MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3. 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: 18


Intelligence 18 IOCs YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
SHA3-384 hash: 1ee57254bc72690cde67dd9a997618461fcc041cf39cb21d52a0099ad71c4ddbb8b23f85e2640c7b834b2157f15d0057
SHA1 hash: 7f6b26fceacd5961ba5d6765b04d6ce8bc3368c2
MD5 hash: 91fc160c3a2daa73e34828f3ea380060
humanhash: stream-alaska-march-india
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2025-11-23 00:05:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 6144:EN6bPXhLApfph5BS6kgOmbmOjMfeouxPYBNF0LsfOY+:wmhApzS6k3JgMfeoaPYfOLsfOY+
Threatray 758 similar samples on MalwareBazaar
TLSH T1D1749D1337A4EE3BD1FE1736E43206090BB0D4677616E38B5A6A55B92D133868E913F3
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Hexastrike
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39757/
Detection(s):
Win.Packed.Generic-9829635-0
Create hunting rule

Win.Packed.Generic-9830106-0
Create hunting rule

Win.Packed.QuasarRAT-10012744-0
Create hunting rule

Win.Trojan.Generic-6295765-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69226067140de26f6c2c66c2
Tags:
autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Creating a window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 byteguard fingerprint infostealer keylogger lolbin obfuscated obfuscated packed quasar quasarrat rat reconnaissance runonce stealer vbnet vermin xrat
Link:
https://www.filescan.io/uploads/69225a77f96b58f0dc806396/reports/c7007fac-0300-484a-9711-9dd5dbd289d1/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-11T06:36:00Z UTC
Last seen:
2025-11-15T10:56:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
Verdict:
QuasarRat
YARA:
16 match(es)
Tags:
.Net Executable Malicious Managed .NET PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.61 Win 32 Exe x86
Malware Config
C2 Extraction:
PORT: 160
CNC: 176.123.1.70
Link:
https://app.malva.re/file/91fc160c3a2daa73e34828f3ea380060
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-11-11 12:19:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjw7clj6esvwpo3a4v4xmqjtidfx25bb47gnre2tbqr7a2oc46rq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
268501cbc4704142a83673aab0b20dc7b8bf9221b70f0e7bbb42f072ed341e7a
QuasarRAT
4090ddde1d1ffb846bd2acf0e0f6b355ea151e0b38c33f029049ac6e93919043
QuasarRAT
8a5bee9f9a6511fcfef7bbdc1aa252c3f13894fff1296a6679b6e32d3df272d6
QuasarRAT
d42ac4e3da7e1aa7ae41d0547c0cdcf1e30300fb2ea96cea42bb1d43a5000b27
QuasarRAT
error
QuasarRAT
+ 748 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/251123-a7fhkasjer/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
176.123.1.70:1604
Verdict:
Malicious
Tags:
rat quasar_rat vermin Win.Packed.Generic-9829635-0 AZORult External_IP_Lookup VoidRat Qasar_Rat
YARA:
JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Quasar_RAT_2 Vermin_Keylogger_Jan18_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client
Link:
https://app.threat.zone/submission/42106ef7-4aa7-4c00-92db-7f55654553b8
Unpacked files
SH256 hash:
b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3
MD5 hash:
91fc160c3a2daa73e34828f3ea380060
SHA1 hash:
7f6b26fceacd5961ba5d6765b04d6ce8bc3368c2
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/5b906c68-eeda-4261-8558-03ce52f475a3/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b26df12d3e24/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/b26df12d3e24ab67bb60e57976413340cb7d7421e7ccd893530c23f069c2e7a3

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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 artifacts 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:pe_imphash
Create hunting rule
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:QuasarRAT
Create hunting rule
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
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
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
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
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
Create hunting rule
Description:Detects Quasar RAT
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

Cape
Cape
https://www.capesandbox.com/analysis/39757/

Comments