| File name: | svchost.exe |
| Full analysis: | https://app.any.run/tasks/2f79249c-492a-4330-843d-080db21b7dec |
| 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 27, 2021, 02:56:09 |
| 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: | CE9D6790F8AE83F69C2F94E5CDE6FCBC |
| SHA1: | A159EC4B4CA05890D8C538343B69C8227B98DD28 |
| SHA256: | E97EFDD6781E13CC29DA924758BE596BAF5AB6ACF6DC00A0FD626720383DBB71 |
| SSDEEP: | 6144:XTEgdc0YxX953h8SNbRQtKcNmUUzMIsYkPycEXOb8F9GxMyWvcTR3t:XTEgdfYp3h8SoZInpsxMyIcdt |
MALICIOUS
Changes the autorun value in the registry
- svchost.exe (PID: 3384)
- svchost.exe (PID: 2112)
QUASAR was detected
- svchost.exe (PID: 2112)
Connects to CnC server
- svchost.exe (PID: 2112)
SUSPICIOUS
Reads the computer name
- svchost.exe (PID: 3384)
- svchost.exe (PID: 2112)
Checks supported languages
- svchost.exe (PID: 3384)
- svchost.exe (PID: 2112)
Reads Environment values
- svchost.exe (PID: 3384)
- svchost.exe (PID: 2112)
Starts itself from another location
- svchost.exe (PID: 3384)
Creates executable files which already exist in Windows
- svchost.exe (PID: 3384)
Creates files in the user directory
- svchost.exe (PID: 3384)
Executable content was dropped or overwritten
- svchost.exe (PID: 3384)
Creates files in the program directory
- svchost.exe (PID: 2112)
INFO
Reads settings of System Certificates
- svchost.exe (PID: 2112)
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: | 2020:06:05 17:59:49+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 510464 |
| InitializedDataSize: | 3584 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x7e90e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 6.1.7600.16385 |
| ProductVersionNumber: | 6.1.7600.16385 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Host Process for Windows Services |
| FileVersion: | 6.1.7600.16385 |
| InternalName: | svchost.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFileName: | svchost.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 6.1.7600.16385 |
| AssemblyVersion: | 6.1.7600.16385 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Jun-2020 15:59:49 |
| Comments: | - |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Host Process for Windows Services |
| FileVersion: | 6.1.7600.16385 |
| InternalName: | svchost.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFilename: | svchost.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 6.1.7600.16385 |
| Assembly Version: | 6.1.7600.16385 |
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-Jun-2020 15:59:49 |
| 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 | 0x0007C914 | 0x0007CA00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.16617 |
.rsrc | 0x00080000 | 0x00000B84 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.09192 |
.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 | 5.18029 | 1751 | Latin 1 / Western European | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
35
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2112 | "C:\Users\admin\AppData\Roaming\TempDir\svchost.exe" | C:\Users\admin\AppData\Roaming\TempDir\svchost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Services Exit code: 0 Version: 6.1.7600.16385 Modules
| |||||||||||||||
| 3384 | "C:\Users\admin\AppData\Local\Temp\svchost.exe" | C:\Users\admin\AppData\Local\Temp\svchost.exe | Explorer.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Services Exit code: 0 Version: 6.1.7600.16385 Modules
| |||||||||||||||
Total events
4 662
Read events
4 620
Write events
42
Delete events
0
Modification events
| (PID) Process: | (3384) svchost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3384) svchost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | svchost |
Value: "C:\Users\admin\AppData\Local\Temp\svchost.exe" | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | svchost |
Value: "C:\Users\admin\AppData\Roaming\TempDir\svchost.exe" | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (2112) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\svchost_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
Executable files
1
Suspicious files
3
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2112 | svchost.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:— | SHA256:— | |||
| 2112 | svchost.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0 | SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658 | |||
| 2112 | svchost.exe | C:\Users\admin\AppData\Local\Temp\Tar72AD.tmp | cat | |
MD5:D99661D0893A52A0700B8AE68457351A | SHA256:BDD5111162A6FA25682E18FA74E37E676D49CAFCB5B7207E98E5256D1EF0D003 | |||
| 2112 | svchost.exe | C:\Users\admin\AppData\Local\Temp\Cab72AC.tmp | compressed | |
MD5:ACAEDA60C79C6BCAC925EEB3653F45E0 | SHA256:6B0CECCF0103AFD89844761417C1D23ACC41F8AEBF3B7230765209B61EEE5658 | |||
| 3384 | svchost.exe | C:\Users\admin\AppData\Roaming\TempDir\svchost.exe | executable | |
MD5:CE9D6790F8AE83F69C2F94E5CDE6FCBC | SHA256:E97EFDD6781E13CC29DA924758BE596BAF5AB6ACF6DC00A0FD626720383DBB71 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
16
DNS requests
9
Threats
7
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2112 | svchost.exe | GET | 200 | 209.197.3.8:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?48338a86d9b6f6aa | US | compressed | 59.9 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2112 | svchost.exe | 209.197.3.8:80 | ctldl.windowsupdate.com | Highwinds Network Group, Inc. | US | whitelisted |
2112 | svchost.exe | 185.172.148.96:443 | tools.keycdn.com | proinity GmbH | DE | suspicious |
2112 | svchost.exe | 54.91.59.199:443 | api.ipify.org | Amazon.com, Inc. | US | malicious |
2112 | svchost.exe | 193.161.193.99:41619 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
2112 | svchost.exe | 193.161.193.99:37761 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
2112 | svchost.exe | 193.161.193.99:49695 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
2112 | svchost.exe | 193.161.193.99:26911 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
— | — | 193.161.193.99:27845 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
2112 | svchost.exe | 193.161.193.99:27845 | ShiroSensei2486-49695.portmap.host | OOO Bitree Networks | RU | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
ShiroSensei2486-49695.portmap.host |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
tools.keycdn.com |
| suspicious |
api.ipify.org |
| shared |
JowaTonix976-41619.portmap.io |
| malicious |
PearlHarbor953-37761.portmap.io |
| malicious |
badass3456-27845.portmap.io |
| malicious |
ZuckkyRabi198-26911.portmap.host |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2112 | svchost.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (Quasar CnC) |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
— | — | Potential Corporate Privacy Violation | ET POLICY DNS Query to a Reverse Proxy Service Observed |
1 ETPRO signatures available at the full report