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File name:

monaco guck.exe

Full analysis: https://app.any.run/tasks/bc95b805-6321-4b5b-b1b6-db9b11a0c6fa
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: June 27, 2022, 10:50:51
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
quasar
evasion
trojan
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

C9730861A855C2360BC1C610874CDA86

SHA1:

221BF41D5A328C3690C8AD268CFB819CC7397FBA

SHA256:

90CA44F5D63436A70D023AE571F42C332D88BC468ADED2F9ACF3E9B84A6FB7AC

SSDEEP:

6144:MpNHXf500M8knHTWJbO2SbL1CafH60dcCVVFy2:8d50ZqJbFa1tH6nCVVFy2

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

    • Drops/Copies Quasar RAT executable

      • monaco guck.exe (PID: 2852)
    • Changes the autorun value in the registry

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
    • Drops executable file immediately after starts

      • monaco guck.exe (PID: 2852)
    • QUASAR detected by memory dumps

      • Client.exe (PID: 2064)
    • QUASAR was detected

      • Client.exe (PID: 2064)
  • SUSPICIOUS

    • Reads the computer name

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
    • Checks supported languages

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
    • Reads Environment values

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
    • Starts itself from another location

      • monaco guck.exe (PID: 2852)
    • Checks for external IP

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
    • Executable content was dropped or overwritten

      • monaco guck.exe (PID: 2852)
    • Drops a file with a compile date too recent

      • monaco guck.exe (PID: 2852)
    • Creates files in the user directory

      • monaco guck.exe (PID: 2852)
      • Client.exe (PID: 2064)
  • INFO

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

Quasar

(PID) Process(2064) Client.exe
Certificate
Signature
LogDirLogs
Tagwdadsa
Startupruntime brocker
MutexQSR_MUTEX_q2Tul7nBUKmd8SX6eg
Install_NameClient.exe
Sub_DirSubDir
C2 (2)niggahunter88-33934.portmap.io:33934
Version1.3.0.0
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: 1.3.0.0
ProductVersion: 1.3.0.0
ProductName: -
OriginalFileName: Client.exe
LegalTrademarks: -
LegalCopyright: -
InternalName: Client.exe
FileVersion: 1.3.0.0
FileDescription: -
CompanyName: -
Comments: -
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 1.3.0.0
FileVersionNumber: 1.3.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x581be
UninitializedDataSize: -
InitializedDataSize: 3072
CodeSize: 352768
LinkerVersion: 8
PEType: PE32
TimeStamp: 2022:06:27 12:21:54+02:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 27-Jun-2022 10:21:54
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: 27-Jun-2022 10:21:54
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
0x000561C4
0x00056200
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
6.44471
.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.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
35
Monitored processes
2
Malicious processes
2
Suspicious processes
0

Behavior graph

Click at the process to see the details
drop and start start monaco guck.exe #QUASAR client.exe

Process information

PID
CMD
Path
Indicators
Parent process
2852"C:\Users\admin\AppData\Local\Temp\monaco guck.exe" C:\Users\admin\AppData\Local\Temp\monaco guck.exe
Explorer.EXE
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Version:
1.3.0.0
Modules
Images
c:\users\admin\appdata\local\temp\monaco guck.exe
c:\windows\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
2064"C:\Users\admin\AppData\Roaming\SubDir\Client.exe"C:\Users\admin\AppData\Roaming\SubDir\Client.exe
monaco guck.exe
User:
admin
Integrity Level:
MEDIUM
Version:
1.3.0.0
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\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
Quasar
(PID) Process(2064) Client.exe
Certificate
Signature
LogDirLogs
Tagwdadsa
Startupruntime brocker
MutexQSR_MUTEX_q2Tul7nBUKmd8SX6eg
Install_NameClient.exe
Sub_DirSubDir
C2 (2)niggahunter88-33934.portmap.io:33934
Version1.3.0.0
Total events
1 040
Read events
1 014
Write events
26
Delete events
0

Modification events

(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:ConsoleTracingMask
Value:
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:MaxFileSize
Value:
1048576
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASAPI32
Operation:writeName:FileDirectory
Value:
%windir%\tracing
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASMANCS
Operation:writeName:EnableFileTracing
Value:
0
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASMANCS
Operation:writeName:EnableConsoleTracing
Value:
0
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASMANCS
Operation:writeName:FileTracingMask
Value:
(PID) Process:(2852) monaco guck.exeKey:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\monaco guck_RASMANCS
Operation:writeName:ConsoleTracingMask
Value:
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
2852monaco guck.exeC:\Users\admin\AppData\Roaming\SubDir\Client.exeexecutable
MD5:C9730861A855C2360BC1C610874CDA86
SHA256:90CA44F5D63436A70D023AE571F42C332D88BC468ADED2F9ACF3E9B84A6FB7AC
2064Client.exeC:\Users\admin\AppData\Roaming\Logs\06-27-2022binary
MD5:A4CD79B9E92D2FCADDF0E545EC8255DE
SHA256:001872DE7EF4E6D42FD2EC89F94A842D610435A02F5B4E19616B2B3D38ABAB7D
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
9
DNS requests
8
Threats
0

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
2064
Client.exe
GET
208.95.112.1:80
http://ip-api.com/json/
unknown
shared
2064
Client.exe
GET
301
172.67.75.176:80
http://freegeoip.net/xml/
US
shared
2064
Client.exe
GET
208.95.112.1:80
http://ip-api.com/json/
unknown
shared
2064
Client.exe
GET
200
172.67.75.176:80
http://freegeoip.net/shutdown
US
html
1.00 Kb
shared
2064
Client.exe
GET
200
54.91.59.199:80
http://api.ipify.org/
US
text
12 b
shared
2852
monaco guck.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
binary
285 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
2064
Client.exe
208.95.112.1:80
ip-api.com
IBURST
malicious
2852
monaco guck.exe
208.95.112.1:80
ip-api.com
IBURST
malicious
2064
Client.exe
172.67.75.176:80
freegeoip.net
US
malicious
2064
Client.exe
54.91.59.199:80
api.ipify.org
Amazon.com, Inc.
US
malicious
2064
Client.exe
193.161.193.99:33934
niggahunter88-33934.portmap.io
OOO Bitree Networks
RU
malicious

DNS requests

Domain
IP
Reputation
ip-api.com
  • 208.95.112.1
shared
freegeoip.net
  • 172.67.75.176
  • 104.26.14.73
  • 104.26.15.73
shared
api.ipify.org
  • 54.91.59.199
  • 52.20.78.240
  • 3.232.242.170
  • 3.220.57.224
shared
niggahunter88-33934.portmap.io
  • 193.161.193.99
malicious

Threats

PID
Process
Class
Message
2852
monaco guck.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2852
monaco guck.exe
A Network Trojan was detected
ET TROJAN Common RAT Connectivity Check Observed
2852
monaco guck.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
2064
Client.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2064
Client.exe
A Network Trojan was detected
ET TROJAN Common RAT Connectivity Check Observed
2064
Client.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
Potential Corporate Privacy Violation
ET POLICY DNS Query to a Reverse Proxy Service Observed
Potential Corporate Privacy Violation
ET POLICY DNS Query to a Reverse Proxy Service Observed
2064
Client.exe
Potential Corporate Privacy Violation
ET POLICY External IP Lookup ip-api.com
2064
Client.exe
A Network Trojan was detected
ET TROJAN Common RAT Connectivity Check Observed
4 ETPRO signatures available at the full report
No debug info