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File name:

Client-built.exe

Full analysis: https://app.any.run/tasks/882190b6-1e3f-4b57-aae9-23e43ec9ecaa
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: December 14, 2018, 09:13:40
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
quasar
evasion
trojan
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

6F170458D6428EFA9199B220B0D8CC7B

SHA1:

4D3E7C0CED5EC53E7BA0E36E9A80454F8633D672

SHA256:

BF71C1318D9903CC680CB07F8014493C57794B669A701E31C13752D6025814F1

SSDEEP:

6144:w3NHXf500Mzf52ZXFEuubH/CfM7dD42i:+d50F52ZdoCfM7142i

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • QUASAR was detected

      • Client-built.exe (PID: 3108)
  • SUSPICIOUS

    • Checks for external IP

      • Client-built.exe (PID: 3108)
    • Connects to unusual port

      • Client-built.exe (PID: 3108)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

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: 2018:12:13 17:16:17+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 353280
InitializedDataSize: 3072
UninitializedDataSize: -
EntryPoint: 0x5821e
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: 13-Dec-2018 16:16:17
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: 13-Dec-2018 16:16:17
Pointer to Symbol Table: 0x00000000
Number of symbols: 0
Size of Optional Header: 0x00E0
Characteristics:
  • IMAGE_FILE_32BIT_MACHINE
  • IMAGE_FILE_EXECUTABLE_IMAGE

Sections

Name
Virtual Address
Virtual Size
Raw Size
Charateristics
Entropy
.text
0x00002000
0x00056224
0x00056400
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44475
.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
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
31
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #QUASAR client-built.exe

Process information

PID
CMD
Path
Indicators
Parent process
3108"C:\Users\admin\AppData\Local\Temp\Client-built.exe" C:\Users\admin\AppData\Local\Temp\Client-built.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.3.0.0
Total events
45
Read events
33
Write events
12
Delete events
0

Modification events

(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(3108) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
4294901760
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
3
DNS requests
1
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3108
Client-built.exe
GET
200
185.194.141.58:80
http://ip-api.com/json/
DE
text
313 b
shared
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3108
Client-built.exe
172.16.60.178:4343
unknown
3108
Client-built.exe
185.194.141.58:80
ip-api.com
netcup GmbH
DE
unknown

DNS requests

Domain
IP
Reputation
ip-api.com
  • 185.194.141.58
shared

Threats

PID
Process
Class
Message
3108
Client-built.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
3108
Client-built.exe
A Network Trojan was detected
MALWARE [PTsecurity] Quasar 1.3 RAT IP Lookup ip-api.com (HTTP headeer)
1 ETPRO signatures available at the full report
No debug info