MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc. 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: 20


Intelligence 20 IOCs 1 YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
SHA3-384 hash: 5e3ee7656df80e249ed9d16cf4aa2fc5781d375a5a21802e727f0d51c567d489829894b334a5ea152394e2a6bfc8ecf1
SHA1 hash: a55f66eaa4a8e846e84c9fdc9084558804b94439
MD5 hash: 2abd0ce7d596e81df79a3849c502a13c
humanhash: johnny-west-charlie-gee
File name:e2f723fe52e61403dc1f2c664f20697de255aa51db780.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'265'536 bytes
First seen:2025-08-09 03:30:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:yvXI22SsaNYfdPBldt698dBcjHn75O59YvJC0oGd/MTHHB72eh2NT:yvY22SsaNYfdPBldt6+dBcjHs9Gv
Threatray 1'273 similar samples on MalwareBazaar
TLSH T11EE55A143BF85E32E16BE2B3D5B0501663F1F82AF363EB1B6181667E1C93B505C416AB
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 abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
45.32.188.16:4782

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.32.188.16:4782 https://threatfox.abuse.ch/ioc/1566597/

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc.bin.exe
Verdict:
Malicious activity
Analysis date:
2025-08-09 03:13:42 UTC
Tags:
auto-reg quasar
Link:
https://app.any.run/tasks/318cfe24-fd98-4eb1-9a3b-004f239a4bb9

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/19827/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

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

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

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6896c1081e8a59ee04e7cafa
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
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated reconnaissance runonce schtasks stealer stealer tiger
Link:
https://www.filescan.io/uploads/6896c0f7397fd3ce6fa2ed7d/reports/c84906f3-ab16-48a8-8009-bd35727f44e2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46efc7a4-e07f-46a7-8713-2385ad76d6a4
Result
Threat name:
Quasar, AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1753529
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Quasar
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1753529 Sample: e2f723fe52e61403dc1f2c664f2... Startdate: 09/08/2025 Architecture: WINDOWS Score: 100 31 ipwho.is 2->31 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 7 other signatures 2->51 9 e2f723fe52e61403dc1f2c664f20697de255aa51db780.exe 5 2->9         started        13 Client.exe 3 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 9->27 dropped 29 e2f723fe52e61403dc...55aa51db780.exe.log, CSV 9->29 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 9->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->55 15 Client.exe 14 2 9->15         started        19 schtasks.exe 1 9->19         started        signatures6 process7 dnsIp8 33 45.32.188.16, 4782, 49714 AS-CHOOPAUS United States 15->33 35 ipwho.is 15.204.213.5, 443, 49718 HP-INTERNET-ASUS United States 15->35 37 Antivirus detection for dropped file 15->37 39 Multi AV Scanner detection for dropped file 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 43 Installs a global keyboard hook 15->43 21 schtasks.exe 1 15->21         started        23 conhost.exe 19->23         started        signatures9 process10 process11 25 conhost.exe 21->25         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/2abd0ce7d596e81df79a3849c502a13c
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-08-09 03:13:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4l3sh7ss4ykahxa7frte6idjpxrflksr3n4azrrvhpyo52zynx6a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
4bd736e9b854135e6c3f7f26d8666f7c227dfa111848ecf7ff769373cddeefd2
QuasarRAT
aa931ee4d177705b5f0c4bb52d73e83b29efc9eee5d07fbe27b7fcf106c7b467
QuasarRAT
afb24fab9c0b0f9e60d81bd7fd2d7999c842bf00b5bb9e0bf7347e36eacafad7
QuasarRAT
c509ea51e44a654f104ab9fb8e5d681a871159c73fcf3f666245e303387329b2
QuasarRAT
dbffa4624a220960c4b2f5aff0a3911e2f71f219fb5680e2eacf90b5dd067e46
QuasarRAT
e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
QuasarRAT
error
QuasarRAT
+ 1'263 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 execution persistence spyware trojan
Link:
https://tria.ge/reports/250809-d2216agj2x/
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:
45.32.188.16:4782
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/02f0ceb5-d366-48ea-b31f-f770ad683392
Unpacked files
SH256 hash:
e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc
MD5 hash:
2abd0ce7d596e81df79a3849c502a13c
SHA1 hash:
a55f66eaa4a8e846e84c9fdc9084558804b94439
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/cba8a588-d4eb-40b9-8c92-6a2b535e73bf/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e2f723fe52e6/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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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: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.

Web download

QuasarRAT

Executable exe e2f723fe52e61403dc1f2c664f20697de255aa51db780cc6353bf0eeeb386dfc

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/19827/
  
URLhaus
https://urlhaus.abuse.ch/url/3599463/
  
Delivery method
Distributed via web download

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