| File name: | Jbridge.1.75.exe |
| Full analysis: | https://app.any.run/tasks/ad67e179-45a0-4c60-b67f-476d0920b2df |
| 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: | April 02, 2020, 20:31:35 |
| 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: | B8AEF1221B90F9D29F39A839094CFA89 |
| SHA1: | 24D4D8085F55920D75AD0B1292227789411AD601 |
| SHA256: | A7F352D605C7627959CD9B649A1CE49B6D8FDBDCF9D4FB39D50B155F4470E17C |
| SSDEEP: | 12288:Yq1r6Too1fW9AIS+oe0TcJWfMVIXCYV6iGp6u+:VeTZfp4TAfryYBa6u |
MALICIOUS
Changes the autorun value in the registry
- reg.exe (PID: 3320)
Application was dropped or rewritten from another process
- svhost.exe (PID: 3120)
QUASAR was detected
- svhost.exe (PID: 3120)
SUSPICIOUS
Uses REG.EXE to modify Windows registry
- cmd.exe (PID: 2908)
Executable content was dropped or overwritten
- cmd.exe (PID: 2844)
- Jbridge.1.75.exe (PID: 3776)
Starts CMD.EXE for commands execution
- Jbridge.1.75.exe (PID: 3776)
Checks for external IP
- svhost.exe (PID: 3120)
INFO
No info indicators.
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.) (63.1) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (23.8) |
| .dll | | | Win32 Dynamic Link Library (generic) (5.6) |
| .exe | | | Win32 Executable (generic) (3.8) |
| .exe | | | Generic Win/DOS Executable (1.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:04:02 22:46:17+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 504320 |
| InitializedDataSize: | 12800 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7d176 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 9.7.12.0 |
| ProductVersionNumber: | 9.7.12.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Hamrick Software |
| FileDescription: | VueScan Installer |
| FileVersion: | 9.7.12 |
| InternalName: | VueScan Installer |
| LegalCopyright: | Copyright 2019 Hamrick Software |
| ProductName: | VueScan Installer 9.7.12 |
| ProductVersion: | 9.7.12 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 02-Apr-2020 20:46:17 |
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: | 02-Apr-2020 20:46:17 |
| 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 | 0x0007B17C | 0x0007B200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.60023 |
.rsrc | 0x0007E000 | 0x00002E3C | 0x00003000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.8799 |
.reloc | 0x00082000 | 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 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 4.13669 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 3.91985 | 744 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 4.83772 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 3.68656 | 1640 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 4.50268 | 3752 | UNKNOWN | UNKNOWN | RT_ICON |
101 | 2.86669 | 90 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
48
Monitored processes
8
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2664 | timeout /t 300 | C:\Windows\system32\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2844 | "C:\Windows\System32\cmd.exe" /c copy "C:/Users/admin/AppData/Local/Temp/Jbridge.1.75.exe" "%temp%\Explore\explore.exe" /Y | C:\Windows\System32\cmd.exe | Jbridge.1.75.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2908 | "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\Explore\explore.exe.lnk" /f | C:\Windows\System32\cmd.exe | — | Jbridge.1.75.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3120 | "C:\Users\admin\AppData\Local\Temp\svhost.exe" | C:\Users\admin\AppData\Local\Temp\svhost.exe | Jbridge.1.75.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Exit code: 0 Version: 4.7.3062.0 built by: NET472REL1 Modules
| |||||||||||||||
| 3320 | reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\admin\AppData\Local\Temp\Explore\explore.exe.lnk" /f | C:\Windows\system32\reg.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3776 | "C:\Users\admin\AppData\Local\Temp\Jbridge.1.75.exe" | C:\Users\admin\AppData\Local\Temp\Jbridge.1.75.exe | explorer.exe | ||||||||||||
User: admin Company: Hamrick Software Integrity Level: MEDIUM Description: VueScan Installer Exit code: 0 Version: 9.7.12 Modules
| |||||||||||||||
| 3796 | cmd /c C:\Users\admin\AppData\Local\Temp\Explore\explore.exe.bat | C:\Windows\system32\cmd.exe | — | Jbridge.1.75.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3848 | "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\Explore\explore.exe:Zone.Identifier | C:\Windows\System32\cmd.exe | — | Jbridge.1.75.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
Total events
465
Read events
448
Write events
17
Delete events
0
Modification events
| (PID) Process: | (3320) reg.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows |
| Operation: | write | Name: | Load |
Value: C:\Users\admin\AppData\Local\Temp\Explore\explore.exe.lnk | |||
| (PID) Process: | (3776) Jbridge.1.75.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3776) Jbridge.1.75.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3120) svhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svhost_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
Executable files
2
Suspicious files
0
Text files
2
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3776 | Jbridge.1.75.exe | C:\Users\admin\AppData\Local\Temp\svhost.exe | executable | |
MD5:9AF17C8393F0970EE5136BD3FFA27001 | SHA256:71D6A7A3FE5F8DC878CD5BDECA0E09177EFB85C01E9A8A10A95262CABEFAA019 | |||
| 2844 | cmd.exe | C:\Users\admin\AppData\Local\Temp\Explore\explore.exe | executable | |
MD5:— | SHA256:— | |||
| 3776 | Jbridge.1.75.exe | C:\Users\admin\AppData\Local\Temp\Explore\explore.exe.lnk | lnk | |
MD5:— | SHA256:— | |||
| 3776 | Jbridge.1.75.exe | C:\Users\admin\AppData\Local\Temp\Explore\explore.exe.bat | text | |
MD5:— | SHA256:— | |||
| 3848 | cmd.exe | C:\Users\admin\AppData\Local\Temp\Explore\explore.exe:Zone.Identifier | text | |
MD5:130A75A932A2FE57BFEA6A65B88DA8F6 | SHA256:F2B79CAE559D6772AFC1C2ED9468988178F8B6833D5028A15DEA73CE47D0196E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
8
DNS requests
2
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3120 | svhost.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 261 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 |
|---|---|---|---|---|---|---|
3120 | svhost.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
3120 | svhost.exe | 41.102.70.247:900 | tornoob.me | Telecom Algeria | DZ | unknown |
— | — | 41.102.70.247:900 | tornoob.me | Telecom Algeria | DZ | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
tornoob.me |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3120 | svhost.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
3120 | svhost.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
3120 | svhost.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
1 ETPRO signatures available at the full report