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Analysis
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max time kernel
118s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/12/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe
Resource
win7-20240903-en
General
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Target
bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe
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Size
637KB
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MD5
5888e0f00806e549fa181e11614b29b6
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SHA1
c71c74911cb2d2ab8a535be7697c7f02336d67d1
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SHA256
bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c
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SHA512
287a004cd34e505705970bc161c9eee67ebe6e1213708c3b64cb6c95f610e599f6b76b4aa1b6d5bbeaf834410cfebc0d208395c8027ca732c37c24a5970e2263
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SSDEEP
12288:oAn15OllT6k2neIurJxvBWN8LZwOItwFgaDEk/J0Z2s+5eCtqyt/RxyRbi0x74:vIiDudxv4NEZHjdaZ2s+RPpxyRbi0t4
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot7238823286:AAHUVsvFbx3L7yfxJB-f5BMs6WFzLbndzzw/
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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
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 2804 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2988 set thread context of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 -
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 1 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 CasPol.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2804 powershell.exe 2744 CasPol.exe 2744 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Token: SeDebugPrivilege 2804 powershell.exe Token: SeDebugPrivilege 2744 CasPol.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2988 wrote to memory of 2804 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 31 PID 2988 wrote to memory of 2804 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 31 PID 2988 wrote to memory of 2804 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 31 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2868 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 33 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2744 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 34 PID 2988 wrote to memory of 2928 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 35 PID 2988 wrote to memory of 2928 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 35 PID 2988 wrote to memory of 2928 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 35 PID 2988 wrote to memory of 2928 2988 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 35 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe"C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe"1⤵
- UAC bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2988 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2804
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"2⤵PID:2868
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2744
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵PID:2928
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
2Virtualization/Sandbox Evasion
2