MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff
SHA3-384 hash: 7658d8a26f07ddec33480134a880af2d0be274f2f9bd00a0f0a4f329093dc5997333a0e8f55f2a553a6ce46661acd014
SHA1 hash: cccb459afbec7094cffe272cc0473bfa0c178f2f
MD5 hash: b20844901dbaab32b94e7020592279ca
humanhash: xray-crazy-sad-johnny
File name:msedge.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'639'744 bytes
First seen:2025-07-11 10:19:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 98304:Znce3KOctilejCxClqbXd4ivONaqGDwxMTXIqFE:9ce3KBye2ySN+xMTo
TLSH T11D26E8349AF77031CAE6C55B2B67A4B09B3DE35076387AD2C64537F42AB97420B1A334
TrID 67.7% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
11.9% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
4.0% (.EXE) Win64 Executable (generic) (10522/11/4)
2.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
dhash icon f0d4820ccecef4f8 (7 x AsyncRAT, 6 x XWorm, 5 x CoinMiner)
Reporter burger
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
22
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
msedge.exe
Verdict:
Malicious activity
Analysis date:
2025-07-09 08:29:39 UTC
Tags:
uac
Link:
https://app.any.run/tasks/7b28a58a-92a1-4762-be43-17310f453b1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/13856/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686e2872c9eb97473767d43c
Tags:
autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b948bbeb-5e06-4c86-b0c4-a6c443293c8e
Result
Threat name:
Quasar, Ramnit
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1733676
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
.Net Executable Fody/Costura Packer PE (Portable Executable) SOS: 0.40 Win 32 Exe x86
Link:
https://app.malva.re/file/b20844901dbaab32b94e7020592279ca
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-07-09 08:29:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jwteernbn5fjh5ox2n3cvxohtifzs75oqku4whobd7wbem2lzt7q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence
Link:
https://tria.ge/reports/250711-mc8l3scl8s/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Verdict:
Malicious
Tags:
Win.Malware.Generic-9883083-0
YARA:
n/a
Link:
https://app.threat.zone/submission/bdc0ab4c-195a-4d20-a695-a89c817d3cb4
Unpacked files
SH256 hash:
6185d78b8a0cade9e6a7eeb728d4194d8d60b30275827fef2f3842e9e4508676
MD5 hash:
f2e9a3062b992c95e02bdfcd77f1f8a6
SHA1 hash:
12cee4da129fe7056ddf1e58e026e2a2de754f45
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/5b668499-3ad2-4ed1-baab-4a1f759c0bb8/
Parent samples :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 hash:
810dda427acc47a57948e476ffd0aadb36e458b249c76b996361f630246d5053
MD5 hash:
e20a253d2476003d04a5e0a21728c9bd
SHA1 hash:
6a7c641e3039ea3a63b00dc51058a6425dc5c253
Link:
https://www.unpac.me/results/5b668499-3ad2-4ed1-baab-4a1f759c0bb8/
SH256 hash:
4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff
MD5 hash:
b20844901dbaab32b94e7020592279ca
SHA1 hash:
cccb459afbec7094cffe272cc0473bfa0c178f2f
Link:
https://www.unpac.me/results/5b668499-3ad2-4ed1-baab-4a1f759c0bb8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4da64245a16f4a93f5d7d3762addc79a0b997fae82a9cb1dc11fec12334bccff

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Costura_Protobuf
Create hunting rule
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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)

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/13856/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments