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Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe = "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 4604 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 -
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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe = "0" 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 1544 set thread context of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 -
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 installutil.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4604 powershell.exe 4604 powershell.exe 2720 installutil.exe 2720 installutil.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe Token: SeDebugPrivilege 4604 powershell.exe Token: SeDebugPrivilege 2720 installutil.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 1544 wrote to memory of 4604 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 84 PID 1544 wrote to memory of 4604 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 84 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 2720 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 85 PID 1544 wrote to memory of 3156 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 86 PID 1544 wrote to memory of 3156 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 86 PID 1544 wrote to memory of 3156 1544 bf195309d315f72cba80c7edd344a27d4950a7e54d883c4b9546bb69b870107c.exe 86 -
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
- Windows security bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Windows security modification
- 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:1544 -
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:4604
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"2⤵PID:3156
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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
3Disable or Modify Tools
3Modify Registry
4Virtualization/Sandbox Evasion
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82