Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
-
Target
FACTURA.exe
-
Size
865KB
-
MD5
158d8d8e57ad1e305fce17d3e277cc6f
-
SHA1
0ee2ca41f4b1898838fbd3c5c44baf124c21f4fb
-
SHA256
51466536fb4a4b2f46c0344206795c49ca7a95ab1179c3c7c269a80623589477
-
SHA512
4532aae393c59d63def7feb58bafa3530a7c77def52aa44892e76b72353f1fcd416ac388e8445be7041a370a72e4df692abbab899ff0a3afd9a87be4588d608b
-
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
-
VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
-
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 3524 powershell.exe 4072 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
FACTURA.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation FACTURA.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.
-
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
FACTURA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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 20 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
FACTURA.exedescription pid process target process PID 4888 set thread context of 1184 4888 FACTURA.exe FACTURA.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
-
Suspicious behavior: EnumeratesProcesses 8 IoCs
Processes:
FACTURA.exepowershell.exepowershell.exeFACTURA.exepid process 4888 FACTURA.exe 3524 powershell.exe 4072 powershell.exe 4888 FACTURA.exe 1184 FACTURA.exe 3524 powershell.exe 4072 powershell.exe 1184 FACTURA.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
FACTURA.exepowershell.exepowershell.exeFACTURA.exedescription pid process Token: SeDebugPrivilege 4888 FACTURA.exe Token: SeDebugPrivilege 4072 powershell.exe Token: SeDebugPrivilege 3524 powershell.exe Token: SeDebugPrivilege 1184 FACTURA.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
FACTURA.exedescription pid process target process PID 4888 wrote to memory of 3524 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 3524 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 3524 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 4072 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 4072 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 4072 4888 FACTURA.exe powershell.exe PID 4888 wrote to memory of 4492 4888 FACTURA.exe schtasks.exe PID 4888 wrote to memory of 4492 4888 FACTURA.exe schtasks.exe PID 4888 wrote to memory of 4492 4888 FACTURA.exe schtasks.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe PID 4888 wrote to memory of 1184 4888 FACTURA.exe FACTURA.exe -
outlook_office_path 1 IoCs
Processes:
FACTURA.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 FACTURA.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888 -
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:3524 -
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:4072 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jGcAjS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD62C.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:4492 -
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:1184
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
-
Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
-
Filesize
18KB
MD5546f3e01dd9fa8427d5990eecf4eae1f
SHA1fc3485ab092637330bdad4b2cd54457a9e38ba6b
SHA256e11e777b9fcd22defd2d171b73047d1e371860367c4fa3909b497bfae61fa3a1
SHA512c922b33a14de2d271f33e49deae20f88fb11b7983b9833a7a795079c4449e73902fb7ad0d1a8e455fbe06cc7027ce40743d8750186c1668e8cebecd946dced9a
-
Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
-
Filesize
1KB
MD503f10541833f9f7c8ceb002955c6ddc9
SHA16c70d387ad3036b2e0437612a182364c5e22ea24
SHA25618dabcbbdb31a778dfa08e4d262ac42413d32f6d13aff5e6783e38c79624b4fb
SHA512aa1e9c671b1c41c74e75923ac8a3359dc826a9947766b02a38779a440e14df7faac5d9e3b38a0df5173d0bd2e4b1e0d656460d1491898fd5f1f96feb660f4ffa