Analysis
- max time kernel
117s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
09/10/2024, 11:00
General
- Target Scanned.pdf.pif.exe
- Size 839KB
- Sample241009-m39xtsshjl
- SHA256 ed447697e5384c5b3b1fb05ce0d620f605dc9847a83018174c15e9920bb1fb63
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
(lqKKXb5
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
(lqKKXb5
-
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 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\Scanned.pdf.pif.exe"C:\Users\Admin\AppData\Local\Temp\Scanned.pdf.pif.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\vvTpcRDHk.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\vvTpcRDHk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF97.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Scanned.pdf.pif.exe"C:\Users\Admin\AppData\Local\Temp\Scanned.pdf.pif.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_vufqdm5j.cpl.ps1
tmpBF97.tmp
memory/8-68-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/8-26-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/8-20-0x0000000000400000-0x0000000000448000-memory.dmp
memory/8-65-0x0000000006AB0000-0x0000000006C72000-memory.dmp
memory/8-66-0x0000000006940000-0x0000000006990000-memory.dmp
memory/8-67-0x00000000071B0000-0x00000000076DC000-memory.dmp
memory/1576-5-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1576-9-0x0000000006860000-0x00000000068EA000-memory.dmp
memory/1576-10-0x0000000006AE0000-0x0000000006B7C000-memory.dmp
memory/1576-8-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/1576-7-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/1576-6-0x0000000006BB0000-0x0000000006BC8000-memory.dmp
memory/1576-4-0x0000000005630000-0x000000000563A000-memory.dmp
memory/1576-3-0x0000000005590000-0x0000000005622000-memory.dmp
memory/1576-2-0x0000000005C90000-0x0000000006234000-memory.dmp
memory/1576-1-0x0000000000AA0000-0x0000000000B78000-memory.dmp
memory/1576-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp
memory/1576-28-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3824-24-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/3824-55-0x0000000007890000-0x000000000789A000-memory.dmp
memory/3824-27-0x0000000005EF0000-0x0000000006244000-memory.dmp
memory/3824-23-0x0000000005DA0000-0x0000000005E06000-memory.dmp
memory/3824-22-0x0000000005530000-0x0000000005552000-memory.dmp
memory/3824-38-0x00000000052B0000-0x00000000052CE000-memory.dmp
memory/3824-39-0x0000000006550000-0x000000000659C000-memory.dmp
memory/3824-40-0x0000000006AC0000-0x0000000006AF2000-memory.dmp
memory/3824-41-0x0000000070A80000-0x0000000070ACC000-memory.dmp
memory/3824-51-0x0000000006AA0000-0x0000000006ABE000-memory.dmp
memory/3824-52-0x00000000076E0000-0x0000000007783000-memory.dmp
memory/3824-53-0x0000000007E60000-0x00000000084DA000-memory.dmp
memory/3824-54-0x0000000007810000-0x000000000782A000-memory.dmp
memory/3824-25-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3824-56-0x0000000007A90000-0x0000000007B26000-memory.dmp
memory/3824-57-0x0000000007A10000-0x0000000007A21000-memory.dmp
memory/3824-58-0x0000000007A40000-0x0000000007A4E000-memory.dmp
memory/3824-59-0x0000000007A50000-0x0000000007A64000-memory.dmp
memory/3824-60-0x0000000007B50000-0x0000000007B6A000-memory.dmp
memory/3824-61-0x0000000007B30000-0x0000000007B38000-memory.dmp
memory/3824-64-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3824-18-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3824-16-0x0000000074C40000-0x00000000753F0000-memory.dmp
memory/3824-17-0x0000000005770000-0x0000000005D98000-memory.dmp
memory/3824-15-0x0000000002BC0000-0x0000000002BF6000-memory.dmp