Analysis
- max time kernel
123s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
30/09/2024, 21:09
General
- Target SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe
- Size 733KB
- Sample240930-zzfk2avfpn
- SHA256 c6ae41874ccd5d6c3e6da49cae6d0a0e8eee20e7037896b38f1e4523dd9543c8
Malware Config
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
mail.kuattrode.hn
-
Port
587
-
Username
-
Password
qzN$t-TB#R
-
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 2 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 5 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.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\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iJAISuNbz.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\iJAISuNbz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD522.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.16913.10158.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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ps3lko0o.oex.ps1
tmpD522.tmp
memory/1900-77-0x0000000007B20000-0x0000000007B2A000-memory.dmp
memory/1900-21-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1900-90-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1900-83-0x0000000007DD0000-0x0000000007DD8000-memory.dmp
memory/1900-76-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/1900-53-0x00000000711B0000-0x00000000711FC000-memory.dmp
memory/1900-37-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/1900-26-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/2392-92-0x00000000062D0000-0x0000000006320000-memory.dmp
memory/2392-91-0x0000000006440000-0x0000000006602000-memory.dmp
memory/2392-47-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4448-24-0x00000000059F0000-0x0000000005A56000-memory.dmp
memory/4448-74-0x0000000007020000-0x00000000070C3000-memory.dmp
memory/4448-18-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4448-89-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4448-50-0x0000000006020000-0x000000000603E000-memory.dmp
memory/4448-23-0x0000000005880000-0x00000000058E6000-memory.dmp
memory/4448-22-0x0000000005050000-0x0000000005072000-memory.dmp
memory/4448-19-0x00000000051E0000-0x0000000005808000-memory.dmp
memory/4448-36-0x0000000005A60000-0x0000000005DB4000-memory.dmp
memory/4448-17-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4448-81-0x0000000007580000-0x0000000007594000-memory.dmp
memory/4448-80-0x0000000007570000-0x000000000757E000-memory.dmp
memory/4448-16-0x0000000004A40000-0x0000000004A76000-memory.dmp
memory/4448-82-0x0000000007680000-0x000000000769A000-memory.dmp
memory/4448-51-0x0000000006600000-0x000000000664C000-memory.dmp
memory/4448-69-0x0000000007000000-0x000000000701E000-memory.dmp
memory/4448-54-0x00000000711B0000-0x00000000711FC000-memory.dmp
memory/4448-20-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4448-52-0x0000000006570000-0x00000000065A2000-memory.dmp
memory/4448-79-0x0000000007540000-0x0000000007551000-memory.dmp
memory/4448-75-0x0000000007980000-0x0000000007FFA000-memory.dmp
memory/4448-78-0x00000000075C0000-0x0000000007656000-memory.dmp
memory/4600-9-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4600-10-0x00000000026C0000-0x0000000002744000-memory.dmp
memory/4600-11-0x000000000BEF0000-0x000000000BF8C000-memory.dmp
memory/4600-4-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4600-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp
memory/4600-49-0x0000000074C20000-0x00000000753D0000-memory.dmp
memory/4600-0-0x0000000074C2E000-0x0000000074C2F000-memory.dmp
memory/4600-8-0x0000000074C2E000-0x0000000074C2F000-memory.dmp
memory/4600-5-0x0000000004E20000-0x0000000004E2A000-memory.dmp
memory/4600-2-0x0000000005570000-0x0000000005B14000-memory.dmp
memory/4600-1-0x0000000000500000-0x00000000005BE000-memory.dmp
memory/4600-7-0x0000000006590000-0x00000000065AE000-memory.dmp
memory/4600-6-0x0000000005290000-0x0000000005340000-memory.dmp