Analysis
- max time kernel
122s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
27/09/2024, 12:43
General
- Target Dekont.rar.xlxs.pdf.exe
- Size 661KB
- Sample240927-pxw5wsshmp
- SHA256 f7ef5be8bf7de33a4fe1bb68ba8aac2cdc5c42060971b8c9a7cab498476cf3b6
Malware Config
Extracted
-
Protocol
ftp
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Host
awaratrendz.com
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Port
21
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Username
-
Password
mxH!EyDs(.jx
Extracted
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vipkeylogger
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\Dekont.rar.xlxs.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.rar.xlxs.pdf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- 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\Dekont.rar.xlxs.pdf.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\aufuaLRIozt.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\aufuaLRIozt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2A.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\Dekont.rar.xlxs.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Dekont.rar.xlxs.pdf.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_mlykbby0.3rn.ps1
tmp2A.tmp
memory/708-93-0x00000000070A0000-0x00000000075CC000-memory.dmp
memory/708-92-0x0000000006820000-0x0000000006870000-memory.dmp
memory/708-91-0x00000000069A0000-0x0000000006B62000-memory.dmp
memory/708-38-0x0000000000400000-0x000000000044A000-memory.dmp
memory/1636-76-0x0000000007600000-0x000000000761A000-memory.dmp
memory/1636-33-0x0000000005CD0000-0x0000000006024000-memory.dmp
memory/1636-90-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/1636-83-0x0000000007920000-0x0000000007928000-memory.dmp
memory/1636-81-0x0000000007840000-0x0000000007854000-memory.dmp
memory/1636-80-0x0000000007830000-0x000000000783E000-memory.dmp
memory/1636-78-0x0000000007880000-0x0000000007916000-memory.dmp
memory/1636-75-0x0000000007C40000-0x00000000082BA000-memory.dmp
memory/1636-64-0x00000000074A0000-0x0000000007543000-memory.dmp
memory/1636-21-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/1636-22-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/1636-63-0x0000000007230000-0x000000000724E000-memory.dmp
memory/1636-52-0x0000000007250000-0x0000000007282000-memory.dmp
memory/1636-53-0x0000000075510000-0x000000007555C000-memory.dmp
memory/1636-32-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/2356-51-0x0000000006330000-0x000000000637C000-memory.dmp
memory/2356-16-0x0000000004C40000-0x0000000004C76000-memory.dmp
memory/2356-89-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/2356-23-0x0000000005250000-0x0000000005272000-memory.dmp
memory/2356-82-0x00000000078C0000-0x00000000078DA000-memory.dmp
memory/2356-50-0x0000000006260000-0x000000000627E000-memory.dmp
memory/2356-17-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/2356-18-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/2356-25-0x0000000005AF0000-0x0000000005B56000-memory.dmp
memory/2356-24-0x0000000005A80000-0x0000000005AE6000-memory.dmp
memory/2356-65-0x0000000075510000-0x000000007555C000-memory.dmp
memory/2356-20-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/2356-19-0x00000000053E0000-0x0000000005A08000-memory.dmp
memory/2356-79-0x0000000007780000-0x0000000007791000-memory.dmp
memory/2356-77-0x00000000075F0000-0x00000000075FA000-memory.dmp
memory/4740-8-0x0000000074C8E000-0x0000000074C8F000-memory.dmp
memory/4740-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp
memory/4740-7-0x00000000059E0000-0x00000000059F0000-memory.dmp
memory/4740-9-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/4740-49-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/4740-11-0x00000000097C0000-0x000000000985C000-memory.dmp
memory/4740-5-0x0000000074C80000-0x0000000075430000-memory.dmp
memory/4740-4-0x00000000056D0000-0x00000000056DA000-memory.dmp
memory/4740-10-0x0000000007140000-0x00000000071CC000-memory.dmp
memory/4740-6-0x0000000006D30000-0x0000000006DD2000-memory.dmp
memory/4740-3-0x0000000005740000-0x00000000057D2000-memory.dmp
memory/4740-2-0x0000000005CF0000-0x0000000006294000-memory.dmp
memory/4740-1-0x0000000000DC0000-0x0000000000E6C000-memory.dmp