MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930
SHA3-384 hash: f0d42b6179d822e0ad702a3a3a2e9d25eaa85a1b1645b587a8039e228f0569f9d4fc9eb5561b7e8c1598231bccd948de
SHA1 hash: 0fcb8ab6ef5a684c15008c3781b20ab10f6b3188
MD5 hash: 46ee13b4e8a0cd58784a6845e271a00e
humanhash: minnesota-robin-mars-apart
File name:46ee13b4e8a0cd58784a6845e271a00e.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2021-10-14 15:20:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:ITEgdc0YpebGbXOsA6j1Rdh1nXomOO0V05Etq2+yw4uUcEyOb8F9ja45YNcTR33:ITEgdfYxA6BXold4Pyw0Cps3cd3
Threatray 164 similar samples on MalwareBazaar
TLSH T1C7B45B8123FCC51BE1AE57BDE4B14821ABF4F407A6A7EB4F4940A1E92C567429E407F3
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/669185661462642720/897088210889482240/Client-built.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 11:49:01 UTC
Tags:
trojan rat quasar
Link:
https://app.any.run/tasks/f34a2ae0-3dff-458f-be3a-dc189c0dbde6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/197574/
Detection(s):
Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file in the %temp% directory
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware keylogger obfuscated packed quasarrat rat stealer
Link:
https://www.filescan.io/uploads/61684ae39fb4d8593d64f503/reports/7f745a2a-8308-492f-a775-2ebf188b4e38/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/49b9bba7-5e06-4f62-8e10-72339fa1efdb
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/870605
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 503032 Sample: Ff22K3qRL2.exe Startdate: 14/10/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 4 other signatures 2->49 10 Ff22K3qRL2.exe 5 2->10         started        14 Ff22K3qRL2.exe 2 2->14         started        process3 file4 31 C:\Users\user\AppData\Roaming\...\mga.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\...\Ff22K3qRL2.exe.log, ASCII 10->33 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 10->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->53 16 mga.exe 2 10->16         started        19 schtasks.exe 1 10->19         started        signatures5 process6 signatures7 35 Antivirus detection for dropped file 16->35 37 Multi AV Scanner detection for dropped file 16->37 39 Machine Learning detection for dropped file 16->39 41 2 other signatures 16->41 21 schtasks.exe 1 16->21         started        23 conhost.exe 19->23         started        process8 process9 25 conhost.exe 21->25         started        process10 27 MpCmdRun.exe 1 25->27         started        process11 29 conhost.exe 27->29         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-10-12 22:15:09 UTC
AV detection:
38 of 45 (84.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vifbrwwualym7plxncm6zzhmmqxukh4k2cxfux5ka2bl6hfcdeya._file
Verdict:
malicious
Similar samples:
04d4ebdb690749b84d74422ccbb583acc3180cbe3eb280b9ece53ef5eb3b3abf
QuasarRAT
06b4062db19ac0017c3f0e32f27559a48aa9c7305f110c3b8485d5faa62d6814
QuasarRAT
1230b290a583361b44a14b0ebf16925f07d7d6ed0d58ecae0bdd2419903d27b0
QuasarRAT
2c5d00f71931d80367ccae6bdd752ec56ab7647cc5312a0c7ddd24308ff9cc8e
QuasarRAT
3bdfd4cd7aacdefa4ab159a25b056056fd011b9ad60fc2166adbb41c5610b044
QuasarRAT
3fb8ef0e57d3cbad82483cba016a1380698f2efca89d80d29d2cfab35b5c5cce
QuasarRAT
85e13a72f67635d8590b1952332a37371f5f06400cedd60cd8c85415a051c031
QuasarRAT
a33be1069f51683e3ef5290bedad88f032df7b67fde8955bf2ad72b2f8d5e647
QuasarRAT
bb3fd1491065821de7cb1cd7cc282aafedc75119605c22ae6627477ffcba303b
QuasarRAT
d87630e6b220ba0ef5f93352c406ad4268445fc8f174e152131e1251d0a3d541
QuasarRAT
+ 154 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:user spyware trojan
Link:
https://tria.ge/reports/211014-srbhsaagak/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
104.248.133.59:5424
Unpacked files
SH256 hash:
aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930
MD5 hash:
46ee13b4e8a0cd58784a6845e271a00e
SHA1 hash:
0fcb8ab6ef5a684c15008c3781b20ab10f6b3188
Link:
https://www.unpac.me/results/1adfd128-e27a-4f30-a2d6-fc407aeda903/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/aa0a18dad402/report/overview.html
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/aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930

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_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
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 aa0a18dad402f0cfbd776899ece4ec642f451f8ad0ae5a5faa0682bf1ca21930

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1677169/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/197574/

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