Analysis Overview
SHA256
0a83cd319702b5f50d699adbb5badb6731879d59df5d8255c623c21e67359ea6
Threat Level: Likely malicious
The file Turkcell_Fatura_7891802.rar was found to be: Likely malicious.
Malicious Activity Summary
Deletes shadow copies
Adds Run key to start application
Checks whether UAC is enabled
Suspicious use of SetThreadContext
Drops file in Windows directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Interacts with shadow copies
Modifies Internet Explorer Phishing Filter
Suspicious use of AdjustPrivilegeToken
Uses Volume Shadow Copy service COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-19 19:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-19 19:42
Reported
2024-10-19 19:42
Platform
win10v2004-20241007-en
Max time kernel
0s
Max time network
6s
Command Line
Signatures
Processes
Network
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-19 19:42
Reported
2024-10-19 19:45
Platform
win7-20240708-en
Max time kernel
149s
Max time network
145s
Command Line
Signatures
Deletes shadow copies
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\qmelumif = "\"C:\\Windows\\gxahefel.exe\"" | C:\Windows\SysWOW64\explorer.exe | N/A |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2396 set thread context of 2360 | N/A | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe |
| PID 2360 set thread context of 2168 | N/A | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe | C:\Windows\SysWOW64\explorer.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\gxahefel.exe | C:\Windows\SysWOW64\explorer.exe | N/A |
| File opened for modification | C:\Windows\gxahefel.exe | C:\Windows\SysWOW64\explorer.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\vssadmin.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\explorer.exe | N/A |
Interacts with shadow copies
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\vssadmin.exe | N/A |
Modifies Internet Explorer Phishing Filter
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\PhishingFilter | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0" | C:\Windows\SysWOW64\explorer.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeBackupPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeRestorePrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
| Token: SeAuditPrivilege | N/A | C:\Windows\system32\vssvc.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Processes
C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe
"C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe"
C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe
"C:\Users\Admin\AppData\Local\Temp\Turkcell_Fatura_789180\Turkcell_Fatura_789180.exe"
C:\Windows\SysWOW64\explorer.exe
"C:\Windows\system32\explorer.exe"
C:\Windows\SysWOW64\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | yourdatamydata.ru | udp |
Files
memory/2396-0-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/2396-1-0x0000000000270000-0x0000000000276000-memory.dmp
memory/2360-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2360-4-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2360-9-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2396-7-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/2360-10-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2360-8-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2168-13-0x0000000000080000-0x00000000000BC000-memory.dmp
memory/2168-12-0x0000000000080000-0x00000000000BC000-memory.dmp
memory/2360-17-0x0000000000400000-0x000000000043A000-memory.dmp
C:\ProgramData\utoligapetoqemaz\01000000
| MD5 | fc49ef25f69c8caa07c4005db8c8d650 |
| SHA1 | 8d071de105f28257f0300d5c78cb15aeecd28126 |
| SHA256 | 60343f8740638b2ff270829b178973905482f2cab48bfb17b83061cf6484f569 |
| SHA512 | 604190ed026bb8f1fdc469fcc602275f6d071761459a151914be8cf1f4711a192f92529bb1ce60b69a76ff823545c47febd9899a54115cfa1a63c5d1629c25bf |
memory/2168-21-0x0000000000080000-0x00000000000BC000-memory.dmp
memory/2168-24-0x0000000000080000-0x00000000000BC000-memory.dmp