Analysis
- max time kernel
118s - max time network
122s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
02/04/2024, 13:28
General
- Target DHL Waybill & Shipping Documents.exe
- Size 662KB
- Sample240402-qqvtxsbf28
- SHA256 c1554b4539b962eeeb79e84058197827abae4cad2dbf81e5055f7c9259bb3584
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.trisquarespl.com
-
Port
587
-
Username
-
Password
YokTA(D3
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"C:\Users\Admin\AppData\Local\Temp\DHL Waybill & Shipping Documents.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1856-0-0x0000000000FF0000-0x0000000001096000-memory.dmp
memory/1856-1-0x0000000074140000-0x000000007482E000-memory.dmp
memory/1856-2-0x0000000000420000-0x0000000000460000-memory.dmp
memory/1856-3-0x0000000000320000-0x0000000000334000-memory.dmp
memory/1856-4-0x0000000000350000-0x000000000035A000-memory.dmp
memory/1856-5-0x0000000000360000-0x000000000036C000-memory.dmp
memory/1856-6-0x00000000044A0000-0x0000000004522000-memory.dmp
memory/1856-21-0x0000000074140000-0x000000007482E000-memory.dmp
memory/2668-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-12-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2668-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2668-20-0x0000000074140000-0x000000007482E000-memory.dmp
memory/2668-22-0x0000000074140000-0x000000007482E000-memory.dmp