MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a
SHA3-384 hash: 35ba17db78d8569dae10540cc0cc2bda58d68b05685b9dc79775db6ae9f07fe94f0c0b437fa9f18966ea9ff91ae1f882
SHA1 hash: a310ce6fa9f166f5d0179f1950c54f0fbaffcb6e
MD5 hash: 3e91bff88a3cd28109bb2463666fc537
humanhash: vermont-enemy-harry-video
File name:3e91bff88a3cd28109bb2463666fc537.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'443'632 bytes
First seen:2023-08-10 06:24:23 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 20 similar samples on MalwareBazaar
TLSH T1F465E04EFC022F55C331D87B0A8E9A203CAA12BF5F529F1772656987DF805C6B03566B
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 :
302
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3e91bff88a3cd28109bb2463666fc537.exe
Verdict:
Malicious activity
Analysis date:
2023-08-10 06:39:37 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/12d6c466-db19-4130-be73-40ad3f59d2e7

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/441883/
Detection(s):
SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Launching a process
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd fingerprint greyware lolbin lolbin netsh nslookup overlay packed packed powershell replace setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/64d482beeb483deb840cf353/reports/0d4c0120-f3b9-4cf7-b62b-b32fc37c70fd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a
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/90f331e1-c8dc-4643-bfbc-28f4aa4dec47
Result
Threat name:
DarkTortilla, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1289199
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the startup folder
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses netsh to modify the Windows network and firewall settings
Uses nslookup.exe to query domains
Yara detected DarkTortilla Crypter
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1289199 Sample: 0pcEfTe5FC.exe Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 67 Multi AV Scanner detection for domain / URL 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 5 other signatures 2->73 9 0pcEfTe5FC.exe 12 2->9         started        12 ratt.exe 2->12         started        process3 file4 45 C:\Users\user\AppData\Local\Temp\7z.exe, PE32 9->45 dropped 47 C:\Users\user\AppData\Local\Temp\7z.dll, PE32 9->47 dropped 15 cmd.exe 3 9->15         started        87 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->87 signatures5 process6 file7 51 C:\ProgramData\Microsoft\Windows\...\ratt.exe, PE32 15->51 dropped 59 Suspicious powershell command line found 15->59 61 Drops PE files to the startup folder 15->61 63 Uses nslookup.exe to query domains 15->63 65 Adds a directory exclusion to Windows Defender 15->65 19 ratt.exe 15->19         started        22 cmd.exe 1 15->22         started        24 powershell.exe 7 15->24         started        26 9 other processes 15->26 signatures8 process9 file10 75 Antivirus detection for dropped file 19->75 77 Multi AV Scanner detection for dropped file 19->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->79 81 Uses nslookup.exe to query domains 22->81 29 nslookup.exe 1 22->29         started        83 Uses netsh to modify the Windows network and firewall settings 24->83 85 Modifies the windows firewall 24->85 49 C:\Users\user\AppData\Local\Temp\ratt.exe, PE32 26->49 dropped 33 ratt.exe 26->33         started        35 cmd.exe 26->35         started        37 cmd.exe 26->37         started        39 4 other processes 26->39 signatures11 process12 dnsIp13 53 resolver1.opendns.com 29->53 55 myip.opendns.com 29->55 57 222.222.67.208.in-addr.arpa 29->57 89 May check the online IP address of the machine 29->89 91 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->91 41 WMIC.exe 35->41         started        43 WMIC.exe 37->43         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a/
Threat name:
Win32.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2023-08-09 09:58:36 UTC
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=enzqkfiuycfpezye3y2nda4hmmvxeac7bdjkykx7jnkwm3a6mf5a._file
Verdict:
malicious
Similar samples:
1ead164add4a39d1dea816fef36c153347edd9516554db804fd847ebdaad8688
QuasarRAT
295a185629cf9edf7bcdddd8cf1a68c95bb82f4debfad3f5540075feada42d85
QuasarRAT
3561b1eab2b650f0a714dc2da14bb751e03008a444dcc7dc1293eca7056727a2
QuasarRAT
3594486ee2019ce81554baa4f01ecbbef8d0d392dbf2d4866ac340b3b0623c5c
QuasarRAT
446394f68754ec8ef7d4aa622921b8a5fd77b0dbea23a1b39c366d905fac4489
QuasarRAT
5d95c10e8122a51e32257074a96464232e99923864532e6b6c4d2b245a7a852f
QuasarRAT
74f4632c70177bc53bd951fa37c1053796017b6b8a3d6d58a281fab70af7d3a3
QuasarRAT
80e2f3ab9f85cfd764db0792a05b2a77889457522bb3f6d9b5edfac8321843f8
QuasarRAT
b3232cf26bd9de37e2886331f76a75c0cce821858b71afe574c11ec942def210
QuasarRAT
beeb985707b6f8539ad51664530bfb507ca9f65d9c1e6e716ca95f5d7e13291b
QuasarRAT
+ 10 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/230810-g6l3aaae72/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
ACProtect 1.3x - 1.4x DLL software
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:
2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a
MD5 hash:
3e91bff88a3cd28109bb2463666fc537
SHA1 hash:
a310ce6fa9f166f5d0179f1950c54f0fbaffcb6e
Link:
https://www.unpac.me/results/9cbddcb2-5608-49b4-8252-06d8f99669f6/
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/2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a

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:DebuggerException__SetConsoleCtrl
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:maldoc_OLE_file_magic_number
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
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu

File information

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

Web download

QuasarRAT

Executable exe 2373051514c08af26704de34d18387632b72005f08d2ac2aff4b55666c1e617a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/441883/
  
URLhaus
https://urlhaus.abuse.ch/url/2693711/
  
Delivery method
Distributed via web download

Comments