Analysis Overview
SHA256
5923a0d6ac3cd029ce06706021aaaff83c55193a23c2d5fedd5b3cdd0065b081
Threat Level: Known bad
The file tmp19dwk3tr was found to be: Known bad.
Malicious Activity Summary
BluStealer
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Script User-Agent
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-04-21 06:45
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2023-04-21 06:45
Reported
2023-04-21 06:47
Platform
win7-20230220-en
Max time kernel
69s
Max time network
33s
Command Line
Signatures
BluStealer
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1336 set thread context of 1440 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe |
| PID 1440 set thread context of 2024 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe
"C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe"
C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe
"C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
Network
Files
memory/1336-54-0x00000000013D0000-0x00000000014B6000-memory.dmp
memory/1336-55-0x0000000004E00000-0x0000000004E40000-memory.dmp
memory/1336-56-0x0000000000420000-0x0000000000432000-memory.dmp
memory/1336-57-0x0000000004E00000-0x0000000004E40000-memory.dmp
memory/1336-58-0x0000000000430000-0x000000000043C000-memory.dmp
memory/1336-59-0x0000000005C70000-0x0000000005D1C000-memory.dmp
memory/1336-60-0x0000000004F30000-0x0000000004FA6000-memory.dmp
memory/1440-61-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1440-62-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1440-63-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1440-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1440-66-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1440-68-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1336-70-0x0000000004E05000-0x0000000004E23000-memory.dmp
memory/1440-72-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2024-73-0x00000000000F0000-0x0000000000156000-memory.dmp
memory/2024-74-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp
memory/2024-75-0x00000000000F0000-0x0000000000156000-memory.dmp
memory/2024-77-0x00000000000F0000-0x0000000000156000-memory.dmp
memory/2024-79-0x00000000000F0000-0x0000000000156000-memory.dmp
memory/2024-81-0x0000000000E20000-0x0000000000E60000-memory.dmp
memory/2024-80-0x00000000047B0000-0x000000000486C000-memory.dmp
memory/1440-82-0x0000000000400000-0x000000000046E000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2023-04-21 06:45
Reported
2023-04-21 06:47
Platform
win10v2004-20230220-en
Max time kernel
149s
Max time network
139s
Command Line
Signatures
BluStealer
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1896 set thread context of 2404 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe |
| PID 2404 set thread context of 4236 | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Enumerates physical storage devices
Script User-Agent
| Description | Indicator | Process | Target |
| HTTP User-Agent header | Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) | N/A | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe
"C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe"
C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe
"C:\Users\Admin\AppData\Local\Temp\tmp19dwk3tr.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 20.189.173.4:443 | tcp | |
| US | 93.184.221.240:80 | tcp | |
| NL | 173.223.113.164:443 | tcp | |
| NL | 173.223.113.131:80 | tcp | |
| US | 204.79.197.203:80 | tcp | |
| US | 8.8.8.8:53 | 44.8.109.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
| US | 8.8.8.8:53 | 220.167.154.149.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 22.249.124.192.in-addr.arpa | udp |
Files
memory/1896-133-0x0000000000850000-0x0000000000936000-memory.dmp
memory/1896-134-0x0000000005A70000-0x0000000006014000-memory.dmp
memory/1896-135-0x00000000054C0000-0x0000000005552000-memory.dmp
memory/1896-136-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/1896-137-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/1896-138-0x00000000080B0000-0x000000000814C000-memory.dmp
memory/1896-140-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/2404-139-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2404-143-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2404-146-0x0000000000400000-0x000000000046E000-memory.dmp
memory/4236-147-0x0000000001160000-0x00000000011C6000-memory.dmp
memory/4236-148-0x00000000057A0000-0x00000000057B0000-memory.dmp