Analysis
- max time kernel
146s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
18/10/2022, 11:17
General
- Target DEKONT_P.EXE.exe
- Size 1.3MB
- Sample221018-ndp2ssfggm
- SHA256 c75c9aa6a59390063715c53c31d399ee5da8d2e03dd7abaae9e369d4b4e5354c
Malware Config
Extracted
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blustealer
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https://api.telegram.org/bot5310184325:AAFI3fSQ6VcGu_NSTmv7d-qK2WCVhYY_qfg/sendMessage?chat_id=1293496579
Signatures
- BluStealer
A Modular information stealer written in Visual Basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 19 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DEKONT_P.EXE.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT_P.EXE.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\XcEQoBlokDImwz.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XcEQoBlokDImwz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1DD8.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DEKONT_P.EXE.exe"C:\Users\Admin\AppData\Local\Temp\DEKONT_P.EXE.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe3⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp1DD8.tmp
memory/2016-156-0x0000000008030000-0x00000000086AA000-memory.dmp
memory/2016-161-0x0000000007C60000-0x0000000007CF6000-memory.dmp
memory/2016-164-0x0000000007D00000-0x0000000007D08000-memory.dmp
memory/2016-163-0x0000000007D20000-0x0000000007D3A000-memory.dmp
memory/2016-162-0x0000000007C10000-0x0000000007C1E000-memory.dmp
memory/2016-140-0x0000000002DC0000-0x0000000002DF6000-memory.dmp
memory/2016-151-0x00000000066D0000-0x00000000066EE000-memory.dmp
memory/2016-142-0x0000000005870000-0x0000000005E98000-memory.dmp
memory/2016-143-0x0000000005710000-0x0000000005732000-memory.dmp
memory/2016-144-0x0000000005F10000-0x0000000005F76000-memory.dmp
memory/2016-160-0x0000000007A50000-0x0000000007A5A000-memory.dmp
memory/2016-157-0x00000000079E0000-0x00000000079FA000-memory.dmp
memory/2016-155-0x0000000006D00000-0x0000000006D1E000-memory.dmp
memory/2016-154-0x0000000071120000-0x000000007116C000-memory.dmp
memory/2016-153-0x0000000006C90000-0x0000000006CC2000-memory.dmp
memory/2272-132-0x0000000000420000-0x000000000056C000-memory.dmp
memory/2272-135-0x0000000004DC0000-0x0000000004DCA000-memory.dmp
memory/2272-133-0x00000000053C0000-0x0000000005964000-memory.dmp
memory/2272-134-0x0000000004E10000-0x0000000004EA2000-memory.dmp
memory/2272-137-0x000000000BD10000-0x000000000BD76000-memory.dmp
memory/2272-136-0x000000000BA50000-0x000000000BAEC000-memory.dmp
memory/4972-159-0x0000000000A00000-0x0000000000A66000-memory.dmp
memory/5024-148-0x0000000000400000-0x000000000046E000-memory.dmp
memory/5024-152-0x0000000000400000-0x000000000046E000-memory.dmp
memory/5024-146-0x0000000000400000-0x000000000046E000-memory.dmp
memory/5024-165-0x0000000000400000-0x000000000046E000-memory.dmp