Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 01:33
Static task
static1
Behavioral task
behavioral1
Sample
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Resource
win7-20240903-en
General
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Target
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
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Size
778KB
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MD5
4fd5ae8446fc97f481011ebe56bee23b
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SHA1
438e310a2a92cc1d889c29dada25d9a15ffbf0eb
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SHA256
6927f5860d17522a78a4e93599a9dc4230fa920f37665c5775250d02e18e9568
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SHA512
f2fdb70e40f889e0bd86b6527e5ceb28a224e2cb0ec71c7192d5e6fb2c855a12510f109f6132521a877dd71c35d972990a5b19412bbea5d9034628cc1178fc36
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SSDEEP
12288:j7jnKo7r7xDKW49kF9rIz38om4LsI0nF/dBhdRfviOxbCDTh5F:j7Wo7vNK9gNe8oBqF1TXfviW2Dt5
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.normagroup.com.tr - Port:
21 - Username:
[email protected] - Password:
Qb.X[.j.Yfm[
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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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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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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Suspicious use of SetThreadContext 1 IoCs
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exedescription pid process target process PID 2336 set thread context of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe -
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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exeCN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exepid process 2836 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe 2836 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe 2732 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepowershell.exedescription pid process Token: SeDebugPrivilege 2836 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe Token: SeDebugPrivilege 2732 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exepid process 2836 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exedescription pid process target process PID 2336 wrote to memory of 2732 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe powershell.exe PID 2336 wrote to memory of 2732 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe powershell.exe PID 2336 wrote to memory of 2732 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe powershell.exe PID 2336 wrote to memory of 2732 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe powershell.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe PID 2336 wrote to memory of 2836 2336 CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336 -
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\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732
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C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"C:\Users\Admin\AppData\Local\Temp\CN-Statement of Accounts and ETax-OB-XXXXX6856-03012824201808801.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2836
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
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