Analysis
- max time kernel
134s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
04/09/2024, 12:50
General
- Target 9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe
- Size 806KB
- Sample240904-p2yvaazfpp
- SHA256 9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
mGr{)g5TVG3j
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
mGr{)g5TVG3j
-
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.
- Drops startup file 2 IoCs
- Executes dropped EXE 1 IoCs
- 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
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- 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\9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe"C:\Users\Admin\AppData\Local\Temp\9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe"C:\Users\Admin\AppData\Local\Temp\9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
9ea0a0d830d560e34c04870341fac3631ded5d423ec8104fe3d56b62ff0668ac.exe
__PSScriptPolicyTest_r1m1quxq.gsg.ps1
memory/628-23-0x00000000062D0000-0x0000000006624000-memory.dmp
memory/628-42-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/628-36-0x00000000078C0000-0x0000000007956000-memory.dmp
memory/628-38-0x0000000006E50000-0x0000000006E72000-memory.dmp
memory/628-29-0x0000000006920000-0x000000000696C000-memory.dmp
memory/628-28-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/628-16-0x0000000006070000-0x00000000060D6000-memory.dmp
memory/628-37-0x0000000006DF0000-0x0000000006E0A000-memory.dmp
memory/628-10-0x0000000003020000-0x0000000003056000-memory.dmp
memory/628-11-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/628-12-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/628-13-0x0000000005A40000-0x0000000006068000-memory.dmp
memory/628-14-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/628-15-0x0000000005970000-0x0000000005992000-memory.dmp
memory/628-17-0x00000000060E0000-0x0000000006146000-memory.dmp
memory/2628-8-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/2628-2-0x0000000005B20000-0x00000000060C4000-memory.dmp
memory/2628-0-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/2628-7-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/2628-6-0x0000000005860000-0x00000000058D0000-memory.dmp
memory/2628-30-0x0000000005A60000-0x0000000005A68000-memory.dmp
memory/2628-5-0x0000000005730000-0x000000000573A000-memory.dmp
memory/2628-1-0x0000000000B40000-0x0000000000C10000-memory.dmp
memory/2628-9-0x00000000061D0000-0x000000000626C000-memory.dmp
memory/2628-3-0x0000000005610000-0x00000000056A2000-memory.dmp
memory/2628-35-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/2628-4-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/3424-34-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/3424-33-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/3424-31-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3424-43-0x0000000006DB0000-0x0000000006E00000-memory.dmp
memory/3424-44-0x00000000750D0000-0x0000000075880000-memory.dmp