Analysis
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max time kernel
122s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
03-10-2024 08:34
Static task
static1
Behavioral task
behavioral1
Sample
FACTURA.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
FACTURA.exe
Resource
win10v2004-20240802-en
General
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Target
FACTURA.exe
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Size
865KB
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MD5
158d8d8e57ad1e305fce17d3e277cc6f
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SHA1
0ee2ca41f4b1898838fbd3c5c44baf124c21f4fb
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SHA256
51466536fb4a4b2f46c0344206795c49ca7a95ab1179c3c7c269a80623589477
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SHA512
4532aae393c59d63def7feb58bafa3530a7c77def52aa44892e76b72353f1fcd416ac388e8445be7041a370a72e4df692abbab899ff0a3afd9a87be4588d608b
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SSDEEP
12288:tTv21WRE10veA7aUJc+QS+shiCp++qsqwFnyZ7l:Fv2Q71W/OhPZryZ
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
smtp.ionos.es - Port:
587 - Username:
[email protected] - Password:
102#Nova#Resid2 - 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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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.
Processes:
powershell.exepowershell.exepid process 2760 powershell.exe 2920 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 3 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
Processes:
FACTURA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.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.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FACTURA.exedescription pid process target process PID 2104 set thread context of 2636 2104 FACTURA.exe FACTURA.exe -
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.
Processes:
FACTURA.exepowershell.exepowershell.exeschtasks.exeFACTURA.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FACTURA.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 FACTURA.exe -
Scheduled Task/Job: Scheduled Task 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 6 IoCs
Processes:
FACTURA.exeFACTURA.exepowershell.exepowershell.exepid process 2104 FACTURA.exe 2104 FACTURA.exe 2636 FACTURA.exe 2760 powershell.exe 2920 powershell.exe 2636 FACTURA.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
FACTURA.exeFACTURA.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2104 FACTURA.exe Token: SeDebugPrivilege 2636 FACTURA.exe Token: SeDebugPrivilege 2760 powershell.exe Token: SeDebugPrivilege 2920 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
FACTURA.exedescription pid process target process PID 2104 wrote to memory of 2760 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2760 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2760 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2760 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2920 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2920 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2920 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2920 2104 FACTURA.exe powershell.exe PID 2104 wrote to memory of 2272 2104 FACTURA.exe schtasks.exe PID 2104 wrote to memory of 2272 2104 FACTURA.exe schtasks.exe PID 2104 wrote to memory of 2272 2104 FACTURA.exe schtasks.exe PID 2104 wrote to memory of 2272 2104 FACTURA.exe schtasks.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe PID 2104 wrote to memory of 2636 2104 FACTURA.exe FACTURA.exe -
outlook_office_path 1 IoCs
Processes:
FACTURA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe -
outlook_win_path 1 IoCs
Processes:
FACTURA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2104 -
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\FACTURA.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2760 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jGcAjS.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGcAjS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDBB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2272 -
C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA.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:2636
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
MD54bb91cb0a7ab4028665f109003720914
SHA1a2aa16faeec2d30381a74b8a9af0daf1024a7f48
SHA256c8d10fcbfa3b8876985a5c7e26428a36598acb6022adc0dd017ca8119dfaa6e3
SHA512d78391dc36f36bf86a87fb3fb6974f85a5d436143b1932cbea6554ee57b43f5794dbd070a4242535d3db2748600b75d0254a4045ed2d8ded48d4543d0b9221cb
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD56f30198a27f80b73d50a9a7cbda185c0
SHA1541c2c6c4f2b39f5dd47541e3792b0ce299bfdfe
SHA256d871d69e50c6cf1ba7715e9473f96aee81b995ce54640ac7ff2bc7accda3d685
SHA512a016db27bacf4f3a079734e787d1d125ddb6b052e37a6c541a5e1bc72aa2fe93995f0e3e999445b752c733e18807aeeacf11bf3290daa0398abc561411da399a