File name:

test.exe

Full analysis: https://app.any.run/tasks/33bdb2af-eef3-470d-bdab-b56485f17c98
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: April 24, 2023, 09:24:19
OS: Windows 7 Professional Service Pack 1 (build: 7601, 32 bit)
Tags:
rat
quasar
evasion
Indicators:
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5:

20DC3318B08E2A3E218CBBC1137D58DE

SHA1:

4E08987691A15DDD7E121D59E2F727D7E49F07B6

SHA256:

CA5D7B21B6A9352CF32595A84BD106C3BB23D49394DBB72F4DFCB847F7FED104

SSDEEP:

24576:XJlh9bDPBUPwPyMNwIt5p0+rxO311i56UVPiZU:XJkY1NdI3hePiu

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 the executable file immediately after the start

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
    • QUASAR was detected

      • dllhost.exe (PID: 3456)
    • Application was dropped or rewritten from another process

      • dllhost.exe (PID: 3208)
      • RoyalHax Spammer v.3.5.exe (PID: 3264)
      • dllhost.exe (PID: 3456)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
    • Changes the autorun value in the registry

      • dllhost.exe (PID: 3208)
    • QUASAR detected by memory dumps

      • dllhost.exe (PID: 3208)
  • SUSPICIOUS

    • Reads the BIOS version

      • test.exe (PID: 3320)
    • The process checks if it is being run in the virtual environment

      • test.exe (PID: 3320)
    • Reads the Internet Settings

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
      • dllhost.exe (PID: 3208)
    • Executable content was dropped or overwritten

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
    • The process creates files with name similar to system file names

      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
    • Process drops legitimate windows executable

      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
    • Process downloads binary or script

      • dllhost.exe (PID: 3456)
    • Checks for external IP

      • dllhost.exe (PID: 3456)
      • dllhost.exe (PID: 3208)
    • Starts itself from another location

      • dllhost.exe (PID: 3456)
    • Connects to unusual port

      • dllhost.exe (PID: 3208)
  • INFO

    • Reads the computer name

      • test.exe (PID: 3320)
      • dllhost.exe (PID: 3456)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3208)
      • RoyalHax Spammer v.3.5.exe (PID: 3264)
    • The process checks LSA protection

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3456)
      • dllhost.exe (PID: 3208)
      • RoyalHax Spammer v.3.5.exe (PID: 3264)
    • Checks supported languages

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
      • dllhost.exe (PID: 3208)
      • dllhost.exe (PID: 3456)
      • RoyalHax Spammer v.3.5.exe (PID: 3264)
    • Drops a file that was compiled in debug mode

      • test.exe (PID: 3320)
    • Reads the machine GUID from the registry

      • test.exe (PID: 3320)
      • dllhost.exe (PID: 3456)
      • RoyalHax Spammer v.3.5.exe (PID: 3264)
      • dllhost.exe (PID: 3208)
    • Create files in a temporary directory

      • test.exe (PID: 3320)
      • RoyalHax Spammer v.3.5.exe (PID: 3676)
    • Creates files or folders in the user directory

      • dllhost.exe (PID: 3456)
      • dllhost.exe (PID: 3208)
    • Reads Environment values

      • dllhost.exe (PID: 3456)
      • dllhost.exe (PID: 3208)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win64 Executable (generic) (64.6)
.dll | Win32 Dynamic Link Library (generic) (15.4)
.exe | Win32 Executable (generic) (10.5)
.exe | Generic Win/DOS Executable (4.6)
.exe | DOS Executable Generic (4.6)

EXIF

EXE

AssemblyVersion: 0.0.0.0
ProductVersion: 0.0.0.0
OriginalFileName: dsadsadsa.exe
LegalCopyright:
InternalName: dsadsadsa.exe
FileVersion: 0.0.0.0
FileDescription:
CharacterSet: Unicode
LanguageCode: Neutral
FileSubtype: -
ObjectFileType: Executable application
FileOS: Win32
FileFlags: (none)
FileFlagsMask: 0x003f
ProductVersionNumber: 0.0.0.0
FileVersionNumber: 0.0.0.0
Subsystem: Windows GUI
SubsystemVersion: 4
ImageVersion: -
OSVersion: 4
EntryPoint: 0x2066fe
UninitializedDataSize: -
InitializedDataSize: 211968
CodeSize: 2115584
LinkerVersion: 11
PEType: PE32
ImageFileCharacteristics: Executable, 32-bit
TimeStamp: 2017:07:07 02:25:18+00:00
MachineType: Intel 386 or later, and compatibles

Summary

Architecture: IMAGE_FILE_MACHINE_I386
Subsystem: IMAGE_SUBSYSTEM_WINDOWS_GUI
Compilation Date: 07-Jul-2017 02:25:18
FileDescription: -
FileVersion: 0.0.0.0
InternalName: dsadsadsa.exe
LegalCopyright: -
OriginalFilename: dsadsadsa.exe
ProductVersion: 0.0.0.0
Assembly Version: 0.0.0.0

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: 07-Jul-2017 02:25:18
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
0x00204704
0x00204800
IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
3.75305
.rsrc
0x00208000
0x000338C8
0x00033A00
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ
3.28832
.reloc
0x0023C000
0x0000000C
0x00000200
IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ
0.0815394

Resources

Title
Entropy
Size
Codepage
Language
Type
1
5.00112
490
UNKNOWN
UNKNOWN
RT_MANIFEST
2
3.25925
209740
UNKNOWN
UNKNOWN
RT_ICON
32512
2.32322
20
UNKNOWN
UNKNOWN
RT_GROUP_ICON

Imports

mscoree.dll
No data.
screenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
41
Monitored processes
5
Malicious processes
4
Suspicious processes
1

Behavior graph

Click at the process to see the details
drop and start start drop and start drop and start drop and start test.exe royalhax spammer v.3.5.exe #QUASAR dllhost.exe #QUASAR dllhost.exe royalhax spammer v.3.5.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
3208"C:\Users\admin\AppData\Roaming\Windows\dllhost.exe"C:\Users\admin\AppData\Roaming\Windows\dllhost.exe
dllhost.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
10.0.14393.0
Modules
Images
c:\windows\system32\ntdll.dll
c:\users\admin\appdata\roaming\windows\dllhost.exe
c:\windows\system32\mscoree.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\kernel32.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
3264"C:\Users\admin\AppData\Local\Temp\RarSFX0\RoyalHax Spammer v.3.5.exe" C:\Users\admin\AppData\Local\Temp\RarSFX0\RoyalHax Spammer v.3.5.exeRoyalHax Spammer v.3.5.exe
User:
admin
Company:
Royal Spammer V.1 | CRACKED
Integrity Level:
MEDIUM
Description:
Royal Spammer V.1 | CRACKED
Exit code:
0
Version:
1.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\rarsfx0\royalhax spammer v.3.5.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
3320"C:\Users\admin\AppData\Local\Temp\test.exe" C:\Users\admin\AppData\Local\Temp\test.exe
explorer.exe
User:
admin
Integrity Level:
MEDIUM
Description:
Exit code:
0
Version:
0.0.0.0
Modules
Images
c:\users\admin\appdata\local\temp\test.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\microsoft.net\framework\v4.0.30319\mscoreei.dll
c:\windows\system32\rpcrt4.dll
3456"C:\Users\admin\AppData\Local\Temp\RarSFX0\dllhost.exe" C:\Users\admin\AppData\Local\Temp\RarSFX0\dllhost.exe
RoyalHax Spammer v.3.5.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
COM Surrogate
Exit code:
0
Version:
10.0.14393.0
Modules
Images
c:\users\admin\appdata\local\temp\rarsfx0\dllhost.exe
c:\windows\system32\ntdll.dll
c:\windows\system32\mscoree.dll
c:\windows\system32\kernel32.dll
c:\windows\system32\kernelbase.dll
c:\windows\system32\sechost.dll
c:\windows\system32\advapi32.dll
c:\windows\system32\msvcrt.dll
c:\windows\system32\rpcrt4.dll
c:\windows\microsoft.net\framework\v4.0.30319\mscoreei.dll
3676"C:\Users\admin\AppData\Local\Temp\RoyalHax Spammer v.3.5.exe" C:\Users\admin\AppData\Local\Temp\RoyalHax Spammer v.3.5.exe
test.exe
User:
admin
Integrity Level:
MEDIUM
Exit code:
0
Modules
Images
c:\users\admin\appdata\local\temp\royalhax spammer v.3.5.exe
c:\windows\system32\ntdll.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\system32\version.dll
c:\windows\system32\sfc_os.dll
Total events
5 038
Read events
5 004
Write events
34
Delete events
0

Modification events

(PID) Process:(3320) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3320) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3320) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3320) test.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3676) RoyalHax Spammer v.3.5.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:ProxyBypass
Value:
1
(PID) Process:(3676) RoyalHax Spammer v.3.5.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:IntranetName
Value:
1
(PID) Process:(3676) RoyalHax Spammer v.3.5.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:UNCAsIntranet
Value:
1
(PID) Process:(3676) RoyalHax Spammer v.3.5.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap
Operation:writeName:AutoDetect
Value:
0
(PID) Process:(3208) dllhost.exeKey:HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
Operation:writeName:COM Surrogate
Value:
"C:\Users\admin\AppData\Local\Temp\RarSFX0\dllhost.exe"
Executable files
8
Suspicious files
2
Text files
0
Unknown types
0

Dropped files

PID
Process
Filename
Type
3208dllhost.exeC:\Users\admin\AppData\Roaming\Windows Logs\04-24-2023binary
MD5:
SHA256:
3456dllhost.exeC:\Users\admin\AppData\Roaming\Windows\dllhost.exeexecutable
MD5:022DACC01026CABACEE08785C0D9D76C
SHA256:AA8AE2DA518A535B7C5D8D69A3183D703EAE52F739D87C1624A10A5DF8233420
3676RoyalHax Spammer v.3.5.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\dllhost.exeexecutable
MD5:022DACC01026CABACEE08785C0D9D76C
SHA256:AA8AE2DA518A535B7C5D8D69A3183D703EAE52F739D87C1624A10A5DF8233420
3676RoyalHax Spammer v.3.5.exeC:\Users\admin\AppData\Local\Temp\RarSFX0\RoyalHax Spammer v.3.5.exeexecutable
MD5:7E0295C5311710CD72F59CCBBC89B69B
SHA256:6B9EEC0710920313CD90F91018D01B8A42061A2D5E25B290F7E926F44562815C
3320test.exeC:\Users\admin\AppData\Local\Temp\RoyalHax Spammer v.3.5.exeexecutable
MD5:960F7620D85F5D7DFF8997A50958BA6B
SHA256:32DE74263337F6C5EA5C7E2B02C21C610C1079504D404CBF7F01342B31AFFF28
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
5
DNS requests
4
Threats
11

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
3456
dllhost.exe
GET
301
104.26.14.73:80
http://freegeoip.net/xml/
US
malicious
3456
dllhost.exe
GET
200
104.26.14.73:80
http://freegeoip.net/shutdown
US
html
1.00 Kb
malicious
3456
dllhost.exe
GET
200
173.231.16.77:80
http://api.ipify.org/
US
text
13 b
shared
3208
dllhost.exe
GET
200
208.95.112.1:80
http://ip-api.com/json/
unknown
binary
287 b
malicious
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
3456
dllhost.exe
208.95.112.1:80
ip-api.com
TUT-AS
US
malicious
208.95.112.1:80
ip-api.com
TUT-AS
US
malicious
3456
dllhost.exe
173.231.16.77:80
api.ipify.org
WEBNX
US
suspicious
3456
dllhost.exe
104.26.14.73:80
freegeoip.net
CLOUDFLARENET
US
shared
3208
dllhost.exe
81.22.255.145:1213
miseri.duckdns.org
Mediam Oy
FI
malicious

DNS requests

Domain
IP
Reputation
ip-api.com
  • 208.95.112.1
malicious
freegeoip.net
  • 104.26.14.73
  • 104.26.15.73
  • 172.67.75.176
malicious
api.ipify.org
  • 173.231.16.77
  • 104.237.62.211
  • 64.185.227.155
shared
miseri.duckdns.org
  • 81.22.255.145
malicious

Threats

PID
Process
Class
Message
Device Retrieving External IP Address Detected
ET INFO External IP Lookup Domain (freegeiop .net in DNS lookup)
3456
dllhost.exe
A Network Trojan was detected
ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 3
3456
dllhost.exe
A Network Trojan was detected
ET MALWARE W32/Quasar 1.3/Venom RAT Connectivity Check 2
3456
dllhost.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup api.ipify.org
3208
dllhost.exe
A Network Trojan was detected
ET MALWARE Common RAT Connectivity Check Observed
3208
dllhost.exe
Potential Corporate Privacy Violation
AV POLICY Internal Host Retrieving External IP Address (ip-api. com)
3208
dllhost.exe
Device Retrieving External IP Address Detected
ET POLICY External IP Lookup ip-api.com
Potentially Bad Traffic
ET INFO DYNAMIC_DNS Query to a *.duckdns .org Domain
Misc activity
ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
2 ETPRO signatures available at the full report
No debug info