Analysis
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max time kernel
141s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2024 06:59
Static task
static1
Behavioral task
behavioral1
Sample
e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe
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Size
497KB
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MD5
e1f0394e7a92e7a6882874c87fa10821
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SHA1
e14df8aa6899ada28756d88976fb1e485fbfaad6
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SHA256
57adf57219631876c6264c2f2dcd18f83537b80525bed3217db28c9e56613acf
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SHA512
af5d3a4c7117f74c541493e03c2f10a81ab13606e91df8bab8b2a0f8a30b2fb99680d6a0592d0bc551ab0c7c62544240875126258276f179a6870ec7838ba156
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SSDEEP
12288:31Ra1rN4wopVauKAxZkhwryPNtTirdorX:3Drp4XAx+hwrynTEdo
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2652 EntSver.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\EntSver.exe e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe File opened for modification C:\Windows\EntSver.exe e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe -
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 e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EntSver.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ EntSver.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1" EntSver.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1" EntSver.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1" EntSver.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" EntSver.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1308 e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe Token: SeDebugPrivilege 2652 EntSver.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2652 EntSver.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2652 wrote to memory of 3888 2652 EntSver.exe 87 PID 2652 wrote to memory of 3888 2652 EntSver.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e1f0394e7a92e7a6882874c87fa10821_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1308
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C:\Windows\EntSver.exeC:\Windows\EntSver.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"2⤵PID:3888
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
497KB
MD5e1f0394e7a92e7a6882874c87fa10821
SHA1e14df8aa6899ada28756d88976fb1e485fbfaad6
SHA25657adf57219631876c6264c2f2dcd18f83537b80525bed3217db28c9e56613acf
SHA512af5d3a4c7117f74c541493e03c2f10a81ab13606e91df8bab8b2a0f8a30b2fb99680d6a0592d0bc551ab0c7c62544240875126258276f179a6870ec7838ba156