Analysis Overview
SHA256
c4fcfe21455f3aa808eafdc8d0454c72019de3a104e518fc9f059335b4dc6202
Threat Level: Known bad
The file rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe was found to be: Known bad.
Malicious Activity Summary
VIPKeylogger
Command and Scripting Interpreter: PowerShell
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Checks computer location settings
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Suspicious use of SetThreadContext
Enumerates physical storage devices
Browser Information Discovery
Unsigned PE
System Location Discovery: System Language Discovery
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-09-25 12:27
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-09-25 12:27
Reported
2024-09-25 12:29
Platform
win10v2004-20240802-en
Max time kernel
118s
Max time network
141s
Command Line
Signatures
VIPKeylogger
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 828 set thread context of 5072 | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe |
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
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\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| DE | 193.122.6.168:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | 168.6.122.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 104.21.67.152:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | 152.67.21.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| 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 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
memory/828-0-0x000000007472E000-0x000000007472F000-memory.dmp
memory/828-1-0x0000000000190000-0x000000000023C000-memory.dmp
memory/828-2-0x00000000050E0000-0x0000000005684000-memory.dmp
memory/828-3-0x0000000004C10000-0x0000000004CA2000-memory.dmp
memory/828-4-0x0000000004CD0000-0x0000000004CDA000-memory.dmp
memory/828-5-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/828-6-0x0000000004DE0000-0x0000000004DF0000-memory.dmp
memory/828-7-0x000000007472E000-0x000000007472F000-memory.dmp
memory/828-8-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/828-9-0x00000000066E0000-0x000000000676A000-memory.dmp
memory/828-10-0x0000000008DC0000-0x0000000008E5C000-memory.dmp
memory/5072-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/5072-13-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/828-15-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/4988-14-0x00000000047E0000-0x0000000004816000-memory.dmp
memory/4988-17-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/4988-18-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/4988-16-0x0000000004E80000-0x00000000054A8000-memory.dmp
memory/5072-20-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/4988-19-0x0000000004E10000-0x0000000004E32000-memory.dmp
memory/4988-22-0x0000000005780000-0x00000000057E6000-memory.dmp
memory/4988-21-0x0000000005620000-0x0000000005686000-memory.dmp
memory/4988-23-0x0000000074720000-0x0000000074ED0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zq4kdkl2.mhu.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/4988-33-0x00000000057F0000-0x0000000005B44000-memory.dmp
memory/4988-34-0x0000000005DB0000-0x0000000005DCE000-memory.dmp
memory/4988-35-0x0000000005DF0000-0x0000000005E3C000-memory.dmp
memory/4988-36-0x0000000006D90000-0x0000000006DC2000-memory.dmp
memory/4988-37-0x0000000070400000-0x000000007044C000-memory.dmp
memory/4988-47-0x0000000006380000-0x000000000639E000-memory.dmp
memory/4988-48-0x0000000006FD0000-0x0000000007073000-memory.dmp
memory/4988-49-0x0000000007720000-0x0000000007D9A000-memory.dmp
memory/4988-50-0x00000000070E0000-0x00000000070FA000-memory.dmp
memory/4988-51-0x0000000007150000-0x000000000715A000-memory.dmp
memory/4988-52-0x0000000007360000-0x00000000073F6000-memory.dmp
memory/4988-53-0x00000000072E0000-0x00000000072F1000-memory.dmp
memory/4988-54-0x0000000007310000-0x000000000731E000-memory.dmp
memory/4988-55-0x0000000007320000-0x0000000007334000-memory.dmp
memory/4988-56-0x0000000007420000-0x000000000743A000-memory.dmp
memory/4988-57-0x0000000007400000-0x0000000007408000-memory.dmp
memory/4988-60-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/5072-61-0x0000000074720000-0x0000000074ED0000-memory.dmp
memory/5072-62-0x0000000006560000-0x0000000006722000-memory.dmp
memory/5072-63-0x0000000006400000-0x0000000006450000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-09-25 12:27
Reported
2024-09-25 12:29
Platform
win7-20240903-en
Max time kernel
118s
Max time network
153s
Command Line
Signatures
VIPKeylogger
Command and Scripting Interpreter: PowerShell
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2816 set thread context of 2812 | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe |
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
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\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe
"C:\Users\Admin\AppData\Local\Temp\rTEKL__FTALEPVEF__YATTEKL__F___xlsx.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
| JP | 132.226.8.169:80 | checkip.dyndns.org | tcp |
| US | 8.8.8.8:53 | reallyfreegeoip.org | udp |
| US | 172.67.177.134:443 | reallyfreegeoip.org | tcp |
| US | 8.8.8.8:53 | api.telegram.org | udp |
| NL | 149.154.167.220:443 | api.telegram.org | tcp |
Files
memory/2816-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp
memory/2816-1-0x0000000000A20000-0x0000000000ACC000-memory.dmp
memory/2816-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2816-3-0x0000000000260000-0x0000000000270000-memory.dmp
memory/2816-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp
memory/2816-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2816-6-0x00000000053D0000-0x000000000545A000-memory.dmp
memory/2812-7-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-14-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-18-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-19-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2812-16-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2812-11-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-10-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2812-9-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2816-20-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2812-21-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2812-24-0x0000000074AC0000-0x00000000751AE000-memory.dmp
memory/2812-25-0x0000000074AC0000-0x00000000751AE000-memory.dmp