Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
11-07-2024 22:07
Static task
static1
Behavioral task
behavioral1
Sample
3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe
Resource
win10v2004-20240709-en
General
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Target
3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe
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Size
32KB
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MD5
3ae57de910eebbb8f4f0d8320f21c1ee
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SHA1
73a9436558d358141bf217bc5314ef129a958d6c
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SHA256
499be6c52eb87fe76223cc3585480490368687e24055b95deaa5b9251974a81a
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SHA512
0316c34a51f0aac8a3156108c26de70d86b98b1dc6540fa01285a29344c67fa80c2cb9e4a94c535bce18b976d94d6da5ab9fabfcc928bc7a6dbb115bffc946c1
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SSDEEP
384:F4fv4JNyA6ux6dKbkNfndWiCHj08QwKDdiO451NjMPYORYZwkizuf030eog:FLJNyex6dsETCRQwKpKNjWYykeuf0n
Malware Config
Signatures
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Creates new service(s) 2 TTPs
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1164 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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\rtm32 = "rundll32.exe rtm32.dll,ygaw" 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ddca783e.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File created C:\Windows\SysWOW64\0cd843d5.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File created C:\Windows\SysWOW64\3d519c8d.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\3d519c8d.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File created C:\Windows\SysWOW64\rtm32.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\rtm32.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe File created C:\Windows\SysWOW64\ddca783e.dll 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4676 sc.exe 3044 sc.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 -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2900 wrote to memory of 4676 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 85 PID 2900 wrote to memory of 4676 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 85 PID 2900 wrote to memory of 4676 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 85 PID 2900 wrote to memory of 3044 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 88 PID 2900 wrote to memory of 3044 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 88 PID 2900 wrote to memory of 3044 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 88 PID 2900 wrote to memory of 1164 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 89 PID 2900 wrote to memory of 1164 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 89 PID 2900 wrote to memory of 1164 2900 3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3ae57de910eebbb8f4f0d8320f21c1ee_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2900 -
C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create rtm32 type= share start= auto DisplayName= "Routing Table Manager" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\rtm32.dll,ygaw"2⤵
- Launches sc.exe
PID:4676
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description rtm32 "Routing Table Manager"2⤵
- Launches sc.exe
PID:3044
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C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe firewall add portopening TCP 1563 messenger2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:1164
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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
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Event Triggered Execution
1Netsh Helper DLL
1