Analysis
- max time kernel
147s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
15/07/2024, 08:49
General
- Target b288a3c462ac2ab4d11ee6929a8fe8e242ee9beb60030d54b9c3fa29a0ad153c.exe
- Size 441KB
- Sample240715-krftha1cle
- SHA256 b288a3c462ac2ab4d11ee6929a8fe8e242ee9beb60030d54b9c3fa29a0ad153c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cpanel17.rackforest.com
-
Port
587
-
Username
-
Password
boygirl123456
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 5 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b288a3c462ac2ab4d11ee6929a8fe8e242ee9beb60030d54b9c3fa29a0ad153c.exe"C:\Users\Admin\AppData\Local\Temp\b288a3c462ac2ab4d11ee6929a8fe8e242ee9beb60030d54b9c3fa29a0ad153c.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\b288a3c462ac2ab4d11ee6929a8fe8e242ee9beb60030d54b9c3fa29a0ad153c.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
BgImage.dll
System.dll
nsDialogs.dll
uredosorus.lnk
memory/4580-371-0x0000000005090000-0x00000000073B2000-memory.dmp
memory/4580-358-0x0000000077271000-0x0000000077391000-memory.dmp
memory/4580-359-0x0000000010004000-0x0000000010005000-memory.dmp
memory/4580-357-0x0000000005090000-0x00000000073B2000-memory.dmp
memory/4600-360-0x0000000002160000-0x0000000004482000-memory.dmp
memory/4600-367-0x0000000000F00000-0x0000000002154000-memory.dmp
memory/4600-368-0x0000000000F00000-0x0000000000F42000-memory.dmp
memory/4600-369-0x00000000370C0000-0x0000000037664000-memory.dmp
memory/4600-370-0x00000000369B0000-0x0000000036A16000-memory.dmp
memory/4600-372-0x0000000036DB0000-0x0000000036E00000-memory.dmp
memory/4600-373-0x0000000036EA0000-0x0000000036F32000-memory.dmp
memory/4600-374-0x0000000036E00000-0x0000000036E0A000-memory.dmp
memory/4600-377-0x0000000002160000-0x0000000004482000-memory.dmp