Analysis
- max time kernel
137s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
05/12/2024, 15:54
General
- Target 228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe
- Size 749KB
- Sample241205-tcfdvsxmem
- SHA256 228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9
Malware Config
Extracted
-
Protocol
ftp
-
Host
kashmirestore.com
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Port
21
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Username
-
Password
c%P+6,(]YFvP
Extracted
-
vipkeylogger
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 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe"C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.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
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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\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aoTiGLRa.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aoTiGLRa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF50E.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe"C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.exe"C:\Users\Admin\AppData\Local\Temp\228e6f4564fe08c94660250de5fc8832ce73b21edad1e81f6969c9a6dedbbfa9.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
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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_wsrxqqgg.mb5.ps1
tmpF50E.tmp
memory/1764-39-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/1764-3-0x0000000005370000-0x0000000005402000-memory.dmp
memory/1764-5-0x0000000005320000-0x000000000532A000-memory.dmp
memory/1764-6-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/1764-7-0x00000000056F0000-0x000000000570C000-memory.dmp
memory/1764-8-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/1764-9-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/1764-10-0x0000000008160000-0x00000000081EE000-memory.dmp
memory/1764-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp
memory/1764-1-0x0000000000860000-0x0000000000922000-memory.dmp
memory/1764-4-0x0000000005410000-0x00000000054AC000-memory.dmp
memory/1764-2-0x0000000005920000-0x0000000005EC4000-memory.dmp
memory/2324-82-0x0000000007D50000-0x0000000007D58000-memory.dmp
memory/2324-90-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2324-64-0x0000000070FF0000-0x000000007103C000-memory.dmp
memory/2324-38-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2324-22-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2324-80-0x0000000007C70000-0x0000000007C84000-memory.dmp
memory/2324-19-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/2324-79-0x0000000007C60000-0x0000000007C6E000-memory.dmp
memory/2324-78-0x0000000007C30000-0x0000000007C41000-memory.dmp
memory/3064-92-0x0000000006840000-0x0000000006890000-memory.dmp
memory/3064-91-0x00000000069C0000-0x0000000006B82000-memory.dmp
memory/3064-93-0x00000000070C0000-0x00000000075EC000-memory.dmp
memory/3064-31-0x0000000000400000-0x000000000044A000-memory.dmp
memory/4844-28-0x0000000005A90000-0x0000000005AF6000-memory.dmp
memory/4844-52-0x0000000070FF0000-0x000000007103C000-memory.dmp
memory/4844-62-0x00000000066D0000-0x00000000066EE000-memory.dmp
memory/4844-63-0x00000000070F0000-0x0000000007193000-memory.dmp
memory/4844-65-0x0000000007AE0000-0x000000000815A000-memory.dmp
memory/4844-51-0x00000000070A0000-0x00000000070D2000-memory.dmp
memory/4844-75-0x0000000007460000-0x000000000747A000-memory.dmp
memory/4844-76-0x00000000074C0000-0x00000000074CA000-memory.dmp
memory/4844-77-0x00000000076D0000-0x0000000007766000-memory.dmp
memory/4844-50-0x0000000006150000-0x000000000619C000-memory.dmp
memory/4844-49-0x0000000006130000-0x000000000614E000-memory.dmp
memory/4844-21-0x0000000005180000-0x00000000051A2000-memory.dmp
memory/4844-81-0x0000000007790000-0x00000000077AA000-memory.dmp
memory/4844-29-0x0000000005B00000-0x0000000005B66000-memory.dmp
memory/4844-32-0x0000000005B70000-0x0000000005EC4000-memory.dmp
memory/4844-30-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4844-89-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4844-18-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4844-16-0x0000000074B00000-0x00000000752B0000-memory.dmp
memory/4844-17-0x00000000052F0000-0x0000000005918000-memory.dmp
memory/4844-15-0x0000000002800000-0x0000000002836000-memory.dmp