Analysis
- max time kernel
96s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
08/10/2024, 07:00
General
- Target PO_89_202876.Pdf.exe
- Size 752KB
- Sample241008-hsprpaxglg
- SHA256 c521ae26b37c817e85b4d061761db9b224890b888edc0dee55876640baa584e4
Malware Config
Extracted
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
-
Username
-
Password
{rR2V[flJjI3
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
-
Username
-
Password
{rR2V[flJjI3
-
Email to
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
- 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 10 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.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
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mGmpiIIgGvLwt.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\mGmpiIIgGvLwt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFBF4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO_89_202876.Pdf.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_xpfedegk.y4e.ps1
tmpFBF4.tmp
memory/3020-16-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3020-36-0x00000000068F0000-0x000000000690E000-memory.dmp
memory/3020-58-0x0000000007E50000-0x0000000007E64000-memory.dmp
memory/3020-57-0x0000000007E40000-0x0000000007E4E000-memory.dmp
memory/3020-56-0x0000000007E10000-0x0000000007E21000-memory.dmp
memory/3020-55-0x0000000007E90000-0x0000000007F26000-memory.dmp
memory/3020-54-0x0000000007C80000-0x0000000007C8A000-memory.dmp
memory/3020-52-0x0000000008250000-0x00000000088CA000-memory.dmp
memory/3020-53-0x0000000007C10000-0x0000000007C2A000-memory.dmp
memory/3020-15-0x0000000002FD0000-0x0000000003006000-memory.dmp
memory/3020-40-0x000000006F930000-0x000000006F97C000-memory.dmp
memory/3020-17-0x0000000005C00000-0x0000000006228000-memory.dmp
memory/3020-59-0x0000000007F50000-0x0000000007F6A000-memory.dmp
memory/3020-20-0x0000000005930000-0x0000000005952000-memory.dmp
memory/3020-60-0x0000000007F30000-0x0000000007F38000-memory.dmp
memory/3020-62-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3020-27-0x00000000062A0000-0x0000000006306000-memory.dmp
memory/3020-26-0x0000000006230000-0x0000000006296000-memory.dmp
memory/3020-51-0x00000000078E0000-0x0000000007983000-memory.dmp
memory/3020-29-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3020-35-0x0000000006310000-0x0000000006664000-memory.dmp
memory/3020-19-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3020-37-0x0000000006920000-0x000000000696C000-memory.dmp
memory/3020-50-0x0000000006F20000-0x0000000006F3E000-memory.dmp
memory/3020-39-0x0000000006EB0000-0x0000000006EE2000-memory.dmp
memory/3680-10-0x0000000005C70000-0x0000000005CFC000-memory.dmp
memory/3680-6-0x0000000004BB0000-0x0000000004C4C000-memory.dmp
memory/3680-1-0x0000000000010000-0x00000000000CE000-memory.dmp
memory/3680-0-0x00000000749FE000-0x00000000749FF000-memory.dmp
memory/3680-9-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3680-8-0x00000000749FE000-0x00000000749FF000-memory.dmp
memory/3680-7-0x0000000005BE0000-0x0000000005BF8000-memory.dmp
memory/3680-38-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3680-5-0x0000000004AE0000-0x0000000004AEA000-memory.dmp
memory/3680-4-0x00000000749F0000-0x00000000751A0000-memory.dmp
memory/3680-3-0x0000000004920000-0x00000000049B2000-memory.dmp
memory/3680-2-0x0000000004E30000-0x00000000053D4000-memory.dmp
memory/4088-28-0x0000000000400000-0x000000000044A000-memory.dmp
memory/4088-63-0x0000000006E30000-0x0000000006FF2000-memory.dmp
memory/4088-64-0x0000000006CB0000-0x0000000006D00000-memory.dmp
memory/4088-65-0x0000000007530000-0x0000000007A5C000-memory.dmp