Analysis
- max time kernel
98s - max time network
112s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
- submitted
09/05/2025, 14:35
General
- Target ac5e423633251a0ef1dfa93455cd0815c4de66e5dad883d0ee5585a423b287a7.exe
- Size 951KB
- Sample250509-ryaz6awrt4
- SHA256 ac5e423633251a0ef1dfa93455cd0815c4de66e5dad883d0ee5585a423b287a7
Malware Config
Extracted
-
vipkeylogger
-
https://api.telegram.org/bot8180480083:AAEocgqxwuEEgrgAP2vic1cjJBGEvSiPRe4/sendMessage?chat_id=7788933199
Signatures
- VIPKeylogger
VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.
- Vipkeylogger family
- 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.
- Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Windows directory 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\ac5e423633251a0ef1dfa93455cd0815c4de66e5dad883d0ee5585a423b287a7.exe"C:\Users\Admin\AppData\Local\Temp\ac5e423633251a0ef1dfa93455cd0815c4de66e5dad883d0ee5585a423b287a7.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- 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\RSAUfIvxpyWk.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\RSAUfIvxpyWk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1E60.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5168 -s 17683⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5168 -ip 51681⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
__PSScriptPolicyTest_hyju3i2d.kej.ps1
tmp1E60.tmp
memory/1560-6-0x0000000005270000-0x000000000528A000-memory.dmp
memory/1560-3-0x00000000050F0000-0x0000000005182000-memory.dmp
memory/1560-4-0x00000000051A0000-0x00000000051AA000-memory.dmp
memory/1560-5-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/1560-24-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/1560-7-0x00000000742AE000-0x00000000742AF000-memory.dmp
memory/1560-8-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/1560-9-0x0000000002B00000-0x0000000002B90000-memory.dmp
memory/1560-10-0x000000000AB30000-0x000000000ABCC000-memory.dmp
memory/1560-2-0x0000000005780000-0x0000000005D26000-memory.dmp
memory/1560-0-0x00000000742AE000-0x00000000742AF000-memory.dmp
memory/1560-1-0x00000000006A0000-0x0000000000794000-memory.dmp
memory/5012-25-0x00000000052B0000-0x00000000052D2000-memory.dmp
memory/5012-40-0x0000000007110000-0x0000000007144000-memory.dmp
memory/5012-20-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5012-63-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5012-60-0x00000000077E0000-0x00000000077E8000-memory.dmp
memory/5012-19-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5012-16-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5012-27-0x0000000005C70000-0x0000000005CD6000-memory.dmp
memory/5012-26-0x00000000053D0000-0x0000000005436000-memory.dmp
memory/5012-15-0x0000000002940000-0x0000000002976000-memory.dmp
memory/5012-59-0x00000000077F0000-0x000000000780A000-memory.dmp
memory/5012-37-0x0000000005CE0000-0x0000000006037000-memory.dmp
memory/5012-38-0x0000000006150000-0x000000000616E000-memory.dmp
memory/5012-39-0x0000000006680000-0x00000000066CC000-memory.dmp
memory/5012-41-0x0000000070080000-0x00000000700CC000-memory.dmp
memory/5012-18-0x0000000005540000-0x0000000005B6A000-memory.dmp
memory/5012-50-0x0000000007150000-0x000000000716E000-memory.dmp
memory/5012-51-0x0000000007170000-0x0000000007214000-memory.dmp
memory/5012-52-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/5012-53-0x00000000074A0000-0x00000000074BA000-memory.dmp
memory/5012-54-0x0000000007520000-0x000000000752A000-memory.dmp
memory/5012-55-0x0000000007730000-0x00000000077C6000-memory.dmp
memory/5012-56-0x00000000076B0000-0x00000000076C1000-memory.dmp
memory/5012-57-0x00000000076E0000-0x00000000076EE000-memory.dmp
memory/5012-58-0x00000000076F0000-0x0000000007705000-memory.dmp
memory/5168-33-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5168-23-0x00000000742A0000-0x0000000074A51000-memory.dmp
memory/5168-21-0x0000000000400000-0x000000000044A000-memory.dmp
memory/5168-64-0x00000000742A0000-0x0000000074A51000-memory.dmp