MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 672d98cad4d5aab1bea0ab262b4f154bb877844a61e742416ac73ed723f1cb99. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 672d98cad4d5aab1bea0ab262b4f154bb877844a61e742416ac73ed723f1cb99
SHA3-384 hash: 657c505995ee262f238cabbacc9dfa7cf0db359e2f055df38177d845d459f9a673bc8080dd256e8a690f2a5b8d7e0d17
SHA1 hash: 4aa6cd3a2bc544ac7c21bdfe8edd5c16e8df81da
MD5 hash: 8fe1c1708afb3feff6898c9192fbfd6a
humanhash: alanine-oven-mars-shade
File name:215542554.vbs
Download: download sample
Signature QuasarRAT
File size:1'735 bytes
First seen:2021-11-16 06:49:22 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:uU+zAU9tmGttmGBFtmGXFf/2tmGnQbtmGttmGttmGH:u99gigKFg412gdgigigk
Threatray 254 similar samples on MalwareBazaar
TLSH T14F312934E71313510D4D0BBA0C668D8D812945BB0DB0B2ABEEAFEA694563F5CCA3A44D
Reporter abuse_ch
Tags:QuasarRAT vbs


Avatar
abuse_ch
Payload URL:
http://cordonhome.com/WORKS.jpg

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed powershell powershell
Result
Verdict:
SUSPICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Downloads files with wrong headers with respect to MIME Content-Type
Drops VBS files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Powershell drops PE file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Drops script at startup location
VBScript performs obfuscated calls to suspicious functions
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell download and execute
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 522600 Sample: 215542554.vbs Startdate: 16/11/2021 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected Powershell download and execute 2->54 56 5 other signatures 2->56 7 wscript.exe 8 2->7         started        11 wscript.exe 6 2->11         started        process3 file4 34 C:\Users\user\AppData\Roaming\...\OPD.vbs, ASCII 7->34 dropped 66 VBScript performs obfuscated calls to suspicious functions 7->66 68 Wscript starts Powershell (via cmd or directly) 7->68 70 Windows Shell Script Host drops VBS files 7->70 72 Drops VBS files to the startup folder 7->72 13 powershell.exe 14 17 7->13         started        18 powershell.exe 15 11->18         started        signatures5 process6 dnsIp7 46 cordonhome.com 185.151.30.179, 49754, 49769, 80 TWENTYIGB United Kingdom 13->46 48 192.168.2.1 unknown unknown 13->48 36 C:\Users\Public\Documents\WORKS.jpg, PE32 13->36 dropped 38 PowerShell_transcr....20211116075739.txt, UTF-8 13->38 dropped 74 Writes to foreign memory regions 13->74 76 Injects a PE file into a foreign processes 13->76 78 Powershell drops PE file 13->78 20 CasPol.exe 15 6 13->20         started        24 CasPol.exe 13->24         started        26 conhost.exe 13->26         started        32 3 other processes 13->32 40 PowerShell_transcr....20211116075814.txt, UTF-8 18->40 dropped 28 CasPol.exe 5 18->28         started        30 conhost.exe 18->30         started        file8 signatures9 process10 dnsIp11 42 ip-api.com 208.95.112.1, 49759, 80 TUT-ASUS United States 20->42 44 cordonhomeservices.com 35.232.191.196, 4782, 49762 GOOGLEUS United States 20->44 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->58 60 Installs a global keyboard hook 20->60 62 May check the online IP address of the machine 24->62 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 24->64 signatures12
Threat name:
Script-WScript.Trojan.Alien
Status:
Malicious
First seen:
2021-11-16 08:11:07 UTC
AV detection:
8 of 45 (17.78%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:0 spyware trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Blocklisted process makes network request
Downloads MZ/PE file
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
cordonhomeservices.com:4782
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

QuasarRAT

Visual Basic Script (vbs) vbs 672d98cad4d5aab1bea0ab262b4f154bb877844a61e742416ac73ed723f1cb99

(this sample)

  
Delivery method
Distributed via e-mail attachment

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