MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225. 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: 17


Intelligence 17 IOCs YARA 25 File information Comments
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SHA256 hash: 0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
SHA3-384 hash: 8cbfa484ca9d767c047954076a406576d09e2a1948351b0a934c1da526942ab707bcbc1f9b428e47a296ba5911b5f670
SHA1 hash: d690f8ce17811b3c3a5d00e7b9743698ce8b89e0
MD5 hash: bf88f41d1be46f0855345b4b74beb44f
humanhash: echo-bacon-juliet-black
File name:xeC7cROikxmJ.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2023-10-19 00:04:22 UTC
Last seen:2023-10-19 00:07:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 6144:q2NHXf500M8oLdbUljPPpbxkL5K/qq2sus7vpdCoK:Jd507dbUlLjkkuNstdbK
Threatray 467 similar samples on MalwareBazaar
TLSH T1ED749E13B7A4E93BD5FE1B3AE43207055BB0D443BA16E38F5A5855B82E133868E507B3
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 pmelson
Tags:exe QuasarRAT VoidRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
420
Origin country :
US US
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
xeC7cROikxmJ.exe
Verdict:
Malicious activity
Analysis date:
2023-10-19 07:44:23 UTC
Tags:
rat quasar evasion
Link:
https://app.any.run/tasks/d333621b-047a-4adc-947c-3a3bd8a42a1e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9829635-0
Create hunting rule

Win.Trojan.Generic-9829636-0
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Win.Packed.Generic-9830106-0
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Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control crypto fingerprint infostealer keylogger lolbin packed quasar quasarrat rat replace schtasks shell32 stealer stealer vermin xrat
Link:
https://www.filescan.io/uploads/653072afcd0633254b84a2b5/reports/18684623-99cc-48a0-b866-eb10d132f759/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
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/252b072d-0c43-482e-90ef-854535f40e67
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
n/a
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1328415
Signature
Antivirus / Scanner detection for submitted sample
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-10-19 00:05:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 21 (90.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bkrltgyhe43kkiuqlsafaxul7nc7krpojvhvul6af64pcy5uiisq._file
Verdict:
malicious
Similar samples:
00c4b01417f71763724949ffb123875e62fb8e79ce17ae1ab224acb9261221c7
QuasarRAT
03507849f9ee5ca0a1722fdfd761d25e471050d228492f530ef0183d8a68aa7c
QuasarRAT
8bbf013e1a095f5841b572e0aadc6c3929533b2332620fa470fe5e744b828b91
QuasarRAT
baed3d0dbb532abea5eb01c8e65d9cd4e9eb789b901e2615f68ad9c097087e68
QuasarRAT
be4b01360068f60b192c4a2e1a4ebb3e49070887c9e98add3a71a3676f05b9ba
QuasarRAT
d8fadff5429d00e94828f23f7549ceacfce82d0d59947b2b77b45937ad2db363
QuasarRAT
+ 457 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:oct spyware trojan
Link:
https://tria.ge/reports/231019-ac622aea54/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
berlinqua.duckdns.org:9820
Unpacked files
SH256 hash:
0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225
MD5 hash:
bf88f41d1be46f0855345b4b74beb44f
SHA1 hash:
d690f8ce17811b3c3a5d00e7b9743698ce8b89e0
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/ea81816d-8816-43bb-9a42-9ba44c1d6e5b/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0aa2b99b0727/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
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_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_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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 (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:Quasar_RAT_2
Create hunting rule
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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 0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225

(this sample)

  
Link
https://www.virustotal.com/gui/file/0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225/detection
  
Delivery method
Distributed via web download

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