Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
13/06/2023, 10:16
General
- Target Nr.21784795 Technische Dokumentation.exe
- Size 457KB
- Sample230613-massvafg35
- SHA256 60cb144c7f4433013b373b1ca8704cee48c8f1e8417a4ca520e2386e4d3ea8cd
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.kamen.si
-
Port
21
-
Username
-
Password
Americanboy21@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
- Loads dropped DLL 2 IoCs
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- 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 4 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Nr.21784795 Technische Dokumentation.exe"C:\Users\Admin\AppData\Local\Temp\Nr.21784795 Technische Dokumentation.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\Nr.21784795 Technische Dokumentation.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
System.dll
System.dll
System.dll
memory/3720-163-0x00000000395A0000-0x0000000039B44000-memory.dmp
memory/3720-161-0x0000000000D00000-0x00000000060B6000-memory.dmp
memory/3720-162-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3720-160-0x0000000000400000-0x000000000062B000-memory.dmp
memory/3720-164-0x0000000038FF0000-0x0000000039056000-memory.dmp
memory/3720-165-0x00000000390D0000-0x00000000390E0000-memory.dmp
memory/3720-167-0x00000000393E0000-0x0000000039430000-memory.dmp
memory/3720-168-0x00000000394D0000-0x0000000039562000-memory.dmp
memory/3720-169-0x0000000039070000-0x000000003907A000-memory.dmp
memory/3720-171-0x00000000390D0000-0x00000000390E0000-memory.dmp