Analysis
- max time kernel
94s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
14/09/2024, 01:24
General
- Target Asco Valve Shanghai OrderPO-011024.exe
- Size 828KB
- Sample240914-bsdk4azbrr
- SHA256 7f7bc308f1a31734af163c5b00fc0e1159d2ebdcebbe46b7c5113677f84fcea7
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
-
Username
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Password
manlikeyou88
-
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.
- 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.
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"1⤵
- Checks computer location settings
- 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\Asco Valve Shanghai OrderPO-011024.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\nPKNUIybokG.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\nPKNUIybokG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEA31.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.exe"C:\Users\Admin\AppData\Local\Temp\Asco Valve Shanghai OrderPO-011024.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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_qfnjgthd.pfp.ps1
tmpEA31.tmp
memory/620-90-0x0000000006320000-0x0000000006370000-memory.dmp
memory/620-38-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3948-22-0x0000000005D40000-0x0000000005DA6000-memory.dmp
memory/3948-77-0x00000000079E0000-0x0000000007A76000-memory.dmp
memory/3948-89-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3948-81-0x0000000007AA0000-0x0000000007ABA000-memory.dmp
memory/3948-82-0x0000000007A80000-0x0000000007A88000-memory.dmp
memory/3948-15-0x0000000002B50000-0x0000000002B86000-memory.dmp
memory/3948-16-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3948-17-0x00000000055F0000-0x0000000005C18000-memory.dmp
memory/3948-18-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3948-79-0x0000000007990000-0x000000000799E000-memory.dmp
memory/3948-80-0x00000000079A0000-0x00000000079B4000-memory.dmp
memory/3948-76-0x00000000077D0000-0x00000000077DA000-memory.dmp
memory/3948-63-0x0000000074CA0000-0x0000000074CEC000-memory.dmp
memory/3948-23-0x0000000005DB0000-0x0000000005E16000-memory.dmp
memory/3948-73-0x0000000007610000-0x00000000076B3000-memory.dmp
memory/3948-27-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/3948-50-0x0000000006440000-0x000000000648C000-memory.dmp
memory/3948-49-0x0000000006420000-0x000000000643E000-memory.dmp
memory/4260-7-0x000000007443E000-0x000000007443F000-memory.dmp
memory/4260-4-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/4260-48-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/4260-1-0x0000000000830000-0x0000000000904000-memory.dmp
memory/4260-2-0x0000000005940000-0x0000000005EE4000-memory.dmp
memory/4260-3-0x0000000005390000-0x0000000005422000-memory.dmp
memory/4260-0-0x000000007443E000-0x000000007443F000-memory.dmp
memory/4260-5-0x0000000005310000-0x000000000531A000-memory.dmp
memory/4260-8-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/4260-9-0x0000000006CB0000-0x0000000006D32000-memory.dmp
memory/4260-10-0x0000000009320000-0x00000000093BC000-memory.dmp
memory/4260-6-0x0000000006BF0000-0x0000000006C00000-memory.dmp
memory/5072-51-0x00000000076C0000-0x00000000076F2000-memory.dmp
memory/5072-21-0x0000000005460000-0x0000000005482000-memory.dmp
memory/5072-78-0x0000000007A50000-0x0000000007A61000-memory.dmp
memory/5072-74-0x0000000007EA0000-0x000000000851A000-memory.dmp
memory/5072-19-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/5072-75-0x0000000007850000-0x000000000786A000-memory.dmp
memory/5072-62-0x00000000076A0000-0x00000000076BE000-memory.dmp
memory/5072-85-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/5072-24-0x0000000074430000-0x0000000074BE0000-memory.dmp
memory/5072-52-0x0000000074CA0000-0x0000000074CEC000-memory.dmp
memory/5072-26-0x0000000005DE0000-0x0000000006134000-memory.dmp
memory/5072-25-0x0000000074430000-0x0000000074BE0000-memory.dmp