| File name: | Fast.exe |
| Full analysis: | https://app.any.run/tasks/e3cf6a15-c656-4f2f-8fa7-f4dfee48407b |
| 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: | February 02, 2022, 13:41:18 |
| 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: | EB4F27EA21FF4C49D861781B882BCB79 |
| SHA1: | BA52ACB6E5ED7E2353EF4FF0FA387D0381D48D4D |
| SHA256: | CD7BA265537705089F6165F026C7A84F7DA16CD5275B9F4FD626D2855005A50F |
| SSDEEP: | 1536:wNeRBl5PT/rx1mzwRMSTdLpJHi/1o27CK:wQRrmzwR5Jj2J |
MALICIOUS
Runs app for hidden code execution
- Fast.exe (PID: 3676)
Changes the autorun value in the registry
- Fast.exe (PID: 3676)
- Fast.exe (PID: 3416)
Writes to a start menu file
- Fast.exe (PID: 3676)
Deletes shadow copies
- cmd.exe (PID: 2660)
Turns off the firewall via NETSH.EXE
- cmd.exe (PID: 548)
Drops executable file immediately after starts
- Fast.exe (PID: 3676)
PHOBOS was detected
- Fast.exe (PID: 3676)
Starts BCDEDIT.EXE to disable recovery
- cmd.exe (PID: 2660)
Runs injected code in another process
- wbadmin.exe (PID: 3792)
Application was injected by another process
- svchost.exe (PID: 332)
- SearchIndexer.exe (PID: 2996)
- wmiprvse.exe (PID: 2456)
- svchost.exe (PID: 2748)
- svchost.exe (PID: 876)
Actions looks like stealing of personal data
- Fast.exe (PID: 3676)
Loads the Task Scheduler COM API
- wbengine.exe (PID: 2700)
Steals credentials from Web Browsers
- Fast.exe (PID: 3676)
Renames files like Ransomware
- Fast.exe (PID: 3676)
SUSPICIOUS
Application launched itself
- Fast.exe (PID: 3416)
- Fast.exe (PID: 3636)
- taskmgr.exe (PID: 3360)
Checks supported languages
- Fast.exe (PID: 3636)
- Fast.exe (PID: 3416)
- Fast.exe (PID: 3676)
- cmd.exe (PID: 548)
- cmd.exe (PID: 2660)
- WMIC.exe (PID: 3604)
- wmiprvse.exe (PID: 2456)
Reads the computer name
- Fast.exe (PID: 3636)
- Fast.exe (PID: 3676)
- Fast.exe (PID: 3416)
- WMIC.exe (PID: 3604)
- wmiprvse.exe (PID: 2456)
Starts CMD.EXE for commands execution
- Fast.exe (PID: 3676)
Reads Environment values
- netsh.exe (PID: 756)
- netsh.exe (PID: 2136)
Creates files in the user directory
- Fast.exe (PID: 3676)
Uses NETSH.EXE for network configuration
- cmd.exe (PID: 548)
Executed as Windows Service
- vssvc.exe (PID: 3840)
- wbengine.exe (PID: 2700)
- vds.exe (PID: 1084)
- vds.exe (PID: 1296)
Creates files in the Windows directory
- wbadmin.exe (PID: 3792)
Reads the cookies of Mozilla Firefox
- Fast.exe (PID: 3676)
Executed via COM
- vdsldr.exe (PID: 2168)
Drops a file with too old compile date
- Fast.exe (PID: 3676)
Executable content was dropped or overwritten
- Fast.exe (PID: 3676)
Drops a file that was compiled in debug mode
- Fast.exe (PID: 3676)
Drops a file with a compile date too recent
- Fast.exe (PID: 3676)
Creates files in the program directory
- Fast.exe (PID: 3676)
INFO
Checks supported languages
- vssadmin.exe (PID: 2512)
- netsh.exe (PID: 756)
- svchost.exe (PID: 2748)
- vssvc.exe (PID: 3840)
- netsh.exe (PID: 2136)
- bcdedit.exe (PID: 3668)
- wbadmin.exe (PID: 3792)
- wbengine.exe (PID: 2700)
- bcdedit.exe (PID: 1444)
- vds.exe (PID: 1084)
- vdsldr.exe (PID: 2168)
- vds.exe (PID: 1296)
- taskmgr.exe (PID: 3360)
- taskmgr.exe (PID: 1204)
Reads the computer name
- netsh.exe (PID: 756)
- netsh.exe (PID: 2136)
- svchost.exe (PID: 2748)
- vssadmin.exe (PID: 2512)
- vssvc.exe (PID: 3840)
- wbadmin.exe (PID: 3792)
- wbengine.exe (PID: 2700)
- vdsldr.exe (PID: 2168)
- vds.exe (PID: 1084)
- vds.exe (PID: 1296)
- taskmgr.exe (PID: 3360)
- taskmgr.exe (PID: 1204)
Manual execution by user
- taskmgr.exe (PID: 3360)
Dropped object may contain Bitcoin addresses
- Fast.exe (PID: 3676)
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
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x2fa7 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 15872 |
| CodeSize: | 34304 |
| LinkerVersion: | 10 |
| PEType: | PE32 |
| TimeStamp: | 2020:03:31 16:17:25+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
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 | 6.18117 |
.reloc | 0x0000E000 | 0x000005EE | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 5.69613 |
.cdata | 0x0000F000 | 0x000036E8 | 0x00003800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.8277 |
Imports
ADVAPI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
SHELL32.dll |
USER32.dll |
WINHTTP.dll |
WS2_32.dll |
ole32.dll |
Total processes
63
Monitored processes
24
Malicious processes
3
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 332 | C:\Windows\system32\svchost.exe -k NetworkService | C:\Windows\system32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 548 | "C:\Windows\system32\cmd.exe" | C:\Windows\system32\cmd.exe | — | Fast.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
| |||||||||||||||
| 756 | 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
| |||||||||||||||
| 876 | C:\Windows\system32\svchost.exe -k netsvcs | C:\Windows\system32\svchost.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1084 | 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: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1204 | "C:\Windows\system32\taskmgr.exe" /1 | C:\Windows\system32\taskmgr.exe | taskmgr.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Task Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1296 | 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: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1444 | bcdedit /set {default} bootstatuspolicy ignoreallfailures | 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
| |||||||||||||||
| 2136 | 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
| |||||||||||||||
| 2168 | C:\Windows\System32\vdsldr.exe -Embedding | C:\Windows\System32\vdsldr.exe | — | svchost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Virtual Disk Service Loader Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
12 293
Read events
12 147
Write events
146
Delete events
0
Modification events
| (PID) Process: | (3636) Fast.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3636) Fast.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3636) Fast.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3636) Fast.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-1302019708-1500728564-335382590-1000 |
| Operation: | write | Name: | RefCount |
Value: 2 | |||
| (PID) Process: | (876) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList\S-1-5-21-1302019708-1500728564-335382590-1000 |
| Operation: | write | Name: | RefCount |
Value: 1 | |||
| (PID) Process: | (3676) Fast.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Fast |
Value: C:\Users\admin\AppData\Local\Fast.exe | |||
| (PID) Process: | (3676) Fast.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Fast |
Value: C:\Users\admin\AppData\Local\Fast.exe | |||
| (PID) Process: | (756) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (756) netsh.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dhcpqec.dll,-100 |
Value: DHCP Quarantine Enforcement Client | |||
Executable files
211
Suspicious files
8 189
Text files
43
Unknown types
405
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3676 | Fast.exe | C:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2822].[adrianodugdale@aol.com].eight | — | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\MSOCache\All Users\{90140000-0015-0407-0000-0000000FF1CE}-C\AccLR.cab | — | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2822].[adrianodugdale@aol.com].eight | — | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\MSOCache\All Users\{90140000-0015-040C-0000-0000000FF1CE}-C\AccLR.cab | — | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\Users\admin\AppData\Local\Fast.exe | executable | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-500\desktop.ini.id[C4BA3647-2822].[adrianodugdale@aol.com].eight | fli | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\MSOCache\All Users\{90140000-0015-0410-0000-0000000FF1CE}-C\AccLR.cab.id[C4BA3647-2822].[adrianodugdale@aol.com].eight | — | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\programdata\microsoft\windows\start menu\programs\startup\Fast.exe | executable | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\users\admin\appdata\roaming\microsoft\windows\start menu\programs\startup\Fast.exe | executable | |
MD5:— | SHA256:— | |||
| 3676 | Fast.exe | C:\autoexec.bat.id[C4BA3647-2822].[adrianodugdale@aol.com].eight | binary | |
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