MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7e478d6a0d15445645ef14a9ba15d8f68e5ad65614637d0d40660cbb7b4ab3d. 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: 8


Intelligence 8 IOCs YARA 11 File information Comments
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SHA256 hash: c7e478d6a0d15445645ef14a9ba15d8f68e5ad65614637d0d40660cbb7b4ab3d
SHA3-384 hash: c455c5d304e6a8a48b0b8e315836fcfd3b34d7cdd17db57239da917a2d6868e1b501d60f2d36fd77b91c73e502f3f2e5
SHA1 hash: 57b925ab3bb75cc6aa9b0fe30192574b0faaba9a
MD5 hash: 735dd7a8fea0fca06381cc61cf2619b7
humanhash: victor-jersey-maryland-vermont
File name:c7e478d6a0d15445645ef14a9ba15d8f68e5ad65614637d0d40660cbb7b4ab3d
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:467'456 bytes
First seen:2020-11-10 11:14:18 UTC
Last seen:2024-07-24 21:22:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:B6RsvFkwGcMsza1GM3J+qICBm1VN7IbrBEsYdbZeXCnwOz+4qt/+i7pIKSxG1o:KqukMszaM1P7OWToSRa4qjIKL1o
Threatray 108 similar samples on MalwareBazaar
TLSH 41A48D2167E8872FE6AF573AE072091557B0ED327716F38B4A5C91B9AC233418F416E3
Reporter seifreed
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Generic-6623004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Launching a process
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Creating a file
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:
Quasar
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/530092
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 314145 Sample: vbzLazDmry Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 7 vbzLazDmry.exe 15 6 2->7         started        11 vbzLazDmry.exe 3 2->11         started        process3 dnsIp4 39 ip-api.com 208.95.112.1, 49742, 80 TUT-ASUS United States 7->39 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->49 51 Installs a global keyboard hook 7->51 14 cmd.exe 1 7->14         started        17 WerFault.exe 23 9 7->17         started        20 schtasks.exe 1 7->20         started        35 C:\Users\user\AppData\...\vbzLazDmry.exe.log, ASCII 11->35 dropped file5 signatures6 process7 file8 53 Uses ping.exe to sleep 14->53 22 PING.EXE 1 14->22         started        25 vbzLazDmry.exe 2 14->25         started        27 conhost.exe 14->27         started        29 chcp.com 1 14->29         started        33 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 17->33 dropped 31 conhost.exe 20->31         started        signatures9 process10 dnsIp11 37 192.168.2.1 unknown unknown 22->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7e478d6a0d15445645ef14a9ba15d8f68e5ad65614637d0d40660cbb7b4ab3d/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 11:18:15 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y7shrvva2fkekzc66ffjxik5r5uolllfmfddpuguazqmxn5uvm6q._file
Verdict:
malicious
Similar samples:
1e2773c36054c3392f3e220d4c22cce63f31750c2ee6707198e4d15648f11897
QuasarRAT
5e74c2b7ac2d1ad593abac2e47d690a083bf96f1566901e58a5f59d221bc9853
QuasarRAT
703aadea111eae71a7dfb3f2c63c4522b4edd138033fef221295f74d3509e10a
QuasarRAT
7482b140488cd74ef0403293fac39ef04971a50072ab191dd84ec9471b2f0b25
QuasarRAT
758c9e9642b467c181548b07d7d47e32e2e37ce7298e0d89674fdbcbe13eb50e
QuasarRAT
7ed14885068667e9de2ede24522ab5e7bc2b02ed2f5953d590517921a3d77f4f
QuasarRAT
94b4df2a78e60f80472d518819e7383b09f20d18b270d60b99be31a4a12f7156
QuasarRAT
9e33fbfc975a81d62c7ec060a00a42fcdf5e84ba294be3f21d5307b79ddf9555
QuasarRAT
b46a76c6240983b927fa789dbfd5214bb513285da9205c52539736286346ddaf
QuasarRAT
e83d13fcdc0f133482d558c8ce25b45a491ba3aff13849ce8169f05bb4972f0d
QuasarRAT
+ 98 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/201110-kx83ayadta/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Looks up external IP address via web service
Quasar RAT
Unpacked files
SH256 hash:
c7e478d6a0d15445645ef14a9ba15d8f68e5ad65614637d0d40660cbb7b4ab3d
MD5 hash:
735dd7a8fea0fca06381cc61cf2619b7
SHA1 hash:
57b925ab3bb75cc6aa9b0fe30192574b0faaba9a
Link:
https://www.unpac.me/results/0701fa3e-47f2-4e84-a480-aed574a7351e/
SH256 hash:
0b8dc4f79c707f74aef01205fe33da757df425b862e914e400c9f795dac3e0a9
MD5 hash:
93594bdaae073c779c845cd5546155ba
SHA1 hash:
22a25f3d2eabf01d1b4aba1242cf5ae89f7435d0
Link:
https://www.unpac.me/results/0701fa3e-47f2-4e84-a480-aed574a7351e/
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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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:Quasar_RAT_2
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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information

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

  
Delivery method
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