Analysis
- max time kernel
141s - max time network
49s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
12/06/2024, 20:26
General
- Target a234806fdb5780dc521f29db73836dfd_JaffaCakes118.exe
- Size 887KB
- Sample240612-y768aayfmc
- SHA256 4ead49976f1660a17149b79d1d3bdd11b186406801d8fad5a85b8a7d1e749f67
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.sherwjn.com
-
Port
587
-
Username
-
Password
GRACE1234
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 6 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
- 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\a234806fdb5780dc521f29db73836dfd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a234806fdb5780dc521f29db73836dfd_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a234806fdb5780dc521f29db73836dfd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a234806fdb5780dc521f29db73836dfd_JaffaCakes118.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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/1272-0-0x00000000007F0000-0x00000000007F1000-memory.dmp
memory/1272-2-0x0000000000400000-0x00000000004E5000-memory.dmp
memory/1272-1-0x0000000000475000-0x0000000000488000-memory.dmp
memory/2944-10-0x0000000000A80000-0x0000000000AE6000-memory.dmp
memory/2944-23-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-9-0x0000000000A80000-0x0000000000AE6000-memory.dmp
memory/2944-7-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-6-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-3-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-22-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-5-0x0000000000400000-0x00000000004D9000-memory.dmp
memory/2944-24-0x0000000004E60000-0x0000000005404000-memory.dmp
memory/2944-25-0x0000000004B20000-0x0000000004BB2000-memory.dmp
memory/2944-26-0x0000000004CF0000-0x0000000004D8C000-memory.dmp
memory/2944-28-0x0000000005950000-0x0000000005968000-memory.dmp
memory/2944-29-0x0000000005970000-0x00000000059D6000-memory.dmp
memory/2944-32-0x0000000006150000-0x00000000061A0000-memory.dmp
memory/2944-34-0x0000000006310000-0x000000000631A000-memory.dmp