MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5. 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: 16


Intelligence 16 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5
SHA3-384 hash: f54c16e6ae3b3aaab67f8448a6e859a4e4f11bb9ea31e18d54a5bdc95f06d249cd67cfc7fd1efd3301bb7c8070ee02fc
SHA1 hash: 9104c8ea330912069cf7ff4bd2643a0d55ce8782
MD5 hash: d136ab1f81383919380c7f894f239c4a
humanhash: early-ack-mango-alabama
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'048 bytes
First seen:2025-11-23 00:04:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:vvkgo2QSaNpzyPllgamb0CZof/JDfP3kCjLLoG9DgTHHB72eh2NT:vvFo2QSaNpzyPllgamYCZof/JDfP1X
TLSH T1A8E55B0477F85E33E1BAE27395B0441667F0FC2AB3A3E71B6191677E1C53B4098426AB
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 :
18
Origin country :
IE IE
Vendor Threat Intelligence
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39745/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

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

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6922600e140de26f6c2c664a
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
DNS request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 infostealer obfuscated obfuscated quasar quasarrat reconnaissance stealer
Link:
https://www.filescan.io/uploads/69225a275d3feebe12d7d9ad/reports/c7bb7351-76f4-403f-90d8-b6333ab41340/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T14:07:00Z UTC
Last seen:
2025-10-30T07:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5/results?tab=lookup
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5
Verdict:
inconclusive
YARA:
13 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/d136ab1f81383919380c7f894f239c4a
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-07-25 03:16:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vzsb7giu77rhgoiwbctjc6qjmp3q6p4xxdn32dhjrglxhf2kxxsq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:code execution persistence spyware trojan
Link:
https://tria.ge/reports/251123-a6r5zawkgv/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
twart.myfirewall.org:9792
rency.ydns.eu:5287
wqo9.firewall-gateway.de:8841
code1.ydns.eu:5287
wqo9.firewall-gateway.de:9792
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/21b00e3b-8b52-4df8-8b2d-a50e1fc4231d
Unpacked files
SH256 hash:
ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5
MD5 hash:
d136ab1f81383919380c7f894f239c4a
SHA1 hash:
9104c8ea330912069cf7ff4bd2643a0d55ce8782
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
win_quasarrat_j2
Create hunting rule
win_quasar_rat_client
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
Link:
https://www.unpac.me/results/c118dea9-f348-4030-b4b7-f40444ee612d/
Parent samples :
2234c3a3350dbeba11b7564dc52d5aa1252777f9ffe8dcf4027dcb54fc4542aa
1787fd4fd81dca24ca10625e93d43168eea906184da17183ba53a306856c0f28
68fe78c0a8961da3a1121f95ebe63003c9a7c359edf68542d971d92632357422
3bee4d2ab33ac3f0605136f09cba556140d62ce9a0c1bdb1639159b43ae58943
b35f831b82f4648f91b37d8b8799cb26d30b069a52cf12e14ba9b4c06e8fb571
ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ae641f9914ff/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/ae641f9914ffe273391608a6917a0963f70f3f97b8dbbd0ce9899773974abde5

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:Windows_Generic_Threat_803feff4
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.

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/39745/

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