Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
01-11-2024 03:48
Static task
static1
Behavioral task
behavioral1
Sample
f70379292f5c009d309aa771803b8a47.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f70379292f5c009d309aa771803b8a47.exe
Resource
win10v2004-20241007-en
General
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Target
f70379292f5c009d309aa771803b8a47.exe
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Size
1015KB
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MD5
f70379292f5c009d309aa771803b8a47
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SHA1
146e5ac87cb3c65624b027fa925861be2bde0003
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SHA256
dc9e448e51f4504726d8fdccfce805dfb4c228091f12a194fef40b2a86aa5eb2
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SHA512
3eb75605563f10f5a48ed01dd07d4ad31a8e35a511504d5fa50ca64e1d4d7b96a7a538cadd13983e537a6ea1201f0b2a50da0122d3573a2ce4b665e7749a8f80
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SSDEEP
24576:1vfVYijKZquDiAot5zwlGaZkAAeWnhl4Ruyh:1vfV/jKskibXqGlnX4ck
Malware Config
Extracted
vipkeylogger
Protocol: smtp- Host:
185.198.59.26 - Port:
587 - Username:
[email protected] - Password:
7213575aceACE@@ - 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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Vipkeylogger family
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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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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:
f70379292f5c009d309aa771803b8a47.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f70379292f5c009d309aa771803b8a47.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f70379292f5c009d309aa771803b8a47.exe Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f70379292f5c009d309aa771803b8a47.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:
f70379292f5c009d309aa771803b8a47.exedescription pid Process procid_target PID 2076 set thread context of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 -
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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
powershell.exef70379292f5c009d309aa771803b8a47.exef70379292f5c009d309aa771803b8a47.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f70379292f5c009d309aa771803b8a47.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f70379292f5c009d309aa771803b8a47.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
f70379292f5c009d309aa771803b8a47.exepowershell.exepid Process 2604 f70379292f5c009d309aa771803b8a47.exe 2728 powershell.exe 2604 f70379292f5c009d309aa771803b8a47.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
f70379292f5c009d309aa771803b8a47.exepowershell.exedescription pid Process Token: SeDebugPrivilege 2604 f70379292f5c009d309aa771803b8a47.exe Token: SeDebugPrivilege 2728 powershell.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
f70379292f5c009d309aa771803b8a47.exedescription pid Process procid_target PID 2076 wrote to memory of 2728 2076 f70379292f5c009d309aa771803b8a47.exe 30 PID 2076 wrote to memory of 2728 2076 f70379292f5c009d309aa771803b8a47.exe 30 PID 2076 wrote to memory of 2728 2076 f70379292f5c009d309aa771803b8a47.exe 30 PID 2076 wrote to memory of 2728 2076 f70379292f5c009d309aa771803b8a47.exe 30 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 PID 2076 wrote to memory of 2604 2076 f70379292f5c009d309aa771803b8a47.exe 31 -
outlook_office_path 1 IoCs
Processes:
f70379292f5c009d309aa771803b8a47.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f70379292f5c009d309aa771803b8a47.exe -
outlook_win_path 1 IoCs
Processes:
f70379292f5c009d309aa771803b8a47.exedescription ioc Process Key opened \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f70379292f5c009d309aa771803b8a47.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.exe"C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2076 -
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\f70379292f5c009d309aa771803b8a47.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.exe"C:\Users\Admin\AppData\Local\Temp\f70379292f5c009d309aa771803b8a47.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:2604
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Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2