Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
24/10/2024, 01:14
General
- Target c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe
- Size 857KB
- Sample241024-blsrfazenp
- SHA256 c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd
Malware Config
Extracted
-
vipkeylogger
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Protocol
smtp
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Host
mail.fibraunollc.top
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Port
587
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Username
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Password
7213575aceACE@@
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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 11 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\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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\EUjCRllSu.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\EUjCRllSu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9616.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.exe"C:\Users\Admin\AppData\Local\Temp\c7ffefaa549c25376e488ab4c7a41a09493bb962f68658e39a49ac7cb21dacdd.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_jg1gtz1b.n5u.ps1
tmp9616.tmp
memory/444-8-0x00000000751AE000-0x00000000751AF000-memory.dmp
memory/444-4-0x0000000004B70000-0x0000000004B7A000-memory.dmp
memory/444-6-0x0000000004E20000-0x0000000004EBC000-memory.dmp
memory/444-7-0x0000000004DF0000-0x0000000004DFE000-memory.dmp
memory/444-5-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/444-9-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/444-10-0x00000000060E0000-0x000000000616C000-memory.dmp
memory/444-3-0x0000000004AC0000-0x0000000004B52000-memory.dmp
memory/444-0-0x00000000751AE000-0x00000000751AF000-memory.dmp
memory/444-2-0x0000000005160000-0x0000000005704000-memory.dmp
memory/444-1-0x0000000000140000-0x000000000021C000-memory.dmp
memory/444-48-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1044-17-0x0000000005740000-0x0000000005D68000-memory.dmp
memory/1044-51-0x00000000077C0000-0x00000000077F2000-memory.dmp
memory/1044-89-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1044-35-0x0000000006040000-0x0000000006394000-memory.dmp
memory/1044-20-0x00000000056A0000-0x00000000056C2000-memory.dmp
memory/1044-15-0x0000000002D20000-0x0000000002D56000-memory.dmp
memory/1044-16-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1044-34-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1044-18-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/1044-21-0x0000000005EB0000-0x0000000005F16000-memory.dmp
memory/1044-81-0x0000000007CB0000-0x0000000007CCA000-memory.dmp
memory/1044-49-0x0000000006620000-0x000000000663E000-memory.dmp
memory/1044-50-0x00000000068D0000-0x000000000691C000-memory.dmp
memory/1044-82-0x0000000007C90000-0x0000000007C98000-memory.dmp
memory/1044-79-0x0000000007BA0000-0x0000000007BAE000-memory.dmp
memory/1044-62-0x0000000007800000-0x000000000781E000-memory.dmp
memory/1044-52-0x0000000071730000-0x000000007177C000-memory.dmp
memory/1044-22-0x0000000005FD0000-0x0000000006036000-memory.dmp
memory/1044-74-0x0000000007FB0000-0x000000000862A000-memory.dmp
memory/1044-80-0x0000000007BB0000-0x0000000007BC4000-memory.dmp
memory/4608-37-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4608-91-0x00000000068E0000-0x0000000006930000-memory.dmp
memory/4608-90-0x0000000006A50000-0x0000000006C12000-memory.dmp
memory/5044-75-0x0000000007630000-0x000000000764A000-memory.dmp
memory/5044-73-0x0000000007520000-0x00000000075C3000-memory.dmp
memory/5044-63-0x0000000071730000-0x000000007177C000-memory.dmp
memory/5044-19-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/5044-88-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/5044-36-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/5044-76-0x00000000076B0000-0x00000000076BA000-memory.dmp
memory/5044-29-0x00000000751A0000-0x0000000075950000-memory.dmp
memory/5044-78-0x0000000007830000-0x0000000007841000-memory.dmp
memory/5044-77-0x00000000078B0000-0x0000000007946000-memory.dmp