| File name: | TrustedInstaller.exe |
| Full analysis: | https://app.any.run/tasks/4b3d0b5d-41b7-48bc-87c1-18ad45c6e16b |
| 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 13, 2020, 13:18:20 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 0D6C97273B7BC4F05254BF9ECDABA2A1 |
| SHA1: | 92E0B0248B1ACE478258B4411E047B5F26CA942B |
| SHA256: | 7411D9ED9FDC1B9E25F3CD07F40ED556F200267BED3DD97BAC063E11057D5695 |
| SSDEEP: | 6144:suPIHzXADn3i9bGDkoXx1A39nyBTHJ4owHJpUv9BWH3xPtVHbB1tdirZ8ukp8/oz:spbnF39nmDOppD37tS7M8/Vy |
MALICIOUS
QUASAR was detected
- TrustedInstaller.exe (PID: 3028)
SUSPICIOUS
Creates files in the user directory
- TrustedInstaller.exe (PID: 3028)
Checks for external IP
- TrustedInstaller.exe (PID: 3028)
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.) (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: | 2018:12:01 00:46:04+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 552960 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x88e7e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.14.7.21 |
| ProductVersionNumber: | 1.14.7.21 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Microsoft.corp |
| FileDescription: | TrustedInstaller |
| FileVersion: | 1.14.7.21 |
| InternalName: | - |
| LegalCopyright: | Microsoft.corp |
| LegalTrademarks: | - |
| OriginalFileName: | - |
| ProductName: | TrustedInstaller |
| ProductVersion: | 1.14.7.21 |
| AssemblyVersion: | 1.14.7.21 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Nov-2018 23:46:04 |
| Comments: | - |
| CompanyName: | Microsoft.corp |
| FileDescription: | TrustedInstaller |
| FileVersion: | 1.14.7.21 |
| InternalName: | - |
| LegalCopyright: | Microsoft.corp |
| LegalTrademarks: | - |
| OriginalFilename: | - |
| ProductName: | TrustedInstaller |
| ProductVersion: | 1.14.7.21 |
| Assembly Version: | 1.14.7.21 |
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: | 30-Nov-2018 23:46:04 |
| 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 | 0x00086E84 | 0x00087000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.09066 |
.rsrc | 0x0008A000 | 0x00000864 | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.14242 |
.reloc | 0x0008C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.22615 | 1171 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
36
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3028 | "C:\Users\admin\AppData\Local\Temp\TrustedInstaller.exe" | C:\Users\admin\AppData\Local\Temp\TrustedInstaller.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft.corp Integrity Level: MEDIUM Description: TrustedInstaller Exit code: 0 Version: 1.14.7.21 Modules
| |||||||||||||||
Total events
45
Read events
33
Write events
12
Delete events
0
Modification events
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASMANCS |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (3028) TrustedInstaller.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\TrustedInstaller_RASMANCS |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
Executable files
0
Suspicious files
2
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3028 | TrustedInstaller.exe | C:\Users\admin\AppData\Local\Temp\Tmp3F4E.tmp | — | |
MD5:— | SHA256:— | |||
| 3028 | TrustedInstaller.exe | C:\Users\admin\AppData\Local\Temp\Tmp3F4F.tmp | — | |
MD5:— | SHA256:— | |||
| 3028 | TrustedInstaller.exe | C:\Users\admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1302019708-1500728564-335382590-1000\9d1f384a2d84cc9ea8fd5c2cbfe1f680_90059c37-1320-41a4-b58d-2b75a9850d2f | 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
1
DNS requests
1
Threats
4
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3028 | TrustedInstaller.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
3028 | TrustedInstaller.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
3028 | TrustedInstaller.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
3028 | TrustedInstaller.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
1 ETPRO signatures available at the full report