Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
04/09/2024, 04:21
General
- Target CSC LEADER VOY.1 PARTICULARS.pdf.scr.exe
- Size 707KB
- Sample240904-eynj2avcpm
- SHA256 97a1e4bfc76eeec8faa59bd7de85088d2e42cf9562ea66c2305d0309080712ac
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\CSC LEADER VOY.1 PARTICULARS.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\CSC LEADER VOY.1 PARTICULARS.pdf.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\CSC LEADER VOY.1 PARTICULARS.pdf.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\CSC LEADER VOY.1 PARTICULARS.pdf.scr.exe"C:\Users\Admin\AppData\Local\Temp\CSC LEADER VOY.1 PARTICULARS.pdf.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
__PSScriptPolicyTest_dotv3bkk.l05.ps1
memory/1312-48-0x0000000006B70000-0x0000000006C13000-memory.dmp
memory/1312-49-0x00000000074F0000-0x0000000007B6A000-memory.dmp
memory/1312-60-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/1312-57-0x00000000071D0000-0x00000000071D8000-memory.dmp
memory/1312-56-0x00000000071F0000-0x000000000720A000-memory.dmp
memory/1312-55-0x00000000070F0000-0x0000000007104000-memory.dmp
memory/1312-54-0x00000000070E0000-0x00000000070EE000-memory.dmp
memory/1312-53-0x00000000070B0000-0x00000000070C1000-memory.dmp
memory/1312-52-0x0000000007130000-0x00000000071C6000-memory.dmp
memory/1312-51-0x0000000006F20000-0x0000000006F2A000-memory.dmp
memory/1312-50-0x0000000006EB0000-0x0000000006ECA000-memory.dmp
memory/1312-34-0x0000000005B80000-0x0000000005B9E000-memory.dmp
memory/1312-47-0x0000000006190000-0x00000000061AE000-memory.dmp
memory/1312-15-0x0000000002260000-0x0000000002296000-memory.dmp
memory/1312-37-0x0000000070CB0000-0x0000000070CFC000-memory.dmp
memory/1312-17-0x0000000004C70000-0x0000000005298000-memory.dmp
memory/1312-19-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/1312-18-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/1312-20-0x0000000004BC0000-0x0000000004BE2000-memory.dmp
memory/1312-21-0x0000000005310000-0x0000000005376000-memory.dmp
memory/1312-36-0x0000000006140000-0x0000000006172000-memory.dmp
memory/1312-22-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/1312-35-0x0000000005C30000-0x0000000005C7C000-memory.dmp
memory/1312-33-0x00000000055A0000-0x00000000058F4000-memory.dmp
memory/3164-28-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3164-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3164-62-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3164-16-0x0000000005230000-0x0000000005296000-memory.dmp
memory/3164-13-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3164-61-0x0000000006890000-0x00000000068E0000-memory.dmp
memory/3880-9-0x0000000006660000-0x00000000066E2000-memory.dmp
memory/3880-14-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3880-10-0x00000000068E0000-0x000000000697C000-memory.dmp
memory/3880-3-0x00000000054D0000-0x0000000005562000-memory.dmp
memory/3880-8-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3880-7-0x000000007503E000-0x000000007503F000-memory.dmp
memory/3880-6-0x0000000005C50000-0x0000000005C68000-memory.dmp
memory/3880-5-0x0000000075030000-0x00000000757E0000-memory.dmp
memory/3880-4-0x0000000003040000-0x000000000304A000-memory.dmp
memory/3880-1-0x00000000009E0000-0x0000000000A96000-memory.dmp
memory/3880-0-0x000000007503E000-0x000000007503F000-memory.dmp
memory/3880-2-0x0000000005C80000-0x0000000006224000-memory.dmp