Analysis
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max time kernel
149s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.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
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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 31 api.ipify.org 32 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription pid Process procid_target PID 4600 set thread context of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 -
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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Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
powershell.exe2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exepid Process 2164 powershell.exe 2164 powershell.exe 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 3628 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 3628 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exe2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription pid Process Token: SeDebugPrivilege 2164 powershell.exe Token: SeDebugPrivilege 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe Token: SeDebugPrivilege 3628 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exepid Process 3628 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exedescription pid Process procid_target PID 4600 wrote to memory of 2164 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 95 PID 4600 wrote to memory of 2164 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 95 PID 4600 wrote to memory of 2164 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 95 PID 4600 wrote to memory of 4636 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 97 PID 4600 wrote to memory of 4636 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 97 PID 4600 wrote to memory of 4636 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 97 PID 4600 wrote to memory of 3660 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 99 PID 4600 wrote to memory of 3660 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 99 PID 4600 wrote to memory of 3660 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 99 PID 4600 wrote to memory of 4400 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 100 PID 4600 wrote to memory of 4400 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 100 PID 4600 wrote to memory of 4400 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 100 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101 PID 4600 wrote to memory of 3628 4600 2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe 101
Processes
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C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4600 -
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:2164
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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\tmp9C11.tmp"2⤵
- Creates scheduled task(s)
PID:4636
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C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"2⤵PID:3660
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C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"C:\Users\Admin\AppData\Local\Temp\2f2a5b335c8f2004e20a98d574c4c39a952d0eadecf8d035f60f941abcb8a436.exe"2⤵PID:4400
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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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3628
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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
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52e9d499d5ea30bab220df1e7aa6675c2
SHA149c60a2c790c0a2333cc40c54c65e712b45bd70f
SHA256a38e45c67494a15185c547b8b3a9ef0210a333562ff269149b666dae8ff6a758
SHA512cec778f0c664de3716be8153b09f054c36e6ee8fd389c21f57cc919413b4c0ecb598c37942576aa50ffe4cf5907d66602ee7431420d365afa001569bc862c17e