Analysis
- max time kernel
133s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
26/10/2024, 01:40
General
- Target 5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9.exe
- Size 816KB
- Sample241026-b3mxhsvnfl
- SHA256 5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.kafs.co.ug
-
Port
587
-
Username
-
Password
B24AM5D9X9F3ZPN
-
Email to
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.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9.exe"C:\Users\Admin\AppData\Local\Temp\5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9.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\HJnkiZjAPsec.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\HJnkiZjAPsec" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEE96.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9.exe"C:\Users\Admin\AppData\Local\Temp\5994cf17202884f994b3e294fca7cd9c2847b6c98a0bdb5e65cf164f830197a9.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_vp3ipo2z.vl3.ps1
tmpEE96.tmp
memory/724-55-0x0000000007560000-0x0000000007BDA000-memory.dmp
memory/724-20-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/724-66-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/724-63-0x0000000007240000-0x0000000007248000-memory.dmp
memory/724-62-0x0000000007260000-0x000000000727A000-memory.dmp
memory/724-61-0x0000000007160000-0x0000000007174000-memory.dmp
memory/724-60-0x0000000007150000-0x000000000715E000-memory.dmp
memory/724-59-0x0000000007120000-0x0000000007131000-memory.dmp
memory/724-58-0x00000000071A0000-0x0000000007236000-memory.dmp
memory/724-57-0x0000000006F90000-0x0000000006F9A000-memory.dmp
memory/724-56-0x0000000006F20000-0x0000000006F3A000-memory.dmp
memory/724-17-0x0000000002240000-0x0000000002276000-memory.dmp
memory/724-18-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/724-39-0x00000000056E0000-0x0000000005A34000-memory.dmp
memory/724-21-0x0000000004D80000-0x00000000053A8000-memory.dmp
memory/724-27-0x0000000004BD0000-0x0000000004BF2000-memory.dmp
memory/724-54-0x0000000006DE0000-0x0000000006E83000-memory.dmp
memory/724-22-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/724-43-0x0000000071210000-0x000000007125C000-memory.dmp
memory/724-53-0x00000000061C0000-0x00000000061DE000-memory.dmp
memory/724-34-0x00000000054F0000-0x0000000005556000-memory.dmp
memory/724-42-0x0000000006B90000-0x0000000006BC2000-memory.dmp
memory/724-41-0x0000000005C10000-0x0000000005C5C000-memory.dmp
memory/724-28-0x00000000053B0000-0x0000000005416000-memory.dmp
memory/724-40-0x0000000005BE0000-0x0000000005BFE000-memory.dmp
memory/3504-67-0x0000000006C80000-0x0000000006E42000-memory.dmp
memory/3504-70-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3504-69-0x0000000007380000-0x00000000078AC000-memory.dmp
memory/3504-68-0x0000000006B00000-0x0000000006B50000-memory.dmp
memory/3504-25-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/3504-23-0x0000000000400000-0x0000000000448000-memory.dmp
memory/5096-9-0x0000000007F20000-0x0000000007FBC000-memory.dmp
memory/5096-6-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/5096-11-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/5096-2-0x00000000052A0000-0x0000000005844000-memory.dmp
memory/5096-8-0x0000000007E60000-0x0000000007E7E000-memory.dmp
memory/5096-10-0x000000007535E000-0x000000007535F000-memory.dmp
memory/5096-7-0x0000000007D90000-0x0000000007E3E000-memory.dmp
memory/5096-12-0x0000000004650000-0x00000000046DA000-memory.dmp
memory/5096-5-0x0000000005160000-0x000000000516A000-memory.dmp
memory/5096-4-0x0000000004CF0000-0x0000000005044000-memory.dmp
memory/5096-0-0x000000007535E000-0x000000007535F000-memory.dmp
memory/5096-26-0x0000000075350000-0x0000000075B00000-memory.dmp
memory/5096-1-0x0000000000140000-0x000000000020E000-memory.dmp
memory/5096-3-0x0000000004BD0000-0x0000000004C62000-memory.dmp