Analysis
- max time kernel
148s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
11/01/2024, 14:09
General
- Target PO-001.exe
- Size 623KB
- Sample240111-rf4jrahcfk
- SHA256 6a861eb0176a0f7e0c4d69f2a65856d739bd4829448e72add40fabb9bf439634
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.profilatieffe.it
-
Port
587
-
Username
-
Password
Pasu4Bio
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Loads dropped DLL 1 IoCs
- Adds Run key to start application 2 TTPs 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO-001.exe"C:\Users\Admin\AppData\Local\Temp\PO-001.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Users\Admin\AppData\Local\Temp\PO-001.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3132 -s 20563⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3132 -ip 31321⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/3132-48-0x0000000072DB0000-0x0000000074004000-memory.dmp
memory/3132-51-0x00000000716F0000-0x0000000071EA0000-memory.dmp
memory/3132-32-0x00000000773B8000-0x00000000773B9000-memory.dmp
memory/3132-34-0x0000000077331000-0x0000000077451000-memory.dmp
memory/3132-47-0x0000000072DB0000-0x0000000074004000-memory.dmp
memory/3132-58-0x00000000716F0000-0x0000000071EA0000-memory.dmp
memory/3132-49-0x0000000000990000-0x0000000004CCE000-memory.dmp
memory/3132-56-0x0000000000990000-0x0000000004CCE000-memory.dmp
memory/3132-50-0x0000000072DB0000-0x0000000072DF4000-memory.dmp
memory/3132-52-0x0000000037A30000-0x0000000037FD4000-memory.dmp
memory/3132-53-0x0000000037580000-0x0000000037590000-memory.dmp
memory/3132-54-0x0000000037500000-0x0000000037566000-memory.dmp
memory/3536-31-0x0000000074010000-0x0000000074017000-memory.dmp
memory/3536-30-0x0000000077331000-0x0000000077451000-memory.dmp