MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b507cc8ae7d2edc65f3c23cd89742d28c054eeea1a415dfe3f9ba9a427f33fc. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 5b507cc8ae7d2edc65f3c23cd89742d28c054eeea1a415dfe3f9ba9a427f33fc
SHA3-384 hash: 8e001c2ffca1bde929cee35765290bf099eca2d27db5ac5c34951fdc88e76fc7d618367ca32ba49658505314e6a30b5c
SHA1 hash: 3b10dffed7c56979424a5961fdd6908c9b8dbeba
MD5 hash: 878de853c35872f732c739eebc8afd62
humanhash: north-quiet-undress-six
File name:878de853c35872f732c739eebc8afd62.exe
Download: download sample
Signature QuasarRAT
File size:961'536 bytes
First seen:2022-12-10 08:59:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:jBIplkWnRSSdGUIfSzQv7yly+MH85mvVeVXpF8:dIplzRSX4QDylyrv4VZ
Threatray 437 similar samples on MalwareBazaar
TLSH T1E815018C765032DFC557D472CEA91CA8EB6574BB931B0547A02706EAEE0C89BCF590F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0763a5d2f85c2717 (5 x QuasarRAT, 2 x AveMariaRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 764601 Sample: hnNRr6XLcU.exe Startdate: 10/12/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 8 other signatures 2->56 10 hnNRr6XLcU.exe 1 2->10         started        14 hnNRr6XLcU.exe 2->14         started        process3 file4 40 C:\Users\user\AppData\...\hnNRr6XLcU.exe.log, ASCII 10->40 dropped 68 Detected unpacking (changes PE section rights) 10->68 70 May check the online IP address of the machine 10->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 10->72 16 hnNRr6XLcU.exe 15 4 10->16         started        74 Injects a PE file into a foreign processes 14->74 21 hnNRr6XLcU.exe 2 14->21         started        signatures5 process6 dnsIp7 42 ip-api.com 208.95.112.1, 49699, 49700, 80 TUT-ASUS United States 16->42 38 C:\Users\user\AppData\Roaming\rcv\rce.exe, PE32 16->38 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->58 23 rce.exe 1 16->23         started        26 schtasks.exe 1 16->26         started        file8 signatures9 process10 signatures11 60 Multi AV Scanner detection for dropped file 23->60 62 May check the online IP address of the machine 23->62 64 Machine Learning detection for dropped file 23->64 66 Injects a PE file into a foreign processes 23->66 28 rce.exe 14 2 23->28         started        32 conhost.exe 26->32         started        process12 dnsIp13 44 dnuocc.com 185.216.71.78, 49701, 49702, 49703 CLOUDCOMPUTINGDE Germany 28->44 46 192.168.2.1 unknown unknown 28->46 48 2 other IPs or domains 28->48 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->76 34 schtasks.exe 1 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Threat name:
ByteCode-MSIL.Trojan.RealProtectPENGSD
Status:
Malicious
First seen:
2022-12-08 15:40:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:roop persistence spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
f6af71b2ce139788d5fc7251de08ad6e58fa696ac07b996386544d50d8ad7a9b
MD5 hash:
7189f7043c41e75d361e1456fa6493c3
SHA1 hash:
9a51eddfa59faf93a1dc468fb35d007b9824c524
SH256 hash:
94a74a4a57519b2fd1a5d5fce6ce7615a6610d69152962b4a0c0f7c5df08b9b3
MD5 hash:
5c3e0e47f277ea6f8574fe5b91733050
SHA1 hash:
684758647e91f14b62838cb3072fada9f413d509
SH256 hash:
5b507cc8ae7d2edc65f3c23cd89742d28c054eeea1a415dfe3f9ba9a427f33fc
MD5 hash:
878de853c35872f732c739eebc8afd62
SHA1 hash:
3b10dffed7c56979424a5961fdd6908c9b8dbeba
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

QuasarRAT

Executable exe 5b507cc8ae7d2edc65f3c23cd89742d28c054eeea1a415dfe3f9ba9a427f33fc

(this sample)

  
Delivery method
Distributed via web download

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