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Analysis
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max time kernel
134s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 3620 powershell.exe 1344 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation SMT-SMTLEE.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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 SMT-SMTLEE.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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 26 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5076 set thread context of 3448 5076 SMT-SMTLEE.exe 100 -
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 2920 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3620 powershell.exe 1344 powershell.exe 3620 powershell.exe 1344 powershell.exe 3448 SMT-SMTLEE.exe 3448 SMT-SMTLEE.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1344 powershell.exe Token: SeDebugPrivilege 3620 powershell.exe Token: SeDebugPrivilege 3448 SMT-SMTLEE.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 5076 wrote to memory of 1344 5076 SMT-SMTLEE.exe 94 PID 5076 wrote to memory of 1344 5076 SMT-SMTLEE.exe 94 PID 5076 wrote to memory of 1344 5076 SMT-SMTLEE.exe 94 PID 5076 wrote to memory of 3620 5076 SMT-SMTLEE.exe 96 PID 5076 wrote to memory of 3620 5076 SMT-SMTLEE.exe 96 PID 5076 wrote to memory of 3620 5076 SMT-SMTLEE.exe 96 PID 5076 wrote to memory of 2920 5076 SMT-SMTLEE.exe 98 PID 5076 wrote to memory of 2920 5076 SMT-SMTLEE.exe 98 PID 5076 wrote to memory of 2920 5076 SMT-SMTLEE.exe 98 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 PID 5076 wrote to memory of 3448 5076 SMT-SMTLEE.exe 100 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\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-1-5-21-523280732-2327480845-3730041215-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076 -
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:1344
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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:3620
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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\tmpA4BC.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2920
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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:3448
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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
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5a3059f545e84f63ace5ba64098e09dae
SHA1699210728b1d46dd1dc62acbe0e5c92733e0cbb9
SHA256a6f519875211444356df4fa6caa386dcab6e5f253c8267843a5679e87ccaf4c1
SHA5127bd788bd99ae458172f1ac542de56ce6989c0ab6a642882a95d3645f81ade45acf96d8b7be5177fce241be1afb95a46be523618a70af6b169bb2b0b8d594482e
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD59024ab6c96f496e265da0aa85a8b80d1
SHA1bb4c33981ae0584131ce3052af746d637d5242b7
SHA256f6c07f94f0e6ee8254e400f1e2f05d558ee444a3bcbf229d971bee04d846f160
SHA51201f57e3652c183e1a5f85f6f5029870be03451f87b3d1ffd77959723bd2e9c8ae24eeebac1216ec6f29c2ccd10ca0886f1de7c1f8607adcca3721b26f4ce1220