Analysis
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max time kernel
117s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 01:47
Static task
static1
Behavioral task
behavioral1
Sample
d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe
Resource
win10v2004-20240802-en
General
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Target
d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe
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Size
854KB
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MD5
99853951945715da9e52111bd8182223
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SHA1
c5f3366413233a93cef17378a2f2f8bf5c8ea8b7
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SHA256
d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c
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SHA512
7470cb82871338b9f315b38454d83eac4eef31623720dddbeaeb2285785b1c508320d559424c7a4f42bbd92d141464a79ea53cdf5f18bbef6737578944ccd384
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SSDEEP
12288:5qlll/cvZ6fYkKnSEi9TmeCITdw6yPvkrhXeSHE3q0/yJC3l+eQk1b/JH6:GcbksFYTmATdHyPcdXeSk6v28k1bJH
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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.
pid Process 3652 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 748 set thread context of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4216 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 4216 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 3652 powershell.exe 3652 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4216 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe Token: SeDebugPrivilege 3652 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 748 wrote to memory of 3652 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 89 PID 748 wrote to memory of 3652 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 89 PID 748 wrote to memory of 3652 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 89 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91 PID 748 wrote to memory of 4216 748 d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe"C:\Users\Admin\AppData\Local\Temp\d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748 -
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\d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3652
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C:\Users\Admin\AppData\Local\Temp\d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe"C:\Users\Admin\AppData\Local\Temp\d55e7652ad28060ef52b81942fa1d67240eb88e6f845b840c2759830cfb9942c.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4216
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82