Analysis
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max time kernel
41s -
max time network
50s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
12-06-2024 02:04
Static task
static1
Behavioral task
behavioral1
Sample
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe
Resource
win10v2004-20240508-en
General
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Target
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe
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Size
583KB
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MD5
585b341e172782d1d1e6306114802b2c
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SHA1
d63d3f3919beac3a6988cf6fbc1bb40432afeec9
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SHA256
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc
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SHA512
5b84870d98bf66e7171695b9dd55eedef29da4b4a40d8aff3417c7f191c73ae76cf06a2de53963d1972ee5e1003210400b824cd6e4b55fdbb270365004a1b79a
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SSDEEP
12288:wd5VRAsY7C5STjBlnHXsy5ZsC1yg5yMS5KDaPWtZMHTnTN0EgL3gxxF:wdfx5UjnH8ovo+LcnTiA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pakdisco.com - Port:
587 - Username:
[email protected] - Password:
Pakdis123@ - 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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Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe -
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe = "0" ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.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.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe -
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe = "0" ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
CasPol.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IPYlgv = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IPYlgv\\IPYlgv.exe" CasPol.exe -
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription pid process target process PID 972 set thread context of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exeCasPol.exepid process 3060 powershell.exe 3060 powershell.exe 3844 CasPol.exe 3844 CasPol.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeCasPol.exedescription pid process Token: SeDebugPrivilege 3060 powershell.exe Token: SeDebugPrivilege 3844 CasPol.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CasPol.exepid process 3844 CasPol.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription pid process target process PID 972 wrote to memory of 3060 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe powershell.exe PID 972 wrote to memory of 3060 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe powershell.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe PID 972 wrote to memory of 3844 972 ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe CasPol.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"C:\Users\Admin\AppData\Local\Temp\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe"1⤵
- UAC bypass
- Windows security bypass
- Checks computer location settings
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:972 -
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\ac3bbd26f4ea882881a374b7dd27edfd929af320b895d75f459bc0bdea484cfc.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3060 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3844
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82