File name:

Client-built.exe

Full analysis: https://app.any.run/tasks/adbfb49b-bbff-46ef-8418-b4ca1da1abb8
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 08, 2019, 16:29:38
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:

FC2A0199F5FDD3934270EC60DCD5AEBF

SHA1:

D4AE40B681E5FA09AE72CC2A54528800D554D5E1

SHA256:

212D8655988A2F373133802B191112E3E63E2C0B93A8A58D2EC4DB55B4B3E99F

SSDEEP:

12288:Vd50xNUKhECJr6ManAITfcB4oy3OrZhXnCi:Vr0xqKhECMMydOrZhXnt

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: 2124)
  • SUSPICIOUS

    • Checks for external IP

      • Client-built.exe (PID: 2124)
  • 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.) (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: 2019:11:08 17:29:14+01:00
PEType: PE32
LinkerVersion: 8
CodeSize: 352768
InitializedDataSize: 373248
UninitializedDataSize: -
EntryPoint: 0x5819e
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: 08-Nov-2019 16:29:14
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: 08-Nov-2019 16:29:14
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
0x000561A4
0x00056200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44363
.rsrc
0x0005A000
0x0005AF14
0x0005B000
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
4.64145
.reloc
0x000B6000
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
Latin 1 / Western European
UNKNOWN
RT_MANIFEST
2
4.91509
67624
Latin 1 / Western European
UNKNOWN
RT_ICON
3
5.1752
16936
Latin 1 / Western European
UNKNOWN
RT_ICON
4
5.4929
9640
Latin 1 / Western European
UNKNOWN
RT_ICON
5
5.6303
4264
Latin 1 / Western European
UNKNOWN
RT_ICON
6
5.8164
1128
Latin 1 / Western European
UNKNOWN
RT_ICON

Imports

mscoree.dll
No data.
screenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
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
2124"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
Exit code:
0
Version:
1.3.0.0
Modules
Images
c:\users\admin\appdata\local\temp\client-built.exe
c:\systemroot\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
Total events
44
Read events
32
Write events
12
Delete events
0

Modification events

(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
4294901760
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2124) Client-built.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\Client-built_RASMANCS
Operation:writeName:FileTracingMask
Value:
4294901760
(PID) Process:(2124) 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
0
TCP/UDP connections
1
DNS requests
1
Threats
4

HTTP requests

No 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
2124
Client-built.exe
208.95.112.1:80
ip-api.com
IBURST
malicious

DNS requests

Domain
IP
Reputation
ip-api.com
  • 208.95.112.1
malicious

Threats

PID
Process
Class
Message
2124
Client-built.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2124
Client-built.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
2124
Client-built.exe
A Network Trojan was detected
REMOTE [PTsecurity] Quasar.RAT IP Lookup
1 ETPRO signatures available at the full report
No debug info