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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
10/08/2024, 10:26
Static task
static1
Behavioral task
behavioral1
Sample
85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe
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Size
36KB
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MD5
85b6409e2d69f26730e436aaa0af1f3f
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SHA1
42282e388283c65733f52c78e81ca3fc11ababe3
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SHA256
928ddb9c9ff21bb503f4c9ea630fd11b235ca74d34219fc74531d62f20868c12
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SHA512
4206df12ca1268c12f9ba854f187258a0a951dd7ea86a574d167501d245f489fc0565e906bfee3ac285440a0c7af33451952c309a025bda9c23183b276510317
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SSDEEP
384:jhGsriCS7iW6MR3OBv6dL2GCrnqencV4pPzznZuPfn:Sc+NNL2nrnqen44lUf
Malware Config
Signatures
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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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2944 winlogon.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Windows\\winlogon.exe" winlogon.exe Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Winlogon = "C:\\Windows\\winlogon.exe" winlogon.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\winlogon.exe 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe File opened for modification C:\Windows\winlogon.exe 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe File created C:\Windows\winlogon.exe winlogon.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 2 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 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language winlogon.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe 2944 winlogon.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4904 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe 4904 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe 2944 winlogon.exe 2944 winlogon.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4904 wrote to memory of 2944 4904 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe 87 PID 4904 wrote to memory of 2944 4904 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe 87 PID 4904 wrote to memory of 2944 4904 85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\85b6409e2d69f26730e436aaa0af1f3f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4904 -
C:\Windows\winlogon.exe"C:\Windows\winlogon.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2944
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
36KB
MD585b6409e2d69f26730e436aaa0af1f3f
SHA142282e388283c65733f52c78e81ca3fc11ababe3
SHA256928ddb9c9ff21bb503f4c9ea630fd11b235ca74d34219fc74531d62f20868c12
SHA5124206df12ca1268c12f9ba854f187258a0a951dd7ea86a574d167501d245f489fc0565e906bfee3ac285440a0c7af33451952c309a025bda9c23183b276510317