Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
26-07-2024 11:33
Static task
static1
Behavioral task
behavioral1
Sample
73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe
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Size
28KB
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MD5
73e11812215021819ca736c3d1684dd3
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SHA1
d5f1dd40f74ae90a2d899ff6f4ce7a44c6e36886
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SHA256
159455503d8bafa828867b13a54e50c73545ede30b036655208b2d2a4f530b8d
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SHA512
6da441accf50f4249e2121b939edfcb69fe70b0d4d735325cc8a99b7ab4f67a5daa59470dd074542863d4986c3e1978dd7c2bfa9e32396d060943bebadb69f6d
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SSDEEP
768:2cXVqOBH+Lq/K0Ixd8HXVEu5TWS6z/vOa:dVILqBIxdQEUWnLvOa
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4368 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-1-5-21-701583114-2636601053-947405450-1000\Control Panel\International\Geo\Nation 73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe Trojan.exe -
Executes dropped EXE 1 IoCs
pid Process 928 Trojan.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .." Trojan.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 3 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 opened \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 -
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 73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Trojan.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 27 IoCs
pid Process 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe 928 Trojan.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 928 Trojan.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1928 wrote to memory of 928 1928 73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe 85 PID 1928 wrote to memory of 928 1928 73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe 85 PID 1928 wrote to memory of 928 1928 73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe 85 PID 928 wrote to memory of 4368 928 Trojan.exe 86 PID 928 wrote to memory of 4368 928 Trojan.exe 86 PID 928 wrote to memory of 4368 928 Trojan.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\73e11812215021819ca736c3d1684dd3_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Users\Admin\AppData\Local\Temp\Trojan.exe"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4368
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
28KB
MD573e11812215021819ca736c3d1684dd3
SHA1d5f1dd40f74ae90a2d899ff6f4ce7a44c6e36886
SHA256159455503d8bafa828867b13a54e50c73545ede30b036655208b2d2a4f530b8d
SHA5126da441accf50f4249e2121b939edfcb69fe70b0d4d735325cc8a99b7ab4f67a5daa59470dd074542863d4986c3e1978dd7c2bfa9e32396d060943bebadb69f6d