Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
12/05/2026, 16:57
General
- Target RFQ S04-SQ26050120.exe
- Size 968KB
- Sample260512-vghkfse171
- SHA256 e463f87a0c098ff8bcbc4c262e9eddf3dea51148d2ba9d12c64addb21e2ff978
Malware Config
Extracted
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vipkeylogger
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Protocol
smtp
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Host
hosting2.ro.hostsailor.com
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Port
587
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Username
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Password
7213575aceACE@@#
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Email to
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https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Signatures
- Family: 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 3 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Executes dropped EXE 2 IoCs
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 2 IoCs
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- 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 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RFQ S04-SQ26050120.exe"C:\Users\Admin\AppData\Local\Temp\RFQ S04-SQ26050120.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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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\RFQ S04-SQ26050120.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\RFQ S04-SQ26050120.exe"C:\Users\Admin\AppData\Local\Temp\RFQ S04-SQ26050120.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
-
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C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -ExecutionPolicy Bypass -WindowStyle Hidden -File "C:\Users\Admin\AppData\Local\Temp\r1d5ou534zt.ps1"1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\ygyUBNR.exe"C:\Users\Admin\AppData\Roaming\ygyUBNR.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ygyUBNR.exe"3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Roaming\ygyUBNR.exe"C:\Users\Admin\AppData\Roaming\ygyUBNR.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 16044⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4512 -ip 45121⤵
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
ygyUBNR.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_s3fy1if5.prp.ps1
r1d5ou534zt.ps1
ygyUBNR.exe
memory/416-70-0x000000000A340000-0x000000000A697000-memory.dmp
memory/1264-88-0x0000000007B80000-0x0000000007B91000-memory.dmp
memory/1264-80-0x000000006EDA0000-0x000000006EDEC000-memory.dmp
memory/1264-79-0x0000000006B50000-0x0000000006B9C000-memory.dmp
memory/1264-87-0x00000000078A0000-0x0000000007944000-memory.dmp
memory/1264-89-0x0000000007BC0000-0x0000000007BD5000-memory.dmp
memory/2268-53-0x000001FA172B0000-0x000001FA172D2000-memory.dmp
memory/2380-8-0x0000000007830000-0x00000000078CC000-memory.dmp
memory/2380-7-0x00000000076B0000-0x000000000778C000-memory.dmp
memory/2380-1-0x0000000005A30000-0x0000000005FD6000-memory.dmp
memory/2380-9-0x0000000009C70000-0x0000000009FC7000-memory.dmp
memory/2380-6-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/2380-5-0x00000000064E0000-0x00000000064F8000-memory.dmp
memory/2380-4-0x0000000005460000-0x000000000546A000-memory.dmp
memory/2380-0-0x00000000008C0000-0x00000000009B8000-memory.dmp
memory/2380-3-0x00000000056A0000-0x00000000056B0000-memory.dmp
memory/2380-2-0x0000000005480000-0x0000000005512000-memory.dmp
memory/3460-42-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3460-68-0x0000000007000000-0x00000000071C2000-memory.dmp
memory/3460-69-0x0000000006EA0000-0x0000000006EF0000-memory.dmp
memory/4916-35-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/4916-37-0x0000000006F70000-0x0000000007014000-memory.dmp
memory/4916-43-0x00000000076F0000-0x0000000007D6A000-memory.dmp
memory/4916-44-0x00000000070B0000-0x00000000070CA000-memory.dmp
memory/4916-46-0x0000000007120000-0x000000000712A000-memory.dmp
memory/4916-34-0x0000000006F40000-0x0000000006F5E000-memory.dmp
memory/4916-54-0x0000000007350000-0x00000000073E6000-memory.dmp
memory/4916-36-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/4916-56-0x00000000072C0000-0x00000000072D1000-memory.dmp
memory/4916-57-0x00000000072F0000-0x00000000072FE000-memory.dmp
memory/4916-27-0x000000006F190000-0x000000006F1DC000-memory.dmp
memory/4916-60-0x0000000007300000-0x0000000007315000-memory.dmp
memory/4916-63-0x0000000007410000-0x000000000742A000-memory.dmp
memory/4916-64-0x00000000073F0000-0x00000000073F8000-memory.dmp
memory/4916-26-0x0000000006330000-0x0000000006364000-memory.dmp
memory/4916-25-0x000000007F9E0000-0x000000007F9F0000-memory.dmp
memory/4916-24-0x0000000005DB0000-0x0000000005DFC000-memory.dmp
memory/4916-23-0x0000000005D70000-0x0000000005D8E000-memory.dmp
memory/4916-14-0x00000000050D0000-0x00000000050F2000-memory.dmp
memory/4916-15-0x0000000005170000-0x00000000051D6000-memory.dmp
memory/4916-16-0x0000000005890000-0x00000000058F6000-memory.dmp
memory/4916-13-0x00000000051F0000-0x000000000581A000-memory.dmp
memory/4916-12-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/4916-11-0x0000000004BB0000-0x0000000004BC0000-memory.dmp
memory/4916-10-0x00000000025A0000-0x00000000025D6000-memory.dmp