Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
30-09-2024 16:21
Static task
static1
Behavioral task
behavioral1
Sample
PO-098765678000.exe
Resource
win7-20240903-en
General
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Target
PO-098765678000.exe
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Size
764KB
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MD5
f9617b77cfa61832aa0db5c8cd8e0357
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SHA1
95ca6b88193fad7de1a9693639641f42744136c4
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SHA256
e2e31ef953c1dee99b1b6ee23c149b568a76d44531457adb0c89eff648c58a55
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SHA512
9958f54f5a1fde6e7f6315395080579277958f2e3416e39908576c8fa0b55c162d1d845da203511070d58a2724f88b343ce475b8c63cf544f7f53712f5c50d92
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SSDEEP
12288:qUx5U3TB2nJfk+Cs8uOtcTDA/dS+H1cxhNw7HBKQ0oL85yhl04:qUx8b+CxTwoZcxhNw7HHhz
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.antoniomayol.com:21 - Port:
21 - Username:
[email protected] - Password:
cMhKDQUk1{;%
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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.
pid Process 568 powershell.exe 2868 powershell.exe -
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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2348 set thread context of 2772 2348 PO-098765678000.exe 37 -
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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO-098765678000.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PO-098765678000.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3056 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2772 PO-098765678000.exe 2772 PO-098765678000.exe 2868 powershell.exe 568 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2772 PO-098765678000.exe Token: SeDebugPrivilege 2868 powershell.exe Token: SeDebugPrivilege 568 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2348 wrote to memory of 568 2348 PO-098765678000.exe 31 PID 2348 wrote to memory of 568 2348 PO-098765678000.exe 31 PID 2348 wrote to memory of 568 2348 PO-098765678000.exe 31 PID 2348 wrote to memory of 568 2348 PO-098765678000.exe 31 PID 2348 wrote to memory of 2868 2348 PO-098765678000.exe 33 PID 2348 wrote to memory of 2868 2348 PO-098765678000.exe 33 PID 2348 wrote to memory of 2868 2348 PO-098765678000.exe 33 PID 2348 wrote to memory of 2868 2348 PO-098765678000.exe 33 PID 2348 wrote to memory of 3056 2348 PO-098765678000.exe 34 PID 2348 wrote to memory of 3056 2348 PO-098765678000.exe 34 PID 2348 wrote to memory of 3056 2348 PO-098765678000.exe 34 PID 2348 wrote to memory of 3056 2348 PO-098765678000.exe 34 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37 PID 2348 wrote to memory of 2772 2348 PO-098765678000.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348 -
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\PO-098765678000.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:568
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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\Roaming\qRDlxtruHIkHC.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qRDlxtruHIkHC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFF1.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3056
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C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"C:\Users\Admin\AppData\Local\Temp\PO-098765678000.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2772
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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
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Filesize
1KB
MD592cd2d9082fce8cf2e0bc060d4125809
SHA16fbffeaae4cb027549db652c61fbb0756f825967
SHA2562537eac13699ecd37729db9559708020f8be0dfbacb6d08d0501524cb5990018
SHA512e8bfc6658c0f641a748e73526d058248eb87924584d0c239affc9173ae9ac86237abc2c7eafd4a3c7bd8df50e7519b83effb64048af672242ea8d37b0c7b0674
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5fc565572f1215ab6048ba06e29986c6c
SHA1692f446c8be424b33292e0c7bb77390f4b6b82ce
SHA256d55a14d88398324e43930fbdc4b82cae9ae28a231de955de69f43dcf177f7f33
SHA512eb1311aefaa1171ea67c17892cf94716f637803e07c6ab2b951697dd4159ed19209e9be37545998f94a37d2c51a24a672cbadcf60e9559f7411e3e0fe756e772