Analysis
- max time kernel
126s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
07/10/2024, 22:13
General
- Target a3939099773cda5b2c94a6f1061ffa19.exe
- Size 747KB
- Sample241007-15bdyazbqg
- SHA256 178ebc7a9fb6e2a0b5c0da522572f14ff56fa50e60507d552940256dbe596645
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot7207203688:AAH7zD-WPsi2BXK6KyZWdSEeTTm6Kjd9c5o/sendMessage?chat_id=1193226784
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 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a3939099773cda5b2c94a6f1061ffa19.exe"C:\Users\Admin\AppData\Local\Temp\a3939099773cda5b2c94a6f1061ffa19.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qggKEJlcsFa.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qggKEJlcsFa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFEB.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\a3939099773cda5b2c94a6f1061ffa19.exe"C:\Users\Admin\AppData\Local\Temp\a3939099773cda5b2c94a6f1061ffa19.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
-
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
__PSScriptPolicyTest_tkutnn1c.4tq.ps1
tmpFFEB.tmp
memory/3152-6-0x0000000005800000-0x000000000589C000-memory.dmp
memory/3152-3-0x00000000054F0000-0x0000000005582000-memory.dmp
memory/3152-4-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/3152-5-0x00000000056A0000-0x00000000056AA000-memory.dmp
memory/3152-2-0x00000000059B0000-0x0000000005F54000-memory.dmp
memory/3152-7-0x00000000057D0000-0x00000000057E8000-memory.dmp
memory/3152-8-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/3152-9-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/3152-10-0x00000000067A0000-0x000000000682E000-memory.dmp
memory/3152-0-0x0000000074D5E000-0x0000000074D5F000-memory.dmp
memory/3152-37-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/3152-1-0x0000000000A70000-0x0000000000B30000-memory.dmp
memory/4928-55-0x0000000007AA0000-0x0000000007AAA000-memory.dmp
memory/4928-58-0x0000000007C60000-0x0000000007C6E000-memory.dmp
memory/4928-20-0x0000000005940000-0x0000000005962000-memory.dmp
memory/4928-22-0x0000000005A50000-0x0000000005AB6000-memory.dmp
memory/4928-19-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/4928-23-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/4928-17-0x0000000005B00000-0x0000000006128000-memory.dmp
memory/4928-63-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/4928-61-0x0000000007D50000-0x0000000007D58000-memory.dmp
memory/4928-34-0x0000000006130000-0x0000000006484000-memory.dmp
memory/4928-16-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/4928-38-0x0000000006700000-0x000000000671E000-memory.dmp
memory/4928-39-0x0000000006750000-0x000000000679C000-memory.dmp
memory/4928-40-0x0000000006CD0000-0x0000000006D02000-memory.dmp
memory/4928-41-0x00000000712E0000-0x000000007132C000-memory.dmp
memory/4928-51-0x00000000078D0000-0x00000000078EE000-memory.dmp
memory/4928-52-0x00000000078F0000-0x0000000007993000-memory.dmp
memory/4928-54-0x0000000007A30000-0x0000000007A4A000-memory.dmp
memory/4928-53-0x0000000008070000-0x00000000086EA000-memory.dmp
memory/4928-15-0x0000000002DC0000-0x0000000002DF6000-memory.dmp
memory/4928-56-0x0000000007CB0000-0x0000000007D46000-memory.dmp
memory/4928-57-0x0000000007C30000-0x0000000007C41000-memory.dmp
memory/4928-21-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/4928-59-0x0000000007C70000-0x0000000007C84000-memory.dmp
memory/4928-60-0x0000000007D70000-0x0000000007D8A000-memory.dmp
memory/5076-36-0x0000000074D50000-0x0000000075500000-memory.dmp
memory/5076-33-0x0000000000400000-0x000000000044C000-memory.dmp
memory/5076-64-0x0000000006C00000-0x0000000006DC2000-memory.dmp
memory/5076-65-0x0000000006A80000-0x0000000006AD0000-memory.dmp
memory/5076-66-0x0000000007300000-0x000000000782C000-memory.dmp
memory/5076-67-0x0000000074D50000-0x0000000075500000-memory.dmp