Analysis
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max time kernel
150s -
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
02-12-2024 05:50
Behavioral task
behavioral1
Sample
b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
Resource
win7-20240708-en
windows7-x64
13 signatures
150 seconds
Behavioral task
behavioral2
Sample
b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe
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Size
93KB
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MD5
b71db5f9a027a69e4f0873348ebe35c1
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SHA1
05de12c1dea4aa51846b42eeedd77cb7ac76d548
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SHA256
75c8d9e832b0c09c9d183788b062d227fe75fbe1ee62be105762985712ae7d86
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SHA512
a3ba781734fbb3ffe47ecc728255953a9bef129d96152fb5696b3e9f727d780a661aa904bd536542f0e15f3639a7d4d78070746fd45062ec198d0f1fc35ce5d1
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SSDEEP
768:FY3r6pD9O/pBcxYsbae6GIXb9pDX2b98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk3TsGm:Q6LOx6baIa9RPj00ljEwzGi1dD/DYgS
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 3 IoCs
pid Process 2580 netsh.exe 2912 netsh.exe 1112 netsh.exe -
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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe -
Drops startup file 4 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe server.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\158a963e4971d14f9885ad09f8929995Windows Update.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\158a963e4971d14f9885ad09f8929995Windows Update.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 4256 server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Event Triggered Execution: Netsh Helper DLL 1 TTPs 9 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh netsh.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe 4256 server.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4256 server.exe -
Suspicious use of AdjustPrivilegeToken 37 IoCs
description pid Process Token: SeDebugPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe Token: 33 4256 server.exe Token: SeIncBasePriorityPrivilege 4256 server.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4532 wrote to memory of 4256 4532 b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe 82 PID 4532 wrote to memory of 4256 4532 b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe 82 PID 4532 wrote to memory of 4256 4532 b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe 82 PID 4256 wrote to memory of 1112 4256 server.exe 83 PID 4256 wrote to memory of 1112 4256 server.exe 83 PID 4256 wrote to memory of 1112 4256 server.exe 83 PID 4256 wrote to memory of 2580 4256 server.exe 85 PID 4256 wrote to memory of 2580 4256 server.exe 85 PID 4256 wrote to memory of 2580 4256 server.exe 85 PID 4256 wrote to memory of 2912 4256 server.exe 86 PID 4256 wrote to memory of 2912 4256 server.exe 86 PID 4256 wrote to memory of 2912 4256 server.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b71db5f9a027a69e4f0873348ebe35c1_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- Drops startup file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:1112
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C:\Windows\SysWOW64\netsh.exenetsh firewall delete allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe"3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2580
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C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2912
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Network
MITRE ATT&CK Enterprise v15
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
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Filesize
93KB
MD5b71db5f9a027a69e4f0873348ebe35c1
SHA105de12c1dea4aa51846b42eeedd77cb7ac76d548
SHA25675c8d9e832b0c09c9d183788b062d227fe75fbe1ee62be105762985712ae7d86
SHA512a3ba781734fbb3ffe47ecc728255953a9bef129d96152fb5696b3e9f727d780a661aa904bd536542f0e15f3639a7d4d78070746fd45062ec198d0f1fc35ce5d1
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Filesize
4B
MD5931db99e42055249760280846b3d667a
SHA19e0e0cea04560fcbf4ded54640a65a6987943672
SHA2562a6b5dd5f6530a184eba6f0cced2c935751cf2c27fc3ab2e7124e76a249fdee6
SHA51266471125ec18e0573e51decaf82bd7e1c792bad12ee0d98697a0870d1ddc670a6407912a648f44d5500ee543f37180ddf8825c86c8f990c2f8305620cf1ea6e0