Analysis
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max time kernel
137s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
23/11/2024, 13:39
General
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Target
3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe
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Size
523KB
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MD5
cf1cae9cbc07203bf45484c1824190fb
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SHA1
946345a623ac1f27159b2f8a03eff877bdc7a60e
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SHA256
3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0
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SHA512
bf63b5c5f76b2766cdc73b12953dbdb714429201682c1cb6b5504eae427249ae12b8801d1b562233a0bcead952786c77511f84a828f65acf8921390ff64b56c8
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SSDEEP
12288:zZUi2iNm85TyKV9njG/DT7sqzm0hWXFIbC5XMCAdVrWKIU14:zZUi10I2ctK/H7sqdyQT1rWnw4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
business41.web-hosting.com - Port:
587 - Username:
[email protected] - Password:
london1759
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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AgentTesla payload 5 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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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.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe"C:\Users\Admin\AppData\Local\Temp\3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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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\3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CggPtp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E52.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe"C:\Users\Admin\AppData\Local\Temp\3ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
5Credentials In Files
4Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
523KB
MD5cf1cae9cbc07203bf45484c1824190fb
SHA1946345a623ac1f27159b2f8a03eff877bdc7a60e
SHA2563ad17ee1bc48c71fbf42f8cc88856677bcf6c4755c4a3f79f62fdd93edd9e7a0
SHA512bf63b5c5f76b2766cdc73b12953dbdb714429201682c1cb6b5504eae427249ae12b8801d1b562233a0bcead952786c77511f84a828f65acf8921390ff64b56c8
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Filesize
6.9MB
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Filesize
552KB
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Filesize
6.9MB
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Filesize
56KB
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Filesize
4KB
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Filesize
6.9MB
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Filesize
384KB
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Filesize
4KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB
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Filesize
4KB
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Filesize
240KB
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Filesize
240KB
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Filesize
240KB