Analysis
- max time kernel
95s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
10/01/2025, 14:08
General
- Target e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe
- Size 691KB
- Sample250110-rfkrmsylbk
- SHA256 e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24
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\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe"C:\Users\Admin\AppData\Local\Temp\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.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\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.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\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe"C:\Users\Admin\AppData\Local\Temp\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.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
e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe.log
__PSScriptPolicyTest_0zu4tzho.ih3.ps1
memory/1496-63-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/1496-62-0x0000000006790000-0x00000000067E0000-memory.dmp
memory/1496-18-0x0000000005260000-0x00000000052C6000-memory.dmp
memory/1496-17-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/1496-14-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/1496-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4140-27-0x0000000005DF0000-0x0000000005E56000-memory.dmp
memory/4140-50-0x0000000008020000-0x000000000869A000-memory.dmp
memory/4140-61-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4140-58-0x0000000007CF0000-0x0000000007CF8000-memory.dmp
memory/4140-57-0x0000000007D10000-0x0000000007D2A000-memory.dmp
memory/4140-56-0x0000000007C10000-0x0000000007C24000-memory.dmp
memory/4140-55-0x0000000007C00000-0x0000000007C0E000-memory.dmp
memory/4140-16-0x0000000005060000-0x0000000005096000-memory.dmp
memory/4140-54-0x0000000007BD0000-0x0000000007BE1000-memory.dmp
memory/4140-53-0x0000000007C50000-0x0000000007CE6000-memory.dmp
memory/4140-19-0x0000000005750000-0x0000000005D78000-memory.dmp
memory/4140-20-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4140-21-0x00000000056F0000-0x0000000005712000-memory.dmp
memory/4140-28-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4140-52-0x0000000007A40000-0x0000000007A4A000-memory.dmp
memory/4140-51-0x00000000079D0000-0x00000000079EA000-memory.dmp
memory/4140-33-0x0000000006100000-0x0000000006454000-memory.dmp
memory/4140-34-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4140-35-0x0000000006670000-0x000000000668E000-memory.dmp
memory/4140-36-0x0000000006C20000-0x0000000006C6C000-memory.dmp
memory/4140-37-0x0000000007660000-0x0000000007692000-memory.dmp
memory/4140-48-0x0000000006C90000-0x0000000006CAE000-memory.dmp
memory/4140-49-0x00000000078A0000-0x0000000007943000-memory.dmp
memory/4140-38-0x0000000070700000-0x000000007074C000-memory.dmp
memory/4476-3-0x0000000004AF0000-0x0000000004B82000-memory.dmp
memory/4476-9-0x0000000007880000-0x0000000007904000-memory.dmp
memory/4476-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp
memory/4476-4-0x0000000004BA0000-0x0000000004BAA000-memory.dmp
memory/4476-5-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4476-15-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4476-6-0x00000000074C0000-0x00000000074D8000-memory.dmp
memory/4476-7-0x0000000074A8E000-0x0000000074A8F000-memory.dmp
memory/4476-8-0x0000000074A80000-0x0000000075230000-memory.dmp
memory/4476-10-0x000000000A050000-0x000000000A0EC000-memory.dmp
memory/4476-2-0x0000000005000000-0x00000000055A4000-memory.dmp
memory/4476-1-0x0000000000030000-0x00000000000E4000-memory.dmp