Analysis
- max time kernel
94s - max time network
132s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
30/09/2024, 12:10
General
- Target Invoices.exe
- Size 819KB
- Sample240930-pb241svamp
- SHA256 61950e0fb3672dbbc0e5c27c35ea39acb3cec7ee9a1e7ad78e2aab71a3fec4a8
Malware Config
Extracted
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
-
Username
-
Password
y*q.Xw3gh1G^
Extracted
-
vipkeylogger
-
Protocol
smtp
-
Host
foxwagon-equipment.com
-
Port
587
-
Username
-
Password
y*q.Xw3gh1G^
-
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 6 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\Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Invoices.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\JEaysplPgXvv.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\JEaysplPgXvv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD59F.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Invoices.exe"C:\Users\Admin\AppData\Local\Temp\Invoices.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_aas1tx12.kim.ps1
tmpD59F.tmp
memory/2400-19-0x0000000000400000-0x000000000044A000-memory.dmp
memory/2400-66-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/2400-67-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/2400-69-0x00000000069F0000-0x0000000006A40000-memory.dmp
memory/2400-68-0x0000000006B70000-0x0000000006D32000-memory.dmp
memory/2400-28-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/2400-24-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/2400-70-0x0000000007270000-0x000000000779C000-memory.dmp
memory/3364-5-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3364-10-0x000000000B020000-0x000000000B0BC000-memory.dmp
memory/3364-9-0x0000000004AD0000-0x0000000004B5C000-memory.dmp
memory/3364-23-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3364-8-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/3364-7-0x000000007440E000-0x000000007440F000-memory.dmp
memory/3364-6-0x00000000052B0000-0x00000000052CE000-memory.dmp
memory/3364-0-0x000000007440E000-0x000000007440F000-memory.dmp
memory/3364-4-0x0000000005010000-0x000000000501A000-memory.dmp
memory/3364-3-0x0000000005050000-0x00000000050E2000-memory.dmp
memory/3364-2-0x0000000005560000-0x0000000005B04000-memory.dmp
memory/3364-1-0x0000000000540000-0x0000000000610000-memory.dmp
memory/5040-40-0x0000000006850000-0x000000000689C000-memory.dmp
memory/5040-57-0x0000000007DE0000-0x0000000007E76000-memory.dmp
memory/5040-39-0x0000000006820000-0x000000000683E000-memory.dmp
memory/5040-17-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/5040-18-0x0000000005970000-0x0000000005F98000-memory.dmp
memory/5040-15-0x0000000005260000-0x0000000005296000-memory.dmp
memory/5040-42-0x000000006FE30000-0x000000006FE7C000-memory.dmp
memory/5040-52-0x0000000006E00000-0x0000000006E1E000-memory.dmp
memory/5040-53-0x0000000007A40000-0x0000000007AE3000-memory.dmp
memory/5040-41-0x0000000007A00000-0x0000000007A32000-memory.dmp
memory/5040-55-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/5040-54-0x00000000081B0000-0x000000000882A000-memory.dmp
memory/5040-56-0x0000000007BD0000-0x0000000007BDA000-memory.dmp
memory/5040-22-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/5040-58-0x0000000007D60000-0x0000000007D71000-memory.dmp
memory/5040-59-0x0000000007D90000-0x0000000007D9E000-memory.dmp
memory/5040-60-0x0000000007DA0000-0x0000000007DB4000-memory.dmp
memory/5040-62-0x0000000007E80000-0x0000000007E88000-memory.dmp
memory/5040-61-0x0000000007EA0000-0x0000000007EBA000-memory.dmp
memory/5040-65-0x0000000074400000-0x0000000074BB0000-memory.dmp
memory/5040-25-0x0000000005780000-0x00000000057A2000-memory.dmp
memory/5040-26-0x0000000005FA0000-0x0000000006006000-memory.dmp
memory/5040-27-0x0000000006010000-0x0000000006076000-memory.dmp
memory/5040-38-0x0000000006200000-0x0000000006554000-memory.dmp
memory/5040-20-0x0000000074400000-0x0000000074BB0000-memory.dmp