Analysis
- max time kernel
150s - max time network
111s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
15/06/2024, 23:08
General
- Target b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe
- Size 272KB
- Sample240615-24lc7asekl
- SHA256 a8aacbec9944c9a5d1c6547bbf94340a8c87dc8b4720e4ad58dce4ff73168ecd
Malware Config
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
-
C:\Users\Admin\AppData\Local\Temp\A3V.exe"C:\Users\Admin\AppData\Local\Temp\A3V.exe" C:\Users\Admin\AppData\Local\Temp\b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
b09710f2292e71282442a7305a3cdba3_JaffaCakes118.exe.log
A3V.exe
memory/1140-8-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/1140-1-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/1140-2-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/1140-0-0x0000000074CE2000-0x0000000074CE3000-memory.dmp
memory/3012-11-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3012-10-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3012-9-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3012-12-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3012-5-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3012-26-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3012-27-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3920-24-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3920-25-0x0000000074CE0000-0x0000000075291000-memory.dmp
memory/3920-28-0x0000000074CE0000-0x0000000075291000-memory.dmp