Analysis
- max time kernel
116s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
09/09/2024, 08:38
General
- Target DBG1435766.pdf.exe
- Size 642KB
- Sample240909-kjp27ssckc
- SHA256 58e4540c1c53bc7bdcaa26de63fdff31ac8b6db3746c11aa20d0267e8bf83108
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DBG1435766.pdf.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
DBG1435766.pdf.exe.log
memory/2224-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2224-19-0x0000000074990000-0x0000000075140000-memory.dmp
memory/2224-18-0x0000000006E40000-0x0000000006E90000-memory.dmp
memory/2224-17-0x0000000005870000-0x00000000058D6000-memory.dmp
memory/2224-16-0x0000000074990000-0x0000000075140000-memory.dmp
memory/2224-14-0x0000000074990000-0x0000000075140000-memory.dmp
memory/3208-4-0x0000000074990000-0x0000000075140000-memory.dmp
memory/3208-8-0x0000000074990000-0x0000000075140000-memory.dmp
memory/3208-9-0x0000000006780000-0x0000000006804000-memory.dmp
memory/3208-10-0x0000000008D20000-0x0000000008DBC000-memory.dmp
memory/3208-7-0x000000007499E000-0x000000007499F000-memory.dmp
memory/3208-6-0x00000000055C0000-0x00000000055D0000-memory.dmp
memory/3208-5-0x00000000052B0000-0x00000000052BA000-memory.dmp
memory/3208-15-0x0000000074990000-0x0000000075140000-memory.dmp
memory/3208-0-0x000000007499E000-0x000000007499F000-memory.dmp
memory/3208-3-0x0000000005100000-0x0000000005192000-memory.dmp
memory/3208-2-0x00000000055F0000-0x0000000005B94000-memory.dmp
memory/3208-1-0x0000000000680000-0x0000000000726000-memory.dmp