File name:

a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe

Full analysis: https://app.any.run/tasks/533aac1e-de3c-4cb4-8cc2-4468035ff278
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.

Malware Trends Tracker     >>>
Analysis date: December 14, 2024, 12:27:23
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
quasar
Indicators:
MIME: application/vnd.microsoft.portable-executable
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 3 sections
MD5:

B29DE0D04753EC41025D33B6C305B91D

SHA1:

1FBB9CFBDA8C550A142A80CEF83706923AF87CD8

SHA256:

A4CBE08B12CAF091CEC50234D9A2D54FFBBD308B4E3C76EF5394C21A35D0E043

SSDEEP:

49152:dkEcsT90z2NkvSCmRf7uY1+DVlYZ+hHjGmt/3DgBlrsSBnU6cD898meRvjYz0ggZ:+2NkKCmRf7uY1+DVlYZ+hHaIDg3E7VH

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

    • Changes the autorun value in the registry

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)

    • QUASAR has been detected (YARA)

      • Sever Startup.exe (PID: 1684)

  • SUSPICIOUS

    • Starts itself from another location

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)

    • Executable content was dropped or overwritten

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)

    • Connects to unusual port

      • Sever Startup.exe (PID: 1684)

  • INFO

    • Creates files or folders in the user directory

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)

    • Reads the computer name

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)

    • Reads Environment values

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)

    • Reads the machine GUID from the registry

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)

    • The process uses the downloaded file

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)

    • Checks supported languages

      • a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe (PID: 3152)
      • Sever Startup.exe (PID: 1684)
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

AssemblyVersion: 2.1.2.3
ProductVersion: 2.1.2.3
ProductName: Meta Tool
OriginalFileName: -
LegalTrademarks: -
LegalCopyright: Meta
InternalName: -
FileVersion: 2.1.2.4
FileDescription: -
CompanyName: Meta
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 2.1.2.3
FileVersionNumber: 2.1.2.4
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x31e41e
UninitializedDataSize: -
InitializedDataSize: 7680
CodeSize: 3261952
LinkerVersion: 8
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2023:03:12 16:16:39+00:00
MachineType: Intel 386 or later, and compatibles
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
118
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe #QUASAR sever startup.exe

Process information

PID
CMD
Path
Indicators
Parent process
3152"C:\Users\admin\Desktop\a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe" C:\Users\admin\Desktop\a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
explorer.exe
User:
admin
Company:
Meta
Integrity Level:
MEDIUM
Exit code:
3
Version:
2.1.2.4
Modules
Images
c:\users\admin\desktop\a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
1684"C:\Users\admin\AppData\Roaming\Windows Startup\Sever Startup.exe"C:\Users\admin\AppData\Roaming\Windows Startup\Sever Startup.exe
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe
User:
admin
Company:
Meta
Integrity Level:
MEDIUM
Version:
2.1.2.4
Modules
Images
c:\users\admin\appdata\roaming\windows startup\sever startup.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\apphelp.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\sechost.dll
c:\windows\system32\rpcrt4.dll
Total events
555
Read events
553
Write events
2
Delete events
0

Modification events

(PID) Process:(3152) a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows Startup
Value:
"C:\Users\admin\AppData\Roaming\Windows Startup\Sever Startup.exe"
(PID) Process:(1684) Sever Startup.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:Windows Startup
Value:
"C:\Users\admin\AppData\Roaming\Windows Startup\Sever Startup.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3152a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exeC:\Users\admin\AppData\Roaming\Windows Startup\Sever Startup.exeexecutable
MD5:B29DE0D04753EC41025D33B6C305B91D
SHA256:A4CBE08B12CAF091CEC50234D9A2D54FFBBD308B4E3C76EF5394C21A35D0E043
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
60
DNS requests
7
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
440
svchost.exe
GET
200
2.16.164.49:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
440
svchost.exe
GET
200
88.221.169.152:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
4712
MoUsoCoreWorker.exe
GET
200
2.16.164.49:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
—
—
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
4712
MoUsoCoreWorker.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
192.168.100.255:137
—
—
—
whitelisted
440
svchost.exe
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
40.127.240.158:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
192.168.100.255:138
—
—
—
whitelisted
4712
MoUsoCoreWorker.exe
2.16.164.49:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
440
svchost.exe
2.16.164.49:80
crl.microsoft.com
Akamai International B.V.
NL
whitelisted
4712
MoUsoCoreWorker.exe
88.221.169.152:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
1684
Sever Startup.exe
148.163.102.170:4782
—
IOFLOOD
US
unknown
440
svchost.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 40.127.240.158
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.142
whitelisted
crl.microsoft.com
  • 2.16.164.49
  • 2.16.164.106
whitelisted
www.microsoft.com
  • 88.221.169.152
whitelisted
self.events.data.microsoft.com
  • 20.42.65.91
whitelisted

Threats

No threats detected
No debug info
Interactive malware hunting service ANY.RUN
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Reports
a4cbe08b12caf091cec50234d9a2d54ffbbd308b4e3c76ef5394c21a35d0e043.exe