MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196
SHA3-384 hash: 755e7e5cbc42ca5489a014c88aff412db965bdace27b1510fb7ec81cca8d11324b87be2a7b0b03e99e4165fdec481608
SHA1 hash: 350f1ea223382e4c6077305b0b98d67bd2957523
MD5 hash: 4a75dfb6e66e76ee9851b544db3ff154
humanhash: social-fix-shade-queen
File name:4a75dfb6e66e76ee9851b544db3ff154.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:806'912 bytes
First seen:2021-01-08 17:29:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 318707357e37c87e623d4170020909d0 (1 x QuasarRAT)
ssdeep 12288:iVi+ll39XaO/5ayAkA3jEtB2B/LnhozFXER7yNtBP0wkrhQCVw8fFPAqBs6ZJwu3:C3DUWcxBjE3wWXEMJ55Uxy6Z6mQCO4
Threatray 211 similar samples on MalwareBazaar
TLSH 9205AF13F2E04873D167167D9CDB52B4982EBE1D3E38A9463BE41D4C4F3968139292AF
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
taokaenoi.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4a75dfb6e66e76ee9851b544db3ff154.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-08 17:32:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/19077a84-74a3-4c2e-9658-88c7a5142592

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/111060/
Detection(s):
Win.Malware.Generic-6672339-0
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Deleting a recently created file
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/576968
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
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)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Uses dynamic DNS services
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 dnsIp2 2 Behavior Graph ID: 337537 Sample: 9dqIdY6Rhg.exe Startdate: 08/01/2021 Architecture: WINDOWS Score: 100 83 ip-api.com 2->83 95 Malicious sample detected (through community Yara rule) 2->95 97 Antivirus / Scanner detection for submitted sample 2->97 99 Multi AV Scanner detection for submitted file 2->99 101 9 other signatures 2->101 11 9dqIdY6Rhg.exe 1 2->11         started        14 wscript.exe 1 2->14         started        16 9dqIdY6Rhg.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 signatures5 113 Detected unpacking (changes PE section rights) 11->113 115 Detected unpacking (creates a PE file in dynamic memory) 11->115 117 Detected unpacking (overwrites its own PE header) 11->117 123 2 other signatures 11->123 20 9dqIdY6Rhg.exe 15 5 11->20         started        25 9dqIdY6Rhg.exe 11->25         started        27 9dqIdY6Rhg.exe 1 14->27         started        119 Maps a DLL or memory area into another process 16->119 121 Sample uses process hollowing technique 16->121 29 Client.exe 18->29         started        process6 dnsIp7 85 ip-api.com 208.95.112.1, 49707, 49711, 49730 TUT-ASUS United States 20->85 79 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 20->79 dropped 81 C:\Users\user\AppData\...\9dqIdY6Rhg.exe.log, ASCII 20->81 dropped 103 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->103 31 Client.exe 1 20->31         started        34 schtasks.exe 1 20->34         started        36 9dqIdY6Rhg.exe 1 25->36         started        105 Maps a DLL or memory area into another process 27->105 38 9dqIdY6Rhg.exe 27->38         started        40 9dqIdY6Rhg.exe 27->40         started        file8 signatures9 process10 signatures11 133 Antivirus detection for dropped file 31->133 135 Multi AV Scanner detection for dropped file 31->135 137 Detected unpacking (changes PE section rights) 31->137 141 4 other signatures 31->141 42 Client.exe 15 6 31->42         started        46 Client.exe 31->46         started        48 conhost.exe 34->48         started        139 Maps a DLL or memory area into another process 36->139 50 9dqIdY6Rhg.exe 36->50         started        52 9dqIdY6Rhg.exe 36->52         started        54 9dqIdY6Rhg.exe 38->54         started        process12 dnsIp13 87 taokaenoi.ddns.net 42->87 89 ip-api.com 42->89 125 Hides that the sample has been downloaded from the Internet (zone.identifier) 42->125 127 Installs a global keyboard hook 42->127 56 cmd.exe 42->56         started        59 schtasks.exe 42->59         started        61 WerFault.exe 42->61         started        63 9dqIdY6Rhg.exe 50->63         started        129 Maps a DLL or memory area into another process 54->129 131 Sample uses process hollowing technique 54->131 signatures14 process15 signatures16 107 Uses ping.exe to sleep 56->107 65 Client.exe 56->65         started        69 conhost.exe 56->69         started        71 chcp.com 56->71         started        73 PING.EXE 56->73         started        75 conhost.exe 59->75         started        109 Maps a DLL or memory area into another process 63->109 111 Sample uses process hollowing technique 63->111 process17 file18 77 C:\Users\user\AppData\Roaming\...\corn.vbs, ASCII 65->77 dropped 91 Maps a DLL or memory area into another process 65->91 93 Sample uses process hollowing technique 65->93 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2018-09-04 01:39:09 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sipb6nvw2cozesl6ts5yqsi5qtm7az7spdu22rbbcc3w3sldmgla._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
hawkeyekeylogger
Create hunting rule
Similar samples:
092223938bed5fec479602f4bf2cb0fd28dd628e8754714047b0b7939cd2e298
QuasarRAT
23ed6ef7aec39fbc37b613e5ad3611a84ba1facc92489ed818dcc72bee129022
QuasarRAT
72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be
QuasarRAT
8fcf4d1528f2945b751c3d9035e17f7143fdbc94ef687f5c9e4e35d892c5922b
QuasarRAT
99a6c8e156dba4fda6e2b6ca0802cc08d49556b489e97618e565768329521413
QuasarRAT
a4e79d826cc13a421a5b3b785413d92254992bceb6d392c72de16b61653b346f
QuasarRAT
b31fb3832c2f366796fcc9165c60c58da5c866973377ab0d43f71586c461b8fb
QuasarRAT
b7823b23e2ef21045e77a01f2f34f86f387a607f4c1d949571c01c1fcdfd7fa1
QuasarRAT
ba9fd12aa57da28572f82eb2010a44b89a9cc1c9738f801fec02f44857163b8f
QuasarRAT
f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f
QuasarRAT
+ 201 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/210108-etfa7fh4d2/
Unpacked files
SH256 hash:
921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196
MD5 hash:
4a75dfb6e66e76ee9851b544db3ff154
SHA1 hash:
350f1ea223382e4c6077305b0b98d67bd2957523
Link:
https://www.unpac.me/results/e603ef3d-ea7e-44e7-a6af-300c0177d34f/
SH256 hash:
c8d85a03a12a16edb51ea1b8e3edf06cd936709b8cff0a4a66adabc8da5607d6
MD5 hash:
fcdadb9e562ef221d9634514c4146b92
SHA1 hash:
b132fb301319be079f7a8b93d055c17e33675ff0
Link:
https://www.unpac.me/results/e603ef3d-ea7e-44e7-a6af-300c0177d34f/
SH256 hash:
fea5322434aea0ef261b308d6ca79e73c643c08d32838e06de905299efb12a26
MD5 hash:
2c94317b11b22cf42aa45de7516bd3af
SHA1 hash:
b63e762ef9f60e9be076acc6634c6bf4e894ea03
Link:
https://www.unpac.me/results/e603ef3d-ea7e-44e7-a6af-300c0177d34f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lokibot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196

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:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
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.

Cape
Cape
https://www.capesandbox.com/analysis/111060/

Comments