Analysis
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max time kernel
119s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
24/06/2024, 01:09
Static task
static1
Behavioral task
behavioral1
Sample
ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe
Resource
win10v2004-20240508-en
General
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Target
ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe
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Size
2.5MB
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MD5
de9b7b1f668a33d19d8058706ba6c16e
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SHA1
6f8d6b460e3cc74ecc97bf8eb73490c3498ff778
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SHA256
ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d
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SHA512
5fc9d9d48aa29da2d0df0201dfe945a7f5354e00cf47204077c9b83da34ee1afb1b28ebcc73ddfc2823e76975a9844f5feeb334a56c5dec1d1d6d8eca3229427
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SSDEEP
12288:vt0KKLaVTXQFIsx2Aa+jjtRgvWNcE3wiDeR01S5XxWfMb0:F0KKLaVTAFI42AbjLzN13wik2+0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.oserfech.eu - Port:
587 - Username:
[email protected] - Password:
Epicoffice@2024 - 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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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.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 2820 powershell.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.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 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRnonsft = "C:\\Users\\Admin\\AppData\\Roaming\\plQRnonsft\\plQRnonsft.exe" regasm.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.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.
flow ioc 4 api.ipify.org -
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 value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1964 set thread context of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2820 powershell.exe 2732 regasm.exe 2732 regasm.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe Token: SeDebugPrivilege 2820 powershell.exe Token: SeDebugPrivilege 2732 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2732 regasm.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1964 wrote to memory of 2820 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 29 PID 1964 wrote to memory of 2820 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 29 PID 1964 wrote to memory of 2820 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 29 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2732 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 31 PID 1964 wrote to memory of 2596 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 32 PID 1964 wrote to memory of 2596 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 32 PID 1964 wrote to memory of 2596 1964 ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe 32 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe"C:\Users\Admin\AppData\Local\Temp\ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.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:1964 -
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\ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2820
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2732
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 1964 -s 9802⤵PID:2596
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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
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Virtualization/Sandbox Evasion
2Credential Access
Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1