Analysis
- max time kernel
140s - max time network
100s - platform
windows7_x64 - resource
win7-20240729-en - resource tags
- submitted
22/10/2024, 03:55
General
- Target 68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exe
- Size 173KB
- Sample241022-egynnsxfqj
- SHA256 64f8cbf687e068475e735f282d55a4f460bd3aee737b3a03fe316d775ff6dbe7
Malware Config
Signatures
- Modifies security service 2 TTPs 1 IoCs
- 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.
- Disables taskbar notifications via registry modification
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- UPX packed file 9 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 3 IoCs
- 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.
- Modifies registry class 5 IoCs
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of AdjustPrivilegeToken 15 IoCs
- Suspicious use of FindShellTrayWindow 28 IoCs
- Suspicious use of SendNotifyMessage 18 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- System policy modification 1 TTPs 2 IoCs
- 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
-
C:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exe"1⤵
- Modifies security service
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
-
C:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\ACBA6\57EE8.exe%C:\Users\Admin\AppData\Roaming\ACBA62⤵
- System Location Discovery: System Language Discovery
-
-
C:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\68ca5838b89bdcbff5ebfb24eb7c71b4_JaffaCakes118.exe startC:\Program Files (x86)\A6283\lvvm.exe%C:\Program Files (x86)\A62832⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
-
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
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
6283.CBA
6283.CBA
6283.CBA
memory/1768-85-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1768-16-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1768-17-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1768-2-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1768-1-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1768-183-0x0000000000400000-0x0000000000452000-memory.dmp
memory/1768-188-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2364-84-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2900-15-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2900-13-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2900-12-0x0000000000400000-0x0000000000452000-memory.dmp