MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de
SHA3-384 hash: b99ddda53be4348f9edd10af0a8201122bea4a062c908df1acd81dcf5ac2af3e79ea3622f5e7db069a4b210bdbc107f7
SHA1 hash: bf28e4599dec373999760a4869a7c54f718477c9
MD5 hash: 4d64f683ef129c8493b2221bee721ffe
humanhash: bulldog-romeo-kitten-ink
File name:4d64f683ef129c8493b2221bee721ffe.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'015'505 bytes
First seen:2022-02-18 17:53:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 835f485ca718411734d873f35af1695e (4 x BitRAT, 3 x QuasarRAT, 2 x Matiex)
ssdeep 12288:/h7l38OKJBWkzfwS/M+2GtL9pEXBiXfHSeai10y:p58OgB5Ux89pEAH3
Threatray 297 similar samples on MalwareBazaar
TLSH T1E525F73E55582848F36680BDB9B18CFF0765BC1F406778B7A44CF88B19B77C26512B2A
File icon (PE):PE icon
dhash icon f0d4b2d1d8b0d0f0 (20 x BitRAT, 11 x AsyncRAT, 4 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/242580/
Detection(s):
Win.Malware.Generic-9897303-0
Create hunting rule

Win.Dropper.Malaz-9939293-0
Create hunting rule

SecuriteInfo.com.Trojan.KillProc2.16679.11810.24101.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/620fdd41a2660f3bb9fda11d/reports/9a8fb004-4607-45f7-b058-8a397b90c35b/overview
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/761358d1-e6e0-47fa-836e-bf1c85c252f6
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/942406
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
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
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 574884 Sample: rrjwV7deRP.exe Startdate: 18/02/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 2 other signatures 2->38 7 qd.exe 2->7         started        10 rrjwV7deRP.exe 1 2 2->10         started        13 qd.exe 2->13         started        process3 file4 40 Antivirus detection for dropped file 7->40 42 Multi AV Scanner detection for dropped file 7->42 44 Machine Learning detection for dropped file 7->44 15 RegAsm.exe 7->15         started        28 C:\Users\user\AppData\Roaming\qe\qd.exe, PE32 10->28 dropped 46 Writes to foreign memory regions 10->46 48 Allocates memory in foreign processes 10->48 50 Sample uses process hollowing technique 10->50 17 RegAsm.exe 10->17         started        52 Injects a PE file into a foreign processes 13->52 19 RegAsm.exe 13->19         started        signatures5 process6 process7 21 WerFault.exe 2 9 15->21         started        23 WerFault.exe 23 9 17->23         started        26 WerFault.exe 9 19->26         started        dnsIp8 30 192.168.2.1 unknown unknown 23->30
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-02-18 12:56:43 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqled2hhaslkkb7cgxalvhq4stcon6o6r4o5gnyvhddlccqk4hpa._file
Verdict:
malicious
Similar samples:
0eaa5bbea25ef06214bc21deab41eb7f5bdcdd4c24b0297a28607d30edf65ae1
QuasarRAT
189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3
QuasarRAT
66c0b3969424c37bc46498d8f51e9cd6c82ac5a66b50302fa1d13a4ac2d82e6d
QuasarRAT
695722bddb32724a102d8d12aca0ebc841c4944f52632c3ea595941a6e988759
QuasarRAT
6ff685e5acfd946101b558f9f9d47a0d515c62e7476f5f83694609d64343315e
QuasarRAT
99a6c8e156dba4fda6e2b6ca0802cc08d49556b489e97618e565768329521413
QuasarRAT
b2cc06da4ded75a02683e73536f3a0af671b55bc28c9a2627d7afdaac66b9e32
QuasarRAT
d478602bac8b8f334f06644dd92fbe60cbba6815ced96503c7aab4df6f305e77
QuasarRAT
e690896d7f40d40a1cdbeb6348a72207af6cd5e150d036a729760e23ac575816
QuasarRAT
e73cf978acde72a0ec094a6fe4302cd7e369624fe183057d01a1c47fd878324f
QuasarRAT
+ 287 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/220218-wgwmracgd6/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Suspicious use of NtCreateProcessExOtherParentProcess
Unpacked files
SH256 hash:
741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de
MD5 hash:
4d64f683ef129c8493b2221bee721ffe
SHA1 hash:
bf28e4599dec373999760a4869a7c54f718477c9
Link:
https://www.unpac.me/results/46310665-bb67-4fb6-8889-f622a67a11b5/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/741641e8e704/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.69
Link:
https://yomi.yoroi.company/submissions/741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de

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: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_1_RID2B54
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:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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.

Web download

QuasarRAT

Executable exe 741641e8e70496a507e235c0ba9e1c94c4e6f9de8f1dd3371538c6b10a0ae1de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1654373/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/242580/

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