| File name: | C:\Users\admin\AppData\Roaming\SubDir\Client.exe |
| Full analysis: | https://app.any.run/tasks/3e3be871-9f58-4511-bce2-82e744043dcc |
| 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: | October 31, 2019, 20:52:49 |
| 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: | D93A52FC1F430E4FBAFD4D72B40692BA |
| SHA1: | C394D83C18F26A89D37900384E1976908DC51C97 |
| SHA256: | F1AC8846D47FE7551D4F8D99D8D7BDCAEB7D4E83204C38E08900C97A19170EA6 |
| SSDEEP: | 6144:cmAjEG6T6PE+MDHS7wZNngmG28X7GKnuB0KapOZRZQbhyIfqRNuGgXb43+9K9eV8:1KEr+MmHGbgI6LBo+89+AHVMkToq |
| .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) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:10:25 00:04:26+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 543744 |
| InitializedDataSize: | 3072 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x86b5e |
| 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: | Quasar Client |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2018 |
| LegalTrademarks: | - |
| OriginalFileName: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.3.0.0 |
| AssemblyVersion: | 1.3.0.0 |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 24-Oct-2019 22:04:26 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.3.0.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2018 |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.3.0.0 |
| Assembly Version: | 1.3.0.0 |
| 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 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 24-Oct-2019 22:04:26 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x00084B64 | 0x00084C00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.11562 |
.rsrc | 0x00088000 | 0x0000083C | 0x00000A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.2629 |
.reloc | 0x0008A000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0980042 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.18749 | 1144 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2156 | "C:\Users\admin\AppData\Local\Temp\Client.exe" | C:\Users\admin\AppData\Local\Temp\Client.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| 2740 | "C:\Users\admin\AppData\Roaming\SubDir\Client.exe" | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | Client.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.3.0.0 Modules
| |||||||||||||||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\p2pcollab.dll,-8042 |
Value: Peer to Peer Trust | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\qagentrt.dll,-10 |
Value: System Health Authentication | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\system32\dnsapi.dll,-103 |
Value: Domain Name System (DNS) Server Trust | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-843 |
Value: BitLocker Drive Encryption | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\12B\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\fveui.dll,-844 |
Value: BitLocker Data Recovery Agent | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
| (PID) Process: | (2156) Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: 4294901760 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2740 | Client.exe | C:\Users\admin\AppData\Roaming\files\10-31-2019 | binary | |
MD5:— | SHA256:— | |||
| 2156 | Client.exe | C:\Users\admin\AppData\Roaming\SubDir\Client.exe | executable | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2156 | Client.exe | GET | 200 | 185.194.141.58:80 | http://ip-api.com/json/ | DE | text | 286 b | malicious |
2740 | Client.exe | GET | 200 | 185.194.141.58:80 | http://ip-api.com/json/ | DE | text | 286 b | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2156 | Client.exe | 185.194.141.58:80 | ip-api.com | netcup GmbH | DE | unknown |
2740 | Client.exe | 185.194.141.58:80 | ip-api.com | netcup GmbH | DE | unknown |
Domain | IP | Reputation |
|---|---|---|
ip-api.com |
| malicious |
dns.msftncsi.com |
| shared |
PID | Process | Class | Message |
|---|---|---|---|
2156 | Client.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2156 | Client.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2156 | Client.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
2740 | Client.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
2740 | Client.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
2740 | Client.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |