File name:

BootstrapperV1.20.exe

Full analysis: https://app.any.run/tasks/f9118a28-9131-4ab8-b9dd-07da367be9d1
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: September 29, 2024, 12:03:34
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
quasar
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

D224DB65B950E94C4E62666C1CC12AF0

SHA1:

9654B1222A321BC908E117CEE75A951411664213

SHA256:

C70F12DD3565171D90FBDC95C64DA144F08EC1166ABA9E692DE7EBBE823E966D

SSDEEP:

49152:X+gGOhX02hD2nPiLq3A6770DODdl/rADxXhCk/3DgAFFtEhI/fsbWizqhLoGdP3M:V2nP6q3A6770DODdl/rADxRLDgnWB0

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

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)

    • QUASAR has been detected (YARA)

      • Client.exe (PID: 1116)

  • SUSPICIOUS

    • Starts itself from another location

      • BootstrapperV1.20.exe (PID: 5552)

    • Executable content was dropped or overwritten

      • BootstrapperV1.20.exe (PID: 5552)

    • Reads security settings of Internet Explorer

      • Client.exe (PID: 1116)

    • Connects to unusual port

      • Client.exe (PID: 1116)

  • INFO

    • Reads the computer name

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)

    • Creates files or folders in the user directory

      • BootstrapperV1.20.exe (PID: 5552)

    • Checks supported languages

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)

    • The process uses the downloaded file

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)

    • Reads the machine GUID from the registry

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)

    • Reads Environment values

      • BootstrapperV1.20.exe (PID: 5552)
      • Client.exe (PID: 1116)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report

Quasar

(PID) Process(1116) Client.exe
Version1.4.1
C2 (2)89.233.193.186:4782
Sub_DirSubDir
Install_NameClient.exe
Mutex785e4867-d8f5-4ec1-abf0-d128c3d5818c
Startupgoogle
TagOffice04
LogDirLogs
SignatureiwLgRwgp/NMOrhRTN8eHXLp6Sl94zG7npZmtYbXzcLSRQxSqlFLSXdJDhJVSYUy/LIAusY+HQbg9hlt+CLk9AdWJPp4+8GB78kAq4ysXL3VELtK7bgseTw/4YRgNubbhyzLFSVcwxdqk9AnvL+Ec/PgvEibk9WOczC6m1e1uRGMWRvhpstnnkVbmqEjHZjBfiwN0fqEnhwCNK8OAqDeH6LGwU/2K7IU8zD+K/LYJN6JKbP3aopHq3NqBKiNPsBxZ7CgAMIZdtBx0jHppW0nqD/A4i5s/UzY9GeTEjMbHcGZ1...
CertificateMIIE9DCCAtygAwIBAgIQALX2ZhG+BILzmSSsZ9o5BzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDkyNzA4MTgzN1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAi4Hs6cxC9J2wn4G9oXHN3/okS2IRL+Y7fGcjws7UYrUTFQIYLubJuVwN0eJ/Q0Mk4mXFPEvT...
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: 2023:03:12 16:16:39+00:00
ImageFileCharacteristics: Executable, 32-bit
PEType: PE32
LinkerVersion: 8
CodeSize: 3261952
InitializedDataSize: 3584
UninitializedDataSize: -
EntryPoint: 0x31e3fe
OSVersion: 4
ImageVersion: -
SubsystemVersion: 4
Subsystem: Windows GUI
FileVersionNumber: 1.4.1.0
ProductVersionNumber: 1.4.1.0
FileFlagsMask: 0x003f
FileFlags: (none)
FileOS: Win32
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: Neutral
CharacterSet: Unicode
Comments: -
CompanyName: -
FileDescription: Quasar Client
FileVersion: 1.4.1
InternalName: Client.exe
LegalCopyright: Copyright © MaxXor 2023
LegalTrademarks: -
OriginalFileName: Client.exe
ProductName: Quasar
ProductVersion: 1.4.1
AssemblyVersion: 1.4.1.0
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
123
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
start bootstrapperv1.20.exe #QUASAR client.exe

Process information

PID
CMD
Path
Indicators
Parent process
1116"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"C:\Users\admin\AppData\Roaming\SubDir\Client.exe
BootstrapperV1.20.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Version:
1.4.1
Modules
Images
c:\users\admin\appdata\roaming\subdir\client.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
Quasar
(PID) Process(1116) Client.exe
Version1.4.1
C2 (2)89.233.193.186:4782
Sub_DirSubDir
Install_NameClient.exe
Mutex785e4867-d8f5-4ec1-abf0-d128c3d5818c
Startupgoogle
TagOffice04
LogDirLogs
SignatureiwLgRwgp/NMOrhRTN8eHXLp6Sl94zG7npZmtYbXzcLSRQxSqlFLSXdJDhJVSYUy/LIAusY+HQbg9hlt+CLk9AdWJPp4+8GB78kAq4ysXL3VELtK7bgseTw/4YRgNubbhyzLFSVcwxdqk9AnvL+Ec/PgvEibk9WOczC6m1e1uRGMWRvhpstnnkVbmqEjHZjBfiwN0fqEnhwCNK8OAqDeH6LGwU/2K7IU8zD+K/LYJN6JKbP3aopHq3NqBKiNPsBxZ7CgAMIZdtBx0jHppW0nqD/A4i5s/UzY9GeTEjMbHcGZ1...
CertificateMIIE9DCCAtygAwIBAgIQALX2ZhG+BILzmSSsZ9o5BzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI0MDkyNzA4MTgzN1oYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAi4Hs6cxC9J2wn4G9oXHN3/okS2IRL+Y7fGcjws7UYrUTFQIYLubJuVwN0eJ/Q0Mk4mXFPEvT...
5552"C:\Users\admin\Desktop\BootstrapperV1.20.exe" C:\Users\admin\Desktop\BootstrapperV1.20.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Quasar Client
Exit code:
3
Version:
1.4.1
Modules
Images
c:\users\admin\desktop\bootstrapperv1.20.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
786
Read events
784
Write events
2
Delete events
0

Modification events

(PID) Process:(5552) BootstrapperV1.20.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:google
Value:
"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"
(PID) Process:(1116) Client.exeKey:HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:google
Value:
"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
5552BootstrapperV1.20.exeC:\Users\admin\AppData\Roaming\SubDir\Client.exeexecutable
MD5:D224DB65B950E94C4E62666C1CC12AF0
SHA256:C70F12DD3565171D90FBDC95C64DA144F08EC1166ABA9E692DE7EBBE823E966D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
27
DNS requests
5
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
6516
RUXIMICS.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
2120
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
—
—
whitelisted
2808
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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
2808
svchost.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
—
—
—
whitelisted
2120
MoUsoCoreWorker.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
6516
RUXIMICS.exe
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
3888
svchost.exe
239.255.255.250:1900
—
—
—
whitelisted
—
—
51.104.136.2:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
—
—
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:138
—
—
—
whitelisted
2808
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
6516
RUXIMICS.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.104.136.2
  • 4.231.128.59
  • 20.73.194.208
whitelisted
google.com
  • 142.250.186.142
whitelisted
www.microsoft.com
  • 184.30.21.171
whitelisted

Threats

No threats detected
No debug info
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Reports
BootstrapperV1.20.exe