Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23-05-2024 18:22
General
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Target
Спецификация_продукта_прилагается.pdf.exe
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Size
628KB
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MD5
b7649e5cb8035e0d62e3275244bc0c21
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SHA1
d39f5c06a58a53002cce5db542a70a7ceba843b7
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SHA256
ab182aba5412399f9e5f505bb3d8d145458fb108473fafbdbed740eae40738f8
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SHA512
610432d57c326de6fbb3f9d0bbdb8023e556f2cda2f7b011d7ca5d9e5c2f308c8d9665aa9cd075f071c0f8916b8dbd10172ab2b02be477dea4fb27f09c7decc3
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SSDEEP
12288:U++oXh1udZSqk9nk3kJQZsOcnSpDahm/GRkLB1wR2wveenfRCFFUems8iDguPB:7Xh1eZNktakJQZyAec4g62qfRCFFpkKh
Malware Config
Extracted
Protocol: smtp- Host:
mail.brusln.com - Port:
587 - Username:
[email protected] - Password:
Countrycode@2024
Extracted
agenttesla
Protocol: smtp- Host:
mail.brusln.com - Port:
587 - Username:
[email protected] - Password:
Countrycode@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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UAC bypass 3 TTPs 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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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.
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Adds Run key to start application 2 TTPs 1 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 19 IoCs
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System policy modification 1 TTPs 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Спецификация_продукта_прилагается.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Спецификация_продукта_прилагается.pdf.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
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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\Спецификация_продукта_прилагается.pdf.exe" -Force2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"2⤵
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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⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2344 -s 10082⤵
Network
MITRE ATT&CK Matrix ATT&CK v13
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
2Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2168-9-0x0000000002CB0000-0x0000000002D30000-memory.dmpFilesize
512KB
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memory/2168-10-0x000000001B5A0000-0x000000001B882000-memory.dmpFilesize
2.9MB
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memory/2168-21-0x0000000001E90000-0x0000000001E98000-memory.dmpFilesize
32KB
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memory/2344-25-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmpFilesize
4KB
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memory/2344-1-0x0000000000E30000-0x0000000000E40000-memory.dmpFilesize
64KB
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memory/2344-2-0x000007FEF5F80000-0x000007FEF696C000-memory.dmpFilesize
9.9MB
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memory/2344-3-0x0000000000900000-0x0000000000906000-memory.dmpFilesize
24KB
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memory/2344-4-0x0000000000BE0000-0x0000000000C76000-memory.dmpFilesize
600KB
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memory/2344-26-0x000007FEF5F80000-0x000007FEF696C000-memory.dmpFilesize
9.9MB
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memory/2344-0-0x000007FEF5F83000-0x000007FEF5F84000-memory.dmpFilesize
4KB
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memory/2888-20-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-17-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-15-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-11-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-22-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-23-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB
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memory/2888-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2888-13-0x0000000000400000-0x0000000000444000-memory.dmpFilesize
272KB