| File name: | connhost.exe |
| Full analysis: | https://app.any.run/tasks/f91d0889-f250-41bd-becc-f66bcf918694 |
| Verdict: | Malicious activity |
| Threats: | Phobos is a ransomware that locks or encrypts files to demand a ransom. It uses AES encryption with different extensions, which leaves no chance to recover the infected files. |
| Analysis date: | August 08, 2020, 12:26:03 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | F6B93314194D2FC45EE4F20F4E49A8D8 |
| SHA1: | 4DDC5603C18E9C8AF3EE678EEBD49289D4915ED6 |
| SHA256: | 6183DD0C1E4A268373CA144595FF6E83ACCCEDAC24AFECE2DA7CA67D81B0D4BA |
| SSDEEP: | 1536:vNeRBl5PT/rx1mzwRMSTdLpJeObjDNJjhkL:vQRrmzwR5JJPD/CL |
MALICIOUS
Runs app for hidden code execution
- connhost.exe (PID: 3332)
Writes to a start menu file
- connhost.exe (PID: 3332)
Changes the autorun value in the registry
- connhost.exe (PID: 3332)
- connhost.exe (PID: 2780)
PHOBOS was detected
- connhost.exe (PID: 3332)
Turns off the firewall via NETSH.EXE
- cmd.exe (PID: 2484)
Deletes shadow copies
- cmd.exe (PID: 1164)
Starts BCDEDIT.EXE to disable recovery
- cmd.exe (PID: 1164)
Loads the Task Scheduler COM API
- wbengine.exe (PID: 3116)
Actions looks like stealing of personal data
- connhost.exe (PID: 3332)
Renames files like Ransomware
- connhost.exe (PID: 3332)
SUSPICIOUS
Starts CMD.EXE for commands execution
- connhost.exe (PID: 3332)
Application launched itself
- connhost.exe (PID: 2780)
- connhost.exe (PID: 3816)
Executable content was dropped or overwritten
- connhost.exe (PID: 3332)
Creates files in the user directory
- connhost.exe (PID: 3332)
Uses NETSH.EXE for network configuration
- cmd.exe (PID: 2484)
Executed via COM
- vdsldr.exe (PID: 4024)
Creates files in the Windows directory
- wbadmin.exe (PID: 2668)
Executed as Windows Service
- wbengine.exe (PID: 3116)
- vds.exe (PID: 556)
Low-level read access rights to disk partition
- wbengine.exe (PID: 3116)
- vds.exe (PID: 556)
Reads the cookies of Mozilla Firefox
- connhost.exe (PID: 3332)
Creates files in the program directory
- connhost.exe (PID: 3332)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:03:31 16:17:25+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 34304 |
| InitializedDataSize: | 15872 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2fa7 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 31-Mar-2020 14:17:25 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000E0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 31-Mar-2020 14:17:25 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x00008598 | 0x00008600 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.58755 |
.rdata | 0x0000A000 | 0x00000E7C | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.27783 |
.data | 0x0000B000 | 0x000026B9 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.17362 |
.reloc | 0x0000E000 | 0x000005EE | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 5.69613 |
.cdata | 0x0000F000 | 0x000034A8 | 0x00003600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.79859 |
Imports
ADVAPI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
SHELL32.dll |
USER32.dll |
WINHTTP.dll |
WS2_32.dll |
ole32.dll |
Total processes
57
Monitored processes
15
Malicious processes
4
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 556 | C:\Windows\System32\vds.exe | C:\Windows\System32\vds.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Virtual Disk Service Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1164 | "C:\Windows\system32\cmd.exe" | C:\Windows\system32\cmd.exe | — | connhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1536 | netsh advfirewall set currentprofile state off | C:\Windows\system32\netsh.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2216 | netsh firewall set opmode mode=disable | C:\Windows\system32\netsh.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2484 | "C:\Windows\system32\cmd.exe" | C:\Windows\system32\cmd.exe | — | connhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2504 | vssadmin delete shadows /all /quiet | C:\Windows\system32\vssadmin.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Command Line Interface for Microsoft® Volume Shadow Copy Service Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2668 | wbadmin delete catalog -quiet | C:\Windows\system32\wbadmin.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Command Line Interface for Microsoft® BLB Backup Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2676 | wmic shadowcopy delete | C:\Windows\System32\Wbem\WMIC.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: WMI Commandline Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2780 | "C:\Users\admin\AppData\Local\Temp\connhost.exe" | C:\Users\admin\AppData\Local\Temp\connhost.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2828 | bcdedit /set {default} recoveryenabled no | C:\Windows\system32\bcdedit.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Boot Configuration Data Editor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
487
Read events
377
Write events
110
Delete events
0
Modification events
| (PID) Process: | (3816) connhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3816) connhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3332) connhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | connhost |
Value: C:\Users\admin\AppData\Local\connhost.exe | |||
| (PID) Process: | (3332) connhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | connhost |
Value: C:\Users\admin\AppData\Local\connhost.exe | |||
| (PID) Process: | (2780) connhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | connhost |
Value: C:\Users\admin\AppData\Local\connhost.exe | |||
| (PID) Process: | (2780) connhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | connhost |
Value: C:\Users\admin\AppData\Local\connhost.exe | |||
| (PID) Process: | (1536) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\137\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (1536) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\137\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
| (PID) Process: | (1536) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\137\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-101 |
Value: Provides DHCP based enforcement for NAP | |||
| (PID) Process: | (1536) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\137\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-103 |
Value: 1.0 | |||
Executable files
3
Suspicious files
296
Text files
2
Unknown types
57
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | — | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | — | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | — | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\programdata\microsoft\windows\start menu\programs\startup\connhost.exe | executable | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.ini.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | binary | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-0411-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | — | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\Setup.xml.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | binary | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-500\desktop.ini.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | binary | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\config.sys.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | binary | |
MD5:— | SHA256:— | |||
| 3332 | connhost.exe | C:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccessMUI.msi.id[C4BA3647-2850].[datawarehouse@inbox.ru].eject | atn | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report