Analysis
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max time kernel
120s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
04-06-2024 01:40
Static task
static1
Behavioral task
behavioral1
Sample
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
Resource
win10v2004-20240508-en
General
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Target
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe
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Size
711KB
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MD5
1e3e1d598639d5d9d86e73c4549fea19
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SHA1
2a73816f13b46576ebb614a6570880c51d4104ea
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SHA256
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436
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SHA512
4cbaa477e7f6fbce010e47b4ccea27403435dc971714702ce08de2100b89d9ac2c77c8a8106828410fac6d0deeaf90fc9d6d0bb308b3b722063a33b3feab50c5
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SSDEEP
12288:IBTKt/rFfaxdAZrnBDcLguCvpTkbbIyX8OA7OZeK5hzof8gbXv3S/IHXEaTk7pYl:uKN5i/AZrBDvvpTzyX/ZeK59gzv3WOxF
Malware Config
Extracted
Protocol: smtp- Host:
mail.deblokhoeve.be - Port:
587 - Username:
[email protected] - Password:
Blokhoeve2490.i
Extracted
agenttesla
Protocol: smtp- Host:
mail.deblokhoeve.be - Port:
587 - Username:
[email protected] - Password:
Blokhoeve2490.i - 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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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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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
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\VmkjVd = "C:\\Users\\Admin\\AppData\\Roaming\\VmkjVd\\VmkjVd.exe" 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription pid Process procid_target PID 2204 set thread context of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exepowershell.exepid Process 2792 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 2792 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 2552 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2792 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe Token: SeDebugPrivilege 2552 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exepid Process 2792 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription pid Process procid_target PID 2204 wrote to memory of 2552 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 28 PID 2204 wrote to memory of 2552 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 28 PID 2204 wrote to memory of 2552 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 28 PID 2204 wrote to memory of 2552 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 28 PID 2204 wrote to memory of 2532 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 30 PID 2204 wrote to memory of 2532 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 30 PID 2204 wrote to memory of 2532 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 30 PID 2204 wrote to memory of 2532 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 30 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32 PID 2204 wrote to memory of 2792 2204 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xTBpCPBoAPCxb.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2552
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xTBpCPBoAPCxb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E73.tmp"2⤵
- Creates scheduled task(s)
PID:2532
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C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2792
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5db29b81d8059b7162cb643b3d62ead8b
SHA105896b5e756f0d6225d23d495dffe770167a0923
SHA256b869700d41527bceeee3a4f4910c7db171174587944ae6a390fe931226371e2e
SHA512319d8680c26d292bec9f3ab8913156fe93220f46fd683afa90302e9fa519273b0cb18fe523029761fc23c3d54feb19050b2b09ad9bf959a9191b6cce2a6043f3