Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
16/10/2024, 05:41
General
- Target d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.exe
- Size 879KB
- Sample241016-gdfd2avgkf
- SHA256 d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d
Malware Config
Extracted
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
(lqKKXb5
Extracted
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vipkeylogger
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Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
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Port
587
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Username
-
Password
(lqKKXb5
-
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 10 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\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.exe"C:\Users\Admin\AppData\Local\Temp\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.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\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.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\ibVPcmv.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\ibVPcmv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBC9.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.exe"C:\Users\Admin\AppData\Local\Temp\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.exe"C:\Users\Admin\AppData\Local\Temp\d1c69953a06498fe205f2b9feeeaff6258ed120ce94790d3a7107b521e09bc6d.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_ij1ujhk3.hgu.ps1
tmpDBC9.tmp
memory/1076-76-0x0000000007890000-0x000000000789A000-memory.dmp
memory/1076-28-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/1076-88-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/1076-81-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/1076-80-0x0000000007A60000-0x0000000007A74000-memory.dmp
memory/1076-74-0x0000000007E70000-0x00000000084EA000-memory.dmp
memory/1076-75-0x0000000007820000-0x000000000783A000-memory.dmp
memory/1076-51-0x0000000006A70000-0x0000000006AA2000-memory.dmp
memory/1076-52-0x00000000712E0000-0x000000007132C000-memory.dmp
memory/1076-68-0x0000000006A40000-0x0000000006A5E000-memory.dmp
memory/1076-82-0x0000000007B40000-0x0000000007B48000-memory.dmp
memory/1076-24-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/1076-22-0x0000000005E20000-0x0000000005E86000-memory.dmp
memory/1076-23-0x0000000005E90000-0x0000000005EF6000-memory.dmp
memory/1076-26-0x0000000005F00000-0x0000000006254000-memory.dmp
memory/1076-48-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2168-19-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2168-50-0x0000000006010000-0x000000000605C000-memory.dmp
memory/2168-89-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2168-79-0x0000000007540000-0x000000000754E000-memory.dmp
memory/2168-49-0x0000000005FF0000-0x000000000600E000-memory.dmp
memory/2168-21-0x0000000005130000-0x0000000005152000-memory.dmp
memory/2168-78-0x0000000007510000-0x0000000007521000-memory.dmp
memory/2168-77-0x0000000007590000-0x0000000007626000-memory.dmp
memory/2168-18-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2168-17-0x00000000051D0000-0x00000000057F8000-memory.dmp
memory/2168-73-0x00000000071E0000-0x0000000007283000-memory.dmp
memory/2168-62-0x00000000712E0000-0x000000007132C000-memory.dmp
memory/2168-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2168-15-0x00000000026E0000-0x0000000002716000-memory.dmp
memory/2592-1-0x00000000003B0000-0x0000000000492000-memory.dmp
memory/2592-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp
memory/2592-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp
memory/2592-4-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2592-5-0x0000000004DD0000-0x0000000004DDA000-memory.dmp
memory/2592-38-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2592-9-0x0000000074BF0000-0x00000000753A0000-memory.dmp
memory/2592-8-0x0000000074BFE000-0x0000000074BFF000-memory.dmp
memory/2592-10-0x0000000006330000-0x00000000063BC000-memory.dmp
memory/2592-7-0x0000000005110000-0x0000000005122000-memory.dmp
memory/2592-6-0x0000000005010000-0x00000000050AC000-memory.dmp
memory/2592-2-0x00000000053A0000-0x0000000005944000-memory.dmp
memory/3452-25-0x0000000000400000-0x0000000000448000-memory.dmp
memory/3452-90-0x0000000006A60000-0x0000000006C22000-memory.dmp
memory/3452-91-0x00000000068E0000-0x0000000006930000-memory.dmp
memory/3452-92-0x0000000007160000-0x000000000768C000-memory.dmp