB-E96581BBE965}\InprocServer32 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{81BBE965-81BB-E965-81BB-E96581BBE965}\InprocServer32\ = "C:\\Windows\\SysWOW64\\mfc42u.dll" 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 1356 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe Token: SeIncBasePriorityPrivilege 1356 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1356 wrote to memory of 3812 1356 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe 88 PID 1356 wrote to memory of 3812 1356 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe 88 PID 1356 wrote to memory of 3812 1356 80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe"1⤵
- Server Software Component: Terminal Services DLL
- Checks BIOS information in registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del "C:\Users\Admin\AppData\Local\Temp\80fbd38e5fc7bedb55e4fdcbc3270134_JaffaCakes118.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3812
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k netsvcs1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
526KB
MD515e4bf466469dc7a613ba10b1d5b42cd
SHA1de4e1a8b59ffe85d0afa5722fc3d5d46a08e62d5
SHA256c3da1b2a614ca2ecce648b98bbaf802b10a8728b0dadf332206790f33c959963
SHA5128102335b979b16ab981f919fec3912fcc43c99d11c4c3db8254abd7a7dbd21f07d4f3a11629d987eaefb40d04d6e3418bad07d9b4a0940480f114f06473ecbc0