MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


QuasarRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments
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SHA256 hash: 300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6
SHA3-384 hash: 0efc7d5261204222feb43da1b75faca0f51449ada545a9382437666972731783260060f6032e97e32fd8fb7715620040
SHA1 hash: aba739da546e583fee77aa15b863b9d717cbbdfa
MD5 hash: 4dd0e1166551875cb05f7e0b527e9f3a
humanhash: yellow-vegan-failed-wolfram
File name:4dd0e1166551875cb05f7e0b527e9f3a.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'456'033 bytes
First seen:2023-09-05 05:22:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk
Threatray 59 similar samples on MalwareBazaar
TLSH T18B65E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
294
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4dd0e1166551875cb05f7e0b527e9f3a.exe
Verdict:
Malicious activity
Analysis date:
2023-09-05 05:26:55 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/9d0823b8-daee-47aa-b563-5e5a844933af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/446223/
Detection(s):
SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
DNS request
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd fingerprint greyware lolbin lolbin netsh nslookup overlay packed packed powershell replace setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/64f6bb39b7dd6394f710ef67/reports/024836ae-385d-4386-ab75-64ece6235c5a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/32ddfd0e-e2c2-4db5-9a9b-ff2a84b765fa
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303278
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops large PE files
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Uses nslookup.exe to query domains
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303278 Sample: 6ngjbpg3tk.exe Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 88 Found malware configuration 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 8 other signatures 2->94 10 6ngjbpg3tk.exe 12 2->10         started        13 ratt.exe 2->13         started        process3 file4 64 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 10->64 dropped 66 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 10->66 dropped 15 cmd.exe 3 10->15         started        process5 file6 70 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 15->70 dropped 80 Suspicious powershell command line found 15->80 82 Uses ping.exe to sleep 15->82 84 Uses cmd line tools excessively to alter registry or file data 15->84 86 5 other signatures 15->86 19 powershell.exe 19 15->19         started        22 powershell.exe 7 15->22         started        24 ratt.exe 15->24         started        26 9 other processes 15->26 signatures7 process8 file9 96 Uses cmd line tools excessively to alter registry or file data 19->96 29 ratt.exe 19->29         started        32 cmd.exe 19->32         started        34 cmd.exe 19->34         started        41 3 other processes 19->41 98 Uses netsh to modify the Windows network and firewall settings 22->98 100 Modifies the windows firewall 22->100 102 Antivirus detection for dropped file 24->102 104 Multi AV Scanner detection for dropped file 24->104 106 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->106 68 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 26->68 dropped 108 Uses nslookup.exe to query domains 26->108 110 Drops large PE files 26->110 36 nslookup.exe 1 26->36         started        39 WMIC.exe 1 26->39         started        signatures10 process11 dnsIp12 118 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->118 43 cmd.exe 29->43         started        46 cmd.exe 29->46         started        48 WMIC.exe 32->48         started        50 WMIC.exe 34->50         started        72 resolver1.opendns.com 36->72 74 myip.opendns.com 36->74 76 222.222.67.208.in-addr.arpa 36->76 120 May check the online IP address of the machine 36->120 signatures13 process14 signatures15 114 Uses ping.exe to sleep 43->114 116 Uses cmd line tools excessively to alter registry or file data 43->116 52 reg.exe 43->52         started        55 PING.EXE 43->55         started        58 conhost.exe 43->58         started        60 conhost.exe 46->60         started        62 PING.EXE 46->62         started        process16 dnsIp17 112 Creates an undocumented autostart registry key 52->112 78 127.0.0.1 unknown unknown 55->78 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2023-09-05 05:23:07 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gacrdq5jpjpjpvmsc56smjnvoez3ditgqvtsttdkw6cncdlb5p3a._file
Verdict:
malicious
Similar samples:
1ead164add4a39d1dea816fef36c153347edd9516554db804fd847ebdaad8688
QuasarRAT
2487094834dfcab7a6c088a1b19188ac66390eb688eb1f8ae290c9cc93b533e6
QuasarRAT
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
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80e2f3ab9f85cfd764db0792a05b2a77889457522bb3f6d9b5edfac8321843f8
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8169cd35ac84069d5e1e101dc22a6e9cb2fcaffa0c357972ad5fbbd5c3d7c8e0
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9c6ce2e75249843f2d6980efba7247338adcf40c6138fca7d0b923b4c8c283b5
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a19c210ee7c596691805243f45285d4150be354955b2133d87833d5e23bdfac0
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eed35820ffacfd922412343f51ac4ea22ea10e1391251b785f06af09d614b812
QuasarRAT
+ 49 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:- evasion persistence spyware trojan upx
Link:
https://tria.ge/reports/230905-f25hdsdh24/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
UPX packed file
Unexpected DNS network traffic destination
Modifies Windows Firewall
Modifies WinLogon for persistence
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
94.131.105.161:12344
Unpacked files
SH256 hash:
300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6
MD5 hash:
4dd0e1166551875cb05f7e0b527e9f3a
SHA1 hash:
aba739da546e583fee77aa15b863b9d717cbbdfa
Link:
https://www.unpac.me/results/4ee07e12-2e03-4288-856e-febf8cc855fe/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 300511c3a97a5e97d592177d2625b57133b1a266856729cc6ab784d10d61ebf6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2693711/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/446223/

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