Analysis
- max time kernel
91s - max time network
121s - platform
windows7_x64 - resource
win7-20240729-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.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe"C:\Users\Admin\AppData\Local\Temp\e45c854f716217466a20fdadfc487d6aaf025d8e1e82eaeefa27e4d8750d2f24.exe"1⤵
- 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
memory/2644-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-7-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-27-0x0000000074210000-0x00000000748FE000-memory.dmp
memory/2644-23-0x0000000074210000-0x00000000748FE000-memory.dmp
memory/2644-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-17-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2644-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2644-13-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2676-1-0x0000000001310000-0x00000000013C4000-memory.dmp
memory/2676-6-0x0000000005350000-0x00000000053D4000-memory.dmp
memory/2676-0-0x000000007421E000-0x000000007421F000-memory.dmp
memory/2676-5-0x0000000074210000-0x00000000748FE000-memory.dmp
memory/2676-4-0x000000007421E000-0x000000007421F000-memory.dmp
memory/2676-24-0x0000000074210000-0x00000000748FE000-memory.dmp
memory/2676-3-0x0000000000550000-0x0000000000568000-memory.dmp
memory/2676-2-0x0000000074210000-0x00000000748FE000-memory.dmp