| File name: | rust-scripts.exe |
| Full analysis: | https://app.any.run/tasks/85b5ca13-e2fe-41ad-a9fb-d2a471f45043 |
| Verdict: | Malicious activity |
| Threats: | Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. |
| Analysis date: | November 16, 2019, 08:35:11 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | A6118F3E574747A2C03AFF4F69D09C14 |
| SHA1: | 8AFBE5BC6F197ECC70B64EA79C73F707744E6DFC |
| SHA256: | B3CD2D9C111002D130AE7A09744A416E86E2917D5D55BBFC3092F0647C490632 |
| SSDEEP: | 6144:AbqQ4i1FFiEK+pbKnewRabKvvsEn9ZOapsk2Io2q:6pliOOnekLHTnbO+2Idq |
MALICIOUS
Runs PING.EXE for delay simulation
- cmd.exe (PID: 272)
- cmd.exe (PID: 4084)
- cmd.exe (PID: 3748)
QUASAR was detected
- rust-scripts.exe (PID: 2176)
- Client.exe (PID: 920)
- Client.exe (PID: 3976)
- Client.exe (PID: 1780)
Drops/Copies Quasar RAT executable
- rust-scripts.exe (PID: 2176)
SUSPICIOUS
Executable content was dropped or overwritten
- rust-scripts.exe (PID: 2176)
Creates files in the user directory
- rust-scripts.exe (PID: 2176)
- Client.exe (PID: 920)
Starts itself from another location
- rust-scripts.exe (PID: 2176)
Starts CMD.EXE for commands execution
- Client.exe (PID: 920)
- Client.exe (PID: 3976)
- Client.exe (PID: 1780)
Checks for external IP
- Client.exe (PID: 3976)
- Client.exe (PID: 920)
- Client.exe (PID: 1780)
- rust-scripts.exe (PID: 2176)
Starts application with an unusual extension
- cmd.exe (PID: 4084)
- cmd.exe (PID: 3748)
- cmd.exe (PID: 272)
INFO
Application was crashed
- Client.exe (PID: 920)
- Client.exe (PID: 3976)
- Client.exe (PID: 1780)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:08:05 20:21:07+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 352768 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x581be |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.3.0.0 |
| ProductVersionNumber: | 1.3.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | - |
| ProductVersion: | 1.3.0.0 |
| AssemblyVersion: | 1.3.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Aug-2019 18:21:07 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | - |
| ProductVersion: | 1.3.0.0 |
| Assembly Version: | 1.3.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 05-Aug-2019 18:21:07 |
| 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 | 0x00002000 | 0x000561C4 | 0x00056200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.44493 |
.rsrc | 0x0005A000 | 0x00000A00 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.23597 |
.reloc | 0x0005C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.22615 | 1171 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
55
Monitored processes
14
Malicious processes
6
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 272 | cmd /c ""C:\Users\admin\AppData\Local\Temp\OmWFOKTzCD8u.bat" " | C:\Windows\system32\cmd.exe | — | Client.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 836 | "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | — | cmd.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 920 | "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | rust-scripts.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3762504530 Version: 1.3.0.0 Modules
| |||||||||||||||
| 952 | ping -n 10 localhost | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1780 | "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 2080 | chcp 65001 | C:\Windows\system32\chcp.com | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2176 | "C:\Users\admin\AppData\Local\Temp\rust-scripts.exe" | C:\Users\admin\AppData\Local\Temp\rust-scripts.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 2424 | chcp 65001 | C:\Windows\system32\chcp.com | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2812 | chcp 65001 | C:\Windows\system32\chcp.com | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Change CodePage Utility Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3616 | ping -n 10 localhost | C:\Windows\system32\PING.EXE | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: TCP/IP Ping Command Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
1 306
Read events
1 270
Write events
36
Delete events
0
Modification events
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2176) rust-scripts.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rust-scripts_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
1
Suspicious files
3
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2176 | rust-scripts.exe | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | executable | |
MD5:— | SHA256:— | |||
| 3976 | Client.exe | C:\Users\admin\AppData\Local\Temp\UbrGzZxh6gQ7.bat | text | |
MD5:— | SHA256:— | |||
| 1780 | Client.exe | C:\Users\admin\AppData\Roaming\KeyLogger\11-16-2019 | binary | |
MD5:— | SHA256:— | |||
| 920 | Client.exe | C:\Users\admin\AppData\Local\Temp\OmWFOKTzCD8u.bat | text | |
MD5:— | SHA256:— | |||
| 1780 | Client.exe | C:\Users\admin\AppData\Local\Temp\Rv1br8lOM8WE.bat | text | |
MD5:— | SHA256:— | |||
| 920 | Client.exe | C:\Users\admin\AppData\Roaming\KeyLogger\11-16-2019 | binary | |
MD5:— | SHA256:— | |||
| 3976 | Client.exe | C:\Users\admin\AppData\Roaming\KeyLogger\11-16-2019 | binary | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
6
DNS requests
5
Threats
23
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3976 | Client.exe | GET | 403 | 104.26.15.73:80 | http://freegeoip.net/shutdown | US | text | 1.51 Kb | malicious |
1780 | Client.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 260 b | malicious |
3976 | Client.exe | GET | — | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | — | — | malicious |
3976 | Client.exe | GET | 301 | 104.26.15.73:80 | http://freegeoip.net/xml/ | US | — | — | malicious |
3976 | Client.exe | GET | — | 54.235.187.248:80 | http://api.ipify.org/ | US | — | — | shared |
2176 | rust-scripts.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 260 b | malicious |
920 | Client.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 260 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
920 | Client.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
2176 | rust-scripts.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
3976 | Client.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
3976 | Client.exe | 104.26.15.73:80 | freegeoip.net | Cloudflare Inc | US | shared |
— | — | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
3976 | Client.exe | 54.235.187.248:80 | api.ipify.org | Amazon.com, Inc. | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
freegeoip.net |
| malicious |
api.ipify.org |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2176 | rust-scripts.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2176 | rust-scripts.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2176 | rust-scripts.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
920 | Client.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
920 | Client.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
920 | Client.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
3976 | Client.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
3976 | Client.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
3976 | Client.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
3976 | Client.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup api.ipify.org |
9 ETPRO signatures available at the full report