MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a920f6bd5e8cf8734daa7aa6b0a79b3edc9725c436f5b6bdec9a7490792c8298. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a920f6bd5e8cf8734daa7aa6b0a79b3edc9725c436f5b6bdec9a7490792c8298
SHA3-384 hash: 105121ca25d92db4fb31e5f117a67020e2ae203c019ba680e65e325bf999452d298e019d5bfbb67c7a45bac6458cd898
SHA1 hash: cdaec3cbf830215c3a2336e4bcc4b074ccb347d8
MD5 hash: 2847c2ff7f535f391923b945d9626b4c
humanhash: nine-michigan-illinois-texas
File name:vDA3kFN2FlkBRNX.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'101'312 bytes
First seen:2020-09-14 20:21:56 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:a2E32pBB7xj6sRRA5Nrkk7h5UNK99DuARJ4UjAJ:a2q2asRR6ak5UoHDu04wAJ
Threatray 230 similar samples on MalwareBazaar
TLSH 9935125137CD5B66F2FA5BF61C3EB4001BB27E55AE51E28CCE9861CE2931F506A10B23
Reporter James_inthe_box
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Ispy
Create hunting rule
Link:
https://www.capesandbox.com/analysis/59628/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.63280.5685.659.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a global event handler for the keyboard
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/465860
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Injects a PE file into a foreign processes
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 submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a920f6bd5e8cf8734daa7aa6b0a79b3edc9725c436f5b6bdec9a7490792c8298/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-14 16:32:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=veqpnpk6rt4hgtnkpktlbj43h3ojojoeg323nppmtj2ja6jmqkma._file
Verdict:
suspicious
Similar samples:
05793491a0160fba57cf1219dd69f0c49a1fd9a43cafe0f78590c1e526f298c6
QuasarRAT
0f37a9b0557f5d1847706131ff01be3c3b5f9ea08956dd78910372dab214ec74
QuasarRAT
319394e63925320791b1cff1062f5e012adffcf93dc7286a9fd5eedfa42ddc0e
QuasarRAT
6d9aaf59f30c370edf5921da5c9085d00c826c01af55e8dde046b08b2573d8f2
QuasarRAT
7a960f3325dc0cea2f5b8e6567070ace6c848cba6b5851a97d4b066612964ee1
QuasarRAT
8bd39d451b99909467edb3df6618762071da426ee580108882e300cf8b21b0cb
QuasarRAT
9bf180bb7b3cc0fcc6d01b68e2aa82d2f853e081ec71e34942d875324a2415b4
QuasarRAT
a8da87f13cd07c47d1bf98a838edd704f01c2ba86a58b76a0982b6686c15626b
QuasarRAT
ad7d44ac220a79646260a35e5b3b74bf3af016a176998895e36015014c8a6a6c
QuasarRAT
dd652810ff0fc0288768ac20d5fcc76f7bc517c3ed8b066a18340a8b69c69c3a
QuasarRAT
+ 220 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/200914-dg5r1spaw2/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Looks up external IP address via web service
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Checks computer location settings
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a920f6bd5e8cf8734daa7aa6b0a79b3edc9725c436f5b6bdec9a7490792c8298

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:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/59628/

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