Analysis
- max time kernel
136s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
23/08/2024, 04:16
General
- Target D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.exe
- Size 721KB
- Sample240823-evspksxcnp
- SHA256 faf287257529efa93234ce96fd47d0d43a4884deb7ec54e337bb8ba49b1d12d8
Malware Config
Extracted
-
Protocol
ftp
-
Host
beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 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\D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.exe"C:\Users\Admin\AppData\Local\Temp\D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.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\D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.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\D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.exe"C:\Users\Admin\AppData\Local\Temp\D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.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
D121-D122-D123-D127-D128-D130-23-8-2024.xls.scr.exe.log
__PSScriptPolicyTest_yhsmgmth.q1q.ps1
memory/4068-8-0x0000000005330000-0x000000000534A000-memory.dmp
memory/4068-9-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/4068-6-0x0000000005190000-0x000000000522C000-memory.dmp
memory/4068-5-0x0000000004E60000-0x0000000004E6A000-memory.dmp
memory/4068-4-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4068-7-0x0000000006640000-0x00000000066E8000-memory.dmp
memory/4068-18-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4068-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp
memory/4068-10-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4068-11-0x0000000005350000-0x000000000535C000-memory.dmp
memory/4068-12-0x0000000005360000-0x0000000005370000-memory.dmp
memory/4068-13-0x0000000006270000-0x00000000062F2000-memory.dmp
memory/4068-2-0x00000000054C0000-0x0000000005A64000-memory.dmp
memory/4068-1-0x00000000003F0000-0x00000000004AA000-memory.dmp
memory/4068-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp
memory/4584-23-0x00000000056E0000-0x0000000005D08000-memory.dmp
memory/4584-41-0x0000000070B40000-0x0000000070B8C000-memory.dmp
memory/4584-19-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4584-64-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4584-61-0x0000000007B80000-0x0000000007B88000-memory.dmp
memory/4584-60-0x0000000007BA0000-0x0000000007BBA000-memory.dmp
memory/4584-26-0x0000000005600000-0x0000000005666000-memory.dmp
memory/4584-25-0x0000000005560000-0x0000000005582000-memory.dmp
memory/4584-24-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4584-59-0x0000000007AA0000-0x0000000007AB4000-memory.dmp
memory/4584-36-0x0000000005ED0000-0x0000000006224000-memory.dmp
memory/4584-37-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/4584-38-0x0000000006540000-0x000000000655E000-memory.dmp
memory/4584-39-0x0000000006AA0000-0x0000000006AEC000-memory.dmp
memory/4584-40-0x0000000006B00000-0x0000000006B32000-memory.dmp
memory/4584-20-0x0000000004F80000-0x0000000004FB6000-memory.dmp
memory/4584-51-0x0000000006B40000-0x0000000006B5E000-memory.dmp
memory/4584-52-0x0000000007540000-0x00000000075E3000-memory.dmp
memory/4584-53-0x0000000007EB0000-0x000000000852A000-memory.dmp
memory/4584-54-0x0000000007860000-0x000000000787A000-memory.dmp
memory/4584-55-0x00000000078D0000-0x00000000078DA000-memory.dmp
memory/4584-56-0x0000000007AE0000-0x0000000007B76000-memory.dmp
memory/4584-57-0x0000000007A60000-0x0000000007A71000-memory.dmp
memory/4584-58-0x0000000007A90000-0x0000000007A9E000-memory.dmp
memory/5040-14-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5040-17-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/5040-22-0x0000000005150000-0x00000000051B6000-memory.dmp
memory/5040-21-0x0000000074EE0000-0x0000000075690000-memory.dmp
memory/5040-65-0x00000000067E0000-0x0000000006830000-memory.dmp
memory/5040-66-0x0000000074EE0000-0x0000000075690000-memory.dmp