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Analysis
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max time kernel
119s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29/08/2024, 05:17
Static task
static1
Behavioral task
behavioral1
Sample
SMT-SMTLEE.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
SMT-SMTLEE.exe
Resource
win10v2004-20240802-en
General
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Target
SMT-SMTLEE.exe
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Size
695KB
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MD5
d86d32a91cd4fbf6b7ef7ee1593333d5
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SHA1
de006ba907db6b0cdc0b1ffd5ce0dc34575da3f5
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SHA256
04b2fa83d9f55ff2b689a6f8541cd7529c7c1166bda9be8cc46d5014f41fa1e1
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SHA512
70d0e8dcebbf6e77280c7b1ccd060386f0e25ec6da58044c32c0d5e9d8ce741bcf7a5bf64cd6af4da2a4498c7a5b88f515f0e90551276eedccb206be76481ded
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SSDEEP
12288:iVVGEHMe5DzoyMhBf8O/rDtTvLrBVJLvFs0YVQQyoGeKc5g/:0GLe5D6PVdBxsRxyorKcq
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
mail.laime.it - Port:
587 - Username:
[email protected] - Password:
Oqc9k0@9 - Email To:
[email protected]
Signatures
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VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2716 powershell.exe 2676 powershell.exe -
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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.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 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1476 set thread context of 2632 1476 SMT-SMTLEE.exe 36 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SMT-SMTLEE.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language SMT-SMTLEE.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2808 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2632 SMT-SMTLEE.exe 2716 powershell.exe 2676 powershell.exe 2632 SMT-SMTLEE.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2632 SMT-SMTLEE.exe Token: SeDebugPrivilege 2716 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1476 wrote to memory of 2716 1476 SMT-SMTLEE.exe 30 PID 1476 wrote to memory of 2716 1476 SMT-SMTLEE.exe 30 PID 1476 wrote to memory of 2716 1476 SMT-SMTLEE.exe 30 PID 1476 wrote to memory of 2716 1476 SMT-SMTLEE.exe 30 PID 1476 wrote to memory of 2676 1476 SMT-SMTLEE.exe 32 PID 1476 wrote to memory of 2676 1476 SMT-SMTLEE.exe 32 PID 1476 wrote to memory of 2676 1476 SMT-SMTLEE.exe 32 PID 1476 wrote to memory of 2676 1476 SMT-SMTLEE.exe 32 PID 1476 wrote to memory of 2808 1476 SMT-SMTLEE.exe 34 PID 1476 wrote to memory of 2808 1476 SMT-SMTLEE.exe 34 PID 1476 wrote to memory of 2808 1476 SMT-SMTLEE.exe 34 PID 1476 wrote to memory of 2808 1476 SMT-SMTLEE.exe 34 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 PID 1476 wrote to memory of 2632 1476 SMT-SMTLEE.exe 36 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2716
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vXJvDpCf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vXJvDpCf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp38CC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2808
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C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"C:\Users\Admin\AppData\Local\Temp\SMT-SMTLEE.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2632
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5d90dadb8489f21dc07963a350d7e28fd
SHA1edd6f0716a5cdd9aa73393cbea7deb01c6baf10c
SHA256b43bf5fdb95a3fc71b3f2ad060c21d3ea762640b9588d5cb5ddae43a3ced1710
SHA51207213fb76f7fc251be054d98ed3b915b48370f06496e1e61d7a1979036153002c9fef6eebac2b37ccb8ec340cba3490b90899b01ef88f3240245e6da7603eced
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD57cb0b057734c5f08fa122faaa09d7f7d
SHA1097e8f0e59f8e73470b4123d49d3cb4da02a070c
SHA256d9883afcda907b28aaad937c9c6910e4540728a3b6c2342f6bd2ace54e8d4100
SHA5121c0dc87f430a499a5ecf232bc26cfe69a59afaddbff916f1cfb75b1c76521da03966033549684cf18223c8366351e9e4fe924e81f600891fd986b2fd9b26e5cd