Analysis
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max time kernel
148s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27-11-2024 01:38
Behavioral task
behavioral1
Sample
a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe
Resource
win7-20240903-en
9 signatures
150 seconds
General
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Target
a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe
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Size
203KB
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MD5
a539f649f2466ea573d2f9e174548fb4
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SHA1
f23a2954c05bf1d9a912568960d69f2764a7faac
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SHA256
eea3ec2fb67656b2b2c8eecda172954924cb20f47ef0b59dc788595f220ead4d
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SHA512
e33e3a1543589444b80315998a70e6ed10fd943bf5aa060b7314a0bd319e8911dd2455239b9437a1a4db38324b9acfdded72b2b6da13ee6033e97b09dc867657
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SSDEEP
6144:cLV6Bta6dtJmakIM5vDr7rb2Wdkytz9sx:cLV6BtpmkemWlt4
Malware Config
Signatures
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Nanocore family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe" a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files (x86)\SMTP Subsystem\smtpss.exe a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\SMTP Subsystem\smtpss.exe a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe Token: SeDebugPrivilege 2328 a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a539f649f2466ea573d2f9e174548fb4_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2328