Analysis
- max time kernel
120s - max time network
124s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
05/09/2024, 13:21
General
- Target Payment Slip -21501120100258.bat.exe
- Size 689KB
- Sample240905-qlnvtasdmd
- SHA256 4c06d00bd2ccb64a93bb8019bbea91c83e4f6931d7c7fdc2469545a0a93a9c86
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
cp8nl.hyperhost.ua
-
Port
587
-
Username
-
Password
7213575aceACE@#$
-
Email to
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 2 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Slip -21501120100258.bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip -21501120100258.bat.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\Payment Slip -21501120100258.bat.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VzxWktexVIFRzv.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VzxWktexVIFRzv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE74.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Payment Slip -21501120100258.bat.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip -21501120100258.bat.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
tmpEE74.tmp
RBNNUT2CUEBJT7I6JWHM.temp
memory/2684-4-0x000000007466E000-0x000000007466F000-memory.dmp
memory/2684-32-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2684-0-0x000000007466E000-0x000000007466F000-memory.dmp
memory/2684-5-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2684-6-0x0000000000CE0000-0x0000000000D62000-memory.dmp
memory/2684-2-0x0000000074660000-0x0000000074D4E000-memory.dmp
memory/2684-1-0x0000000001240000-0x00000000012F2000-memory.dmp
memory/2684-3-0x0000000000990000-0x00000000009A8000-memory.dmp
memory/3068-20-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-31-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-29-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-28-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3068-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-26-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3068-23-0x0000000000400000-0x0000000000440000-memory.dmp