Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
04/07/2024, 18:57
Static task
static1
Behavioral task
behavioral1
Sample
25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe
Resource
win10v2004-20240704-en
General
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Target
25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe
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Size
39KB
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MD5
25e30db1d905eefb0ad74eebdfc01a37
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SHA1
4bdc70ab859cfd8bdedb4f3f9b5bf96dd4661af2
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SHA256
8e56e8591cbd4268cb9f4d352296c0240f0562a75ecacd33b255dd3ef8bff9b6
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SHA512
e70b04fd006bcf72a42d34b4f69406c062c23d9e88794ce1d77637fba56b872ea728f0c25768a86c13b938c35aa5433c6f30754c3e3df70c956c47fa2f5addd0
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SSDEEP
384:AAJIKYrFCPyN9nQry+24eyk+xYx0k0sqUdQxbogEQbjWN6Mh1Xtvk09Snwb832Zx:veKYrF6yPjR4B9Ydsz1gxL9SnzY
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 836 netsh.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\ureg32 = "rundll32.exe ureg32.dll,uhik" 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\e8c8c941.dll 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe File created C:\Windows\SysWOW64\ureg32.dll 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\ureg32.dll 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe File created C:\Windows\SysWOW64\257b64dc.dll 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe File created C:\Windows\SysWOW64\e8c8c941.dll 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe -
Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 2940 sc.exe 2844 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 12 IoCs
description pid Process procid_target PID 840 wrote to memory of 836 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 28 PID 840 wrote to memory of 836 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 28 PID 840 wrote to memory of 836 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 28 PID 840 wrote to memory of 836 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 28 PID 840 wrote to memory of 2844 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 30 PID 840 wrote to memory of 2844 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 30 PID 840 wrote to memory of 2844 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 30 PID 840 wrote to memory of 2844 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 30 PID 840 wrote to memory of 2940 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 32 PID 840 wrote to memory of 2940 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 32 PID 840 wrote to memory of 2940 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 32 PID 840 wrote to memory of 2940 840 25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\25e30db1d905eefb0ad74eebdfc01a37_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:840 -
C:\Windows\SysWOW64\netsh.exeC:\Windows\system32\netsh.exe firewall add portopening TCP 1614 messenger2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:836
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" create ureg32 type= share start= auto DisplayName= "Registry Utility DLL" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\ureg32.dll,uhik"2⤵
- Launches sc.exe
PID:2844
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C:\Windows\SysWOW64\sc.exe"C:\Windows\System32\sc.exe" description ureg32 "Registry Utility DLL"2⤵
- Launches sc.exe
PID:2940
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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