Analysis
- max time kernel
145s - max time network
51s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/06/2024, 09:18
General
- Target bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe
- Size 705KB
- Sample240618-k9zz4axblc
- SHA256 5e0b3550098aeaef4722fe9d3299c218e399fb9d379c04336d70bd1be58f61d1
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 5 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.
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 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
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bafcee0089e4fa1b3b772351cbb0cae1_JaffaCakes118.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1540-0-0x0000000000790000-0x0000000000791000-memory.dmp
memory/1540-1-0x00000000022A0000-0x00000000022B0000-memory.dmp
memory/1540-12-0x0000000000400000-0x00000000004B6000-memory.dmp
memory/1540-7-0x0000000002310000-0x0000000002311000-memory.dmp
memory/1668-3-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1668-8-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1668-11-0x0000000000850000-0x0000000000886000-memory.dmp
memory/1668-10-0x0000000000850000-0x0000000000886000-memory.dmp
memory/1668-6-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1668-5-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1668-23-0x0000000000400000-0x000000000047A000-memory.dmp