Analysis
- max time kernel
93s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
10/01/2025, 14:08
General
- Target e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe
- Size 809KB
- Sample250110-rfkrmswmcw
- SHA256 e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.apexrnun.com
-
Port
587
-
Username
-
Password
%qroUozO;(C2Rlyb
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"C:\Users\Admin\AppData\Local\Temp\e37912d2a69722ef19ff3567bae3a77b9bdfc2cbb52617b618ede211fa5bb0bc.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
__PSScriptPolicyTest_5osbfxnq.3ba.ps1
memory/3756-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3756-61-0x0000000006940000-0x0000000006990000-memory.dmp
memory/3756-18-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/3756-15-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/3756-62-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/3756-14-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/4844-8-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/4844-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
memory/4844-9-0x0000000006B70000-0x0000000006BF4000-memory.dmp
memory/4844-10-0x0000000006DA0000-0x0000000006E3C000-memory.dmp
memory/4844-7-0x0000000074E5E000-0x0000000074E5F000-memory.dmp
memory/4844-13-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/4844-6-0x00000000059D0000-0x00000000059E8000-memory.dmp
memory/4844-5-0x0000000005850000-0x000000000585A000-memory.dmp
memory/4844-4-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/4844-3-0x0000000005790000-0x0000000005822000-memory.dmp
memory/4844-2-0x0000000005E60000-0x0000000006404000-memory.dmp
memory/4844-1-0x0000000000E30000-0x0000000000F00000-memory.dmp
memory/5028-21-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/5028-48-0x0000000006F50000-0x0000000006FF3000-memory.dmp
memory/5028-20-0x0000000004F40000-0x0000000004FA6000-memory.dmp
memory/5028-28-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/5028-33-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/5028-32-0x0000000005710000-0x0000000005A64000-memory.dmp
memory/5028-34-0x0000000005D50000-0x0000000005D6E000-memory.dmp
memory/5028-35-0x0000000005DA0000-0x0000000005DEC000-memory.dmp
memory/5028-37-0x0000000070AB0000-0x0000000070AFC000-memory.dmp
memory/5028-47-0x0000000006390000-0x00000000063AE000-memory.dmp
memory/5028-36-0x0000000006320000-0x0000000006352000-memory.dmp
memory/5028-19-0x0000000004EA0000-0x0000000004EC2000-memory.dmp
memory/5028-50-0x0000000007080000-0x000000000709A000-memory.dmp
memory/5028-49-0x00000000076C0000-0x0000000007D3A000-memory.dmp
memory/5028-51-0x00000000070F0000-0x00000000070FA000-memory.dmp
memory/5028-52-0x0000000007300000-0x0000000007396000-memory.dmp
memory/5028-53-0x0000000007280000-0x0000000007291000-memory.dmp
memory/5028-54-0x00000000072B0000-0x00000000072BE000-memory.dmp
memory/5028-55-0x00000000072C0000-0x00000000072D4000-memory.dmp
memory/5028-56-0x00000000073C0000-0x00000000073DA000-memory.dmp
memory/5028-57-0x00000000073A0000-0x00000000073A8000-memory.dmp
memory/5028-60-0x0000000074E50000-0x0000000075600000-memory.dmp
memory/5028-17-0x0000000004FB0000-0x00000000055D8000-memory.dmp
memory/5028-16-0x0000000002450000-0x0000000002486000-memory.dmp