MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0
SHA3-384 hash: 12390109cfddf9af39dcc23ebaf8086a6430206ba0162ac9f40b5e340c0e8ce663f6135f2cb5ad066a397baf8b71c521
SHA1 hash: d44cecfadb8bb63d3a77686e270941bab697ea18
MD5 hash: 1cb2b2c5af733a56b6086b92543d8cde
humanhash: batman-bravo-pasta-hotel
File name:1cb2b2c5af733a56b6086b92543d8cde.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:664'064 bytes
First seen:2021-08-04 06:16:43 UTC
Last seen:2021-08-04 07:21:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5e8MMp0ANlPh4SBUaXyZ+8CgCJJvYiq86g6jpL/xhgorZPIK:5WgZhFBUaZ8oJvYfs6jpbxp9IK
Threatray 104 similar samples on MalwareBazaar
TLSH T1DEE469908EDFDECEC26F223FA01A0D8614DEC7560797A6E58B464E34F7811239D661E3
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176241/
Detection(s):
SecuriteInfo.com.Trojan.MulDropNET.48.2535.14173.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Connection attempt to an infection source
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Result
Verdict:
UNKNOWN
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/86b6b46e-98f2-4d15-b545-984803345d27
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826662
Signature
.NET source code contains potential unpacker
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 459097 Sample: RqKnd55sTG.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 39 societyf500.ddns.net 2->39 41 con.microgent.ru 2->41 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Quasar RAT 2->51 53 3 other signatures 2->53 7 RqKnd55sTG.exe 1 7 2->7         started        11 NVC.exe 5 2->11         started        13 NVC.exe 2 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\RqKnd55sTG.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local29VC.exe, PE32 7->29 dropped 31 C:\Users\...\RqKnd55sTG.exe:Zone.Identifier, ASCII 7->31 dropped 37 2 other malicious files 7->37 dropped 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 15 RqKnd55sTG.exe 7->15         started        18 RqKnd55sTG.exe 2 7->18         started        33 C:\Users\user\AppData\Local\Temp33VC.exe, PE32 11->33 dropped 35 C:\Users\user\...35VC.exe:Zone.Identifier, ASCII 11->35 dropped 59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 NVC.exe 2 11->21         started        23 NVC.exe 13->23         started        25 NVC.exe 13->25         started        signatures6 process7 dnsIp8 43 con.microgent.ru 2.56.59.82, 49732, 49740, 49742 GBTCLOUDUS Netherlands 18->43 45 societyf500.ddns.net 37.238.146.18, 5590 EARTHLINK-ASIQ Iraq 18->45 63 Multi AV Scanner detection for dropped file 21->63 65 Machine Learning detection for dropped file 21->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->67 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0/
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 00:51:53 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5
QuasarRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
QuasarRAT
412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4
QuasarRAT
7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867
QuasarRAT
92e66be0b7c24b96cfa89154c5ddf622ef8cfdf189fd7653c794ec03635f731c
QuasarRAT
a484efc646ba0e97435959b7f4e87cf9a716d69623b13bc490a41e140dd296b7
QuasarRAT
c0eee6869cb1d1b6c8309151b45795b8866f7171b365dc29f7610cf385264239
QuasarRAT
db7466bbf831febaf1b2e31c8bb3ddad1be83792f30392ef2c43394545ec9d81
QuasarRAT
+ 94 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:cpu persistence spyware trojan
Link:
https://tria.ge/reports/210804-87p3fnzwfs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
con.microgent.ru:5590
societyf500.ddns.net:5590
Unpacked files
SH256 hash:
b16cfd4706ee4f57a7b8bad99322e7cd6d88b96b92460b58d9c567988f08bf1d
MD5 hash:
2d78d3564a8741ef2e43bae1943dde0d
SHA1 hash:
df889ab175b97b131b5bb7f7934e45e55ecfcbb7
Link:
https://www.unpac.me/results/f34f8411-30c2-4fae-8a7d-356c4e4f5bcd/
SH256 hash:
3d974b3abb5b99497eaf3194dab34f87de3964834e9ff9eba85e82a62d0f1506
MD5 hash:
3d3fecd974038ff44e4869c02d7cb7fd
SHA1 hash:
c591e2fc2a61524864daebbffb3ae8afaa386340
Link:
https://www.unpac.me/results/f34f8411-30c2-4fae-8a7d-356c4e4f5bcd/
SH256 hash:
cc0b802aef0fcae3311628423aaf623fc53899c9a2f2ab4ad1231895ef63dfc4
MD5 hash:
c35dacc56174051a34231d4f66f8ed82
SHA1 hash:
03ddbebe6de82470fea6bfb6d647f20aaf732f5e
Link:
https://www.unpac.me/results/f34f8411-30c2-4fae-8a7d-356c4e4f5bcd/
SH256 hash:
6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0
MD5 hash:
1cb2b2c5af733a56b6086b92543d8cde
SHA1 hash:
d44cecfadb8bb63d3a77686e270941bab697ea18
Link:
https://www.unpac.me/results/f34f8411-30c2-4fae-8a7d-356c4e4f5bcd/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

QuasarRAT

Executable exe 6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1394285/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/176241/

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