Analysis
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max time kernel
145s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02/10/2024, 19:17
Static task
static1
Behavioral task
behavioral1
Sample
0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe
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Size
324KB
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MD5
0c21c76ef1241ec901459146bbbda82c
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SHA1
fc2126b7814095bad13156a280f646906b2e207e
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SHA256
b16788178214847ba54efaf55596babada0336689173f40a41286274107682e8
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SHA512
fdd007251a3457b67bc94a9272cd20ab3c0ac77adb1dff60928bb4bf3c57cde6a7b1436e8129a0faf2d985b73c54742edcf373fe1d3b4a63d58958d0e79e292c
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SSDEEP
6144:nnuzKS+cEKpmeHxh8ckm/TH89bNYVMDZatPv040T:nIMA138KHaGv0
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 1 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Active Setup\Installed Components explorer.exe -
Disables taskbar notifications via registry modification
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Deletes itself 1 IoCs
pid Process 2092 uhx.exe -
Executes dropped EXE 1 IoCs
pid Process 2092 uhx.exe -
Loads dropped DLL 2 IoCs
pid Process 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe -
Modifies system executable filetype association 2 TTPs 17 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\DefaultIcon uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\Content Type = "application/x-msdownload" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\DefaultIcon\ = "%1" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\uhx.exe\" -a \"%1\" %*" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\ = "Application" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*" uhx.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\ctfmon.exe = "C:\\WINDOWS\\system32\\ctfmon.exe" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\418947504 = "C:\\Users\\Admin\\AppData\\Local\\uhx.exe" uhx.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 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language uhx.exe -
Modifies registry class 41 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command\ = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\Content Type = "application/x-msdownload" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\open\command uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\start\command\IsolatedCommand = "\"%1\" %*" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\Content Type = "application/x-msdownload" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\uhx.exe\" -a \"%1\" %*" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command\ = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\DefaultIcon uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\DefaultIcon\ = "%1" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\runas\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\DefaultIcon uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\ = "exefile" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\open\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\start uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\open\command\ = "\"C:\\Users\\Admin\\AppData\\Local\\uhx.exe\" -a \"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\runas\command uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\start\command\ = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas\command\IsolatedCommand = "\"%1\" %*" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\runas uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\start\command uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\ = "Application" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\runas uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\start\command\IsolatedCommand = "\"%1\" %*" uhx.exe Set value (data) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\open uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.exe\shell\runas\command\ = "\"%1\" %*" uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\DefaultIcon\ = "%1" uhx.exe Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open uhx.exe Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\exefile\shell\open\command\IsolatedCommand = "\"%1\" %*" uhx.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 2092 uhx.exe 2092 uhx.exe 2092 uhx.exe 2092 uhx.exe 2092 uhx.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2748 explorer.exe -
Suspicious use of AdjustPrivilegeToken 16 IoCs
description pid Process Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe Token: SeShutdownPrivilege 2748 explorer.exe -
Suspicious use of FindShellTrayWindow 37 IoCs
pid Process 2092 uhx.exe 2092 uhx.exe 2092 uhx.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2092 uhx.exe 2748 explorer.exe 2748 explorer.exe 2092 uhx.exe 2092 uhx.exe 2748 explorer.exe -
Suspicious use of SendNotifyMessage 20 IoCs
pid Process 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2748 explorer.exe 2092 uhx.exe 2092 uhx.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2092 uhx.exe 2092 uhx.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2524 wrote to memory of 2092 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2092 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2092 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2092 2524 0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe 31 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Users\Admin\AppData\Local\uhx.exe"C:\Users\Admin\AppData\Local\uhx.exe" -gav C:\Users\Admin\AppData\Local\Temp\0c21c76ef1241ec901459146bbbda82c_JaffaCakes118.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2092
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C:\Windows\explorer.exeexplorer.exe1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2748
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
324KB
MD50c21c76ef1241ec901459146bbbda82c
SHA1fc2126b7814095bad13156a280f646906b2e207e
SHA256b16788178214847ba54efaf55596babada0336689173f40a41286274107682e8
SHA512fdd007251a3457b67bc94a9272cd20ab3c0ac77adb1dff60928bb4bf3c57cde6a7b1436e8129a0faf2d985b73c54742edcf373fe1d3b4a63d58958d0e79e292c