Analysis
- max time kernel
136s - max time network
135s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
18/05/2024, 02:14
General
- Target 529d0f79119e4c926e0d65734d1883cb_JaffaCakes118.exe
- Size 401KB
- Sample240518-cn3vvsfe72
- SHA256 9c61440a4a2ad386598c39acd77ee3644b28d5339786b7c6c15decd446328d98
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.ru
-
Port
587
-
Username
-
Password
brillium360
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\529d0f79119e4c926e0d65734d1883cb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\529d0f79119e4c926e0d65734d1883cb_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
InstallUtil.exe
f.dll
memory/1712-0-0x000000007492E000-0x000000007492F000-memory.dmp
memory/1712-1-0x0000000000B00000-0x0000000000B6A000-memory.dmp
memory/1712-2-0x0000000005430000-0x000000000545C000-memory.dmp
memory/1712-3-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1712-4-0x0000000005C70000-0x0000000006214000-memory.dmp
memory/1712-5-0x0000000005540000-0x0000000005584000-memory.dmp
memory/1712-6-0x00000000056C0000-0x0000000005752000-memory.dmp
memory/1712-70-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-76-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-74-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-73-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-68-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-66-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-64-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-62-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-60-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-58-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-56-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-54-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-52-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-48-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-46-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-45-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-42-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-40-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-38-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-36-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-34-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-32-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-31-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-29-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-26-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-24-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-20-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-18-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-16-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-15-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-14-0x00000000733B0000-0x0000000073439000-memory.dmp
memory/1712-50-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-22-0x0000000005430000-0x0000000005455000-memory.dmp
memory/1712-195-0x000000007492E000-0x000000007492F000-memory.dmp
memory/1712-196-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1712-197-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/1712-199-0x0000000007200000-0x000000000720C000-memory.dmp
memory/1712-207-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2272-205-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2272-206-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2272-208-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2272-209-0x00000000053A0000-0x000000000543C000-memory.dmp
memory/2272-210-0x0000000005140000-0x0000000005158000-memory.dmp
memory/2272-211-0x00000000056B0000-0x0000000005716000-memory.dmp
memory/2272-212-0x0000000074920000-0x00000000750D0000-memory.dmp
memory/2272-213-0x00000000069C0000-0x0000000006A10000-memory.dmp
memory/2272-214-0x0000000006AA0000-0x0000000006AAA000-memory.dmp
memory/2272-215-0x0000000074920000-0x00000000750D0000-memory.dmp