MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a
SHA3-384 hash: 0dbf3b6a2a77ff28df9adc5efe67610ba2e2ad5edda0988649fb2d85313e85c9257263ce08b17b03d242c357bc3b9be7
SHA1 hash: ebc4c036a30a003a399c6c1a6fd96fbd60cbbf35
MD5 hash: b5b0a0a082b9f9ed7e1216805dce73dc
humanhash: beryllium-hotel-zulu-arizona
File name:b5b0a0a082b9f9ed7e1216805dce73dc.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2023-01-07 15:38:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:ITEgdc0YYXAGbgiIN2RSBMUZz6wudTEDQK6DkQfocEgOb8F9vWlM3lBi0U3vLcTQ:ITEgdfYqbgjqDkwp9WCY0UfLcdm
Threatray 6'005 similar samples on MalwareBazaar
TLSH T118B46D4067F8862BE1AF577AE871042597F4F407B2ABEF4F4A40A1F92C667069D80773
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b5b0a0a082b9f9ed7e1216805dce73dc.exe
Verdict:
Malicious activity
Analysis date:
2023-01-07 15:40:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18a29054-1100-4eec-ba07-7c8c2e210aeb

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/350525/
Detection(s):
Win.Malware.Bulz-9823462-0
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
Creating a window
Сreating synchronization primitives
DNS request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm keylogger packed quasarrat rat shell32.dll stealer vermin
Link:
https://www.filescan.io/uploads/63b991dea66e2eb29737dfb2/reports/2ed9d3a8-c052-4d89-a16b-da3496984904/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ab3ddf35-762e-47a0-bf5d-c418fcc88a9f
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1147063
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 779795 Sample: Z5WY1aSK6o.exe Startdate: 07/01/2023 Architecture: WINDOWS Score: 100 73 xsaz3412.duckdns.org 2->73 89 Malicious sample detected (through community Yara rule) 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 5 other signatures 2->95 14 Z5WY1aSK6o.exe 5 2->14         started        signatures3 process4 dnsIp5 81 xsaz3412.duckdns.org 14->81 69 C:\Users\user\AppData\...\Z5WY1aSK6o.exe.log, CSV 14->69 dropped 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->83 19 cmd.exe 1 14->19         started        file6 signatures7 process8 signatures9 97 Uses ping.exe to sleep 19->97 99 Uses ping.exe to check the status of other devices and networks 19->99 22 Z5WY1aSK6o.exe 4 19->22         started        26 PING.EXE 1 19->26         started        28 conhost.exe 19->28         started        30 chcp.com 1 19->30         started        process10 dnsIp11 77 xsaz3412.duckdns.org 22->77 103 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->103 32 cmd.exe 1 22->32         started        79 192.168.2.1 unknown unknown 26->79 signatures12 process13 signatures14 85 Uses ping.exe to sleep 32->85 35 Z5WY1aSK6o.exe 4 32->35         started        39 conhost.exe 32->39         started        41 PING.EXE 1 32->41         started        43 chcp.com 1 32->43         started        process15 dnsIp16 75 xsaz3412.duckdns.org 35->75 101 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->101 45 cmd.exe 1 35->45         started        signatures17 process18 signatures19 107 Uses ping.exe to sleep 45->107 48 Z5WY1aSK6o.exe 4 45->48         started        52 conhost.exe 45->52         started        54 PING.EXE 1 45->54         started        56 chcp.com 1 45->56         started        process20 dnsIp21 71 xsaz3412.duckdns.org 48->71 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 48->87 58 cmd.exe 48->58         started        signatures22 process23 signatures24 105 Uses ping.exe to sleep 58->105 61 conhost.exe 58->61         started        63 chcp.com 58->63         started        65 PING.EXE 58->65         started        67 Z5WY1aSK6o.exe 58->67         started        process25
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-01-05 06:23:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
34 of 41 (82.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jbvhocniitxuuf3qfgnvdm552um4rca6ummqobnlpcihqcmy5bfa._file
Verdict:
malicious
Similar samples:
47289b55b4f6e59cbf9fdd1944eb47229179d50b6b8e236e88662859a2be9d9d
QuasarRAT
5ec6cce510d69c335c5be169b3919181d7c785d48759a89a2051cbadb522c337
QuasarRAT
5fef5781c5c186d27f9fd00b22d99423d39c487a8495b54ed3c64de3d94a51a7
QuasarRAT
d1ddf7808a1252a46a15a7f37c822811148e1363595d113506196138f7c866d4
QuasarRAT
d578e84710ae7aa7b442850b6ee9e3420b543602e5971acb5ccbf440f3c6c726
QuasarRAT
f36b01d5314702442aa02f34a90d1d2c6d5b444ae0f57c9ff01f0d979bd28a66
QuasarRAT
+ 5'995 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/230107-s23d9ahc5y/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
xsaz3412.duckdns.org:4782
Unpacked files
SH256 hash:
486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a
MD5 hash:
b5b0a0a082b9f9ed7e1216805dce73dc
SHA1 hash:
ebc4c036a30a003a399c6c1a6fd96fbd60cbbf35
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/d7bdd8de-4853-4ab0-8d7e-7df4b0f299e0/
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/486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a

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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/

File information

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

Web download

QuasarRAT

Executable exe 486a7709a844ef4a1770299b51b3bdd519c8881ea3190705ab7890780998e84a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2499041/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/350525/

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