MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbe3da3ca7ef71d66700647008807306e0829d6e683bee35fc7a9cac064d01a5. 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 13 File information Comments

SHA256 hash: cbe3da3ca7ef71d66700647008807306e0829d6e683bee35fc7a9cac064d01a5
SHA3-384 hash: 3db32fe58057e50bcffd07c0b3389e5211ed20ce6f62152a742158e72a1ac7c0778b5a4c6b408afe87d398cedd089112
SHA1 hash: 8c5dff3d1e0d789b84e18de646ee4fe6c9e3ccb5
MD5 hash: 97e23eaf693a294aa9f72598cc6a13eb
humanhash: carolina-missouri-bluebird-happy
File name:VC.exe
Download: download sample
Signature QuasarRAT
File size:514'048 bytes
First seen:2021-06-08 23:10:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:tTEgdc0YNX7IxUpGREWuHAEMA3W2+YyYtLGimiWfUS1cE1Ob8N9Jz8avcTR3O:tTEgdfYWxUtHxMW+YHG7ffF5UKcdO
Threatray 50 similar samples on MalwareBazaar
TLSH BDB45B8123FC862BE1AE577DE871142597F4F407A2A7EB4F4940B2E93C567429E807B3
Reporter Anonymous
Tags:exe QuasarRAT


Avatar
Anonymous
QuasarRAT
Retrieved from https://cdn.discordapp.com/attachments/847229826313486356/851958674875744266/VC.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/847229826313486356/851958674875744266/VC.exe
Verdict:
Malicious activity
Analysis date:
2021-06-08 23:27:24 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Using the Windows Management Instrumentation requests
Launching a process
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for analyzed file
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Connection attempt
Setting a keyboard event handler
DHCP request
Modifying a system file
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 431614 Sample: VC.exe Startdate: 09/06/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 5 other signatures 2->35 8 VC.exe 5 2->8         started        12 VC.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\Roaming\...\INVSee.exe, PE32 8->25 dropped 27 C:\Users\user\AppData\Local\...\VC.exe.log, ASCII 8->27 dropped 37 Detected unpacking (overwrites its own PE header) 8->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 8->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->41 14 INVSee.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        signatures5 process6 signatures7 43 Antivirus detection for dropped file 14->43 45 Multi AV Scanner detection for dropped file 14->45 47 Detected unpacking (overwrites its own PE header) 14->47 49 3 other signatures 14->49 19 schtasks.exe 1 14->19         started        21 conhost.exe 17->21         started        process8 process9 23 conhost.exe 19->23         started       
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2021-06-08 23:11:08 UTC
AV detection:
31 of 46 (67.39%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Quasar Payload
Quasar RAT
Unpacked files
SH256 hash:
cbe3da3ca7ef71d66700647008807306e0829d6e683bee35fc7a9cac064d01a5
MD5 hash:
97e23eaf693a294aa9f72598cc6a13eb
SHA1 hash:
8c5dff3d1e0d789b84e18de646ee4fe6c9e3ccb5
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:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

File information


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

Web download

QuasarRAT

Executable exe cbe3da3ca7ef71d66700647008807306e0829d6e683bee35fc7a9cac064d01a5

(this sample)

  
Delivery method
Distributed via web download

Comments