MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119. 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: 15


Intelligence 15 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119
SHA3-384 hash: cf717e336576aa565220262620ca0dda54070ff360e077cdc797f8f95f015051000fbb18ff34f63043d51c55e999c5cc
SHA1 hash: 2c44970c94e5899afb95b7a77cb9003d9b5e31fa
MD5 hash: cae4409d8b36c442a10419796086c47f
humanhash: vermont-mountain-six-magazine
File name:payload.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:8'334'336 bytes
First seen:2025-04-12 11:17:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (92 x Rhadamanthys, 71 x Vidar, 41 x LummaStealer)
ssdeep 98304:smTqATBrnZvROpDVERD76PB8WVe6DmfcKLox0:smTqiBbZvQYRDeJZ9FK20
Threatray 5 similar samples on MalwareBazaar
TLSH T1B8868D07EC9159E9D1A9E230CAA29253BA71BC446B3227D32F90F3796F77BD059B5300
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter kafan_shengui
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
630
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
payload.exe
Verdict:
Malicious activity
Analysis date:
2025-04-12 10:55:29 UTC
Tags:
github evasion uac golang quasar
Link:
https://app.any.run/tasks/f479d646-a56a-493b-a1a7-8911b47a3a27

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/1978/
Detection(s):
SecuriteInfo.com.W64.Agent.TL.tr.3204.30150.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67fa46a2d6e7c3effad0ca9e
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Searching for synchronization primitives
Creating a file
Connection attempt to an infection source
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Adding an exclusion to Microsoft Defender
Changing the hosts file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto expand golang lolbin packed packed packer_detected
Link:
https://www.filescan.io/uploads/67fa4bf56258a97207fc7bdf/reports/f55aa9fd-f8a2-4705-9ac4-83bd157253f7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/dff99da3-4713-461d-8f08-b4787f60ecd3
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1663767
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Found Tor onion address
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs new ROOT certificates
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for submitted file
Mutes Antivirus updates and installments via hosts file black listing
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Uses ipconfig to lookup or modify the Windows network settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1663767 Sample: payload.exe Startdate: 12/04/2025 Architecture: WINDOWS Score: 100 53 go-dramatically.gl.at.ply.gg 2->53 55 raw.githubusercontent.com 2->55 57 ip-api.com 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 6 other signatures 2->77 9 payload.exe 14 8 2->9         started        14 payload.exe 5 2->14         started        signatures3 process4 dnsIp5 59 ip-api.com 208.95.112.1, 49715, 49720, 80 TUT-ASUS United States 9->59 61 raw.githubusercontent.com 185.199.111.133, 443, 49711, 49716 FASTLYUS Netherlands 9->61 47 C:\Users\user\AppData\Roaming\...\Client.exe, PE32+ 9->47 dropped 49 C:\Windows\System32\drivers\etc\hosts, ASCII 9->49 dropped 51 C:\Users\user\AppData\...\payload.exe.log, ASCII 9->51 dropped 79 Suspicious powershell command line found 9->79 81 Installs new ROOT certificates 9->81 83 Mutes Antivirus updates and installments via hosts file black listing 9->83 89 4 other signatures 9->89 16 Client.exe 14 4 9->16         started        19 powershell.exe 23 9->19         started        21 schtasks.exe 1 9->21         started        29 2 other processes 9->29 63 185.199.110.133, 443, 49718 FASTLYUS Netherlands 14->63 85 Found Tor onion address 14->85 87 Adds a directory exclusion to Windows Defender 14->87 23 powershell.exe 14->23         started        25 ipconfig.exe 14->25         started        27 conhost.exe 14->27         started        file6 signatures7 process8 signatures9 65 Found Tor onion address 16->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->67 31 schtasks.exe 16->31         started        33 conhost.exe 16->33         started        69 Loading BitLocker PowerShell Module 19->69 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        process10 process11 45 conhost.exe 31->45         started       
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-04-12 10:55:31 UTC
File Type:
PE+ (Exe)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rll5kadv6jklowaik4iyocxy64lsgrssmzrp2elu4sbvl53wuemq._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
venomrat
Create hunting rule
Similar samples:
2ad5f92a4343c98022639b0145e2b155198eef0d580aa5058fc0ba111d7f2c42
QuasarRAT
8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119
QuasarRAT
d6e13407ac268a19b632932beafee8e0273c56242f4bdd43afc729a42dade848
QuasarRAT
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:negrosis execution spyware trojan
Link:
https://tria.ge/reports/250412-nededsttbs/
Behaviour
Gathers network information
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Drops file in Drivers directory
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
go-dramatically.gl.at.ply.gg:2676
Verdict:
Malicious
Tags:
external_ip_lookup qasar_rat azorult voidrat
YARA:
n/a
Link:
https://app.threat.zone/submission/21a03011-a484-4eb2-bbac-348b7beac7c8
Unpacked files
SH256 hash:
8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119
MD5 hash:
cae4409d8b36c442a10419796086c47f
SHA1 hash:
2c44970c94e5899afb95b7a77cb9003d9b5e31fa
Link:
https://www.unpac.me/results/d5574fc5-f75f-41e8-ab81-47a6407beb2e/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ad7d50075f2/report/overview.html
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/8ad7d50075f254b758085711870af8f7172346526662fd1174e48355f776a119

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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/1978/

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
Reviews
IDCapabilitiesEvidence
DNS_METHODSPerforms DNS callsvendor/golang.org/x/net/dns/dnsmessage.(*nestedError).Error
vendor/golang.org/x/net/dns/dnsmessage.(*header).pack
vendor/golang.org/x/net/dns/dnsmessage.(*header).unpack
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).Start
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).resourceHeader
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).skipResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).Question
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).SkipQuestion
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).CNAMEResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).AResource
vendor/golang.org/x/net/dns/dnsmessage.(*Parser).AAAAResource
vendor/golang.org/x/net/dns/dnsmessage.NewBuilder
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).Question
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).OPTResource
vendor/golang.org/x/net/dns/dnsmessage.(*Builder).Finish
vendor/golang.org/x/net/dns/dnsmessage.(*ResourceHeader).pack
vendor/golang.org/x/net/dns/dnsmessage.(*ResourceHeader).unpack
vendor/golang.org/x/net/dns/dnsmessage.skipResource
vendor/golang.org/x/net/dns/dnsmessage.(*Name).pack
vendor/golang.org/x/net/dns/dnsmessage.(*Name).unpack
vendor/golang.org/x/net/dns/dnsmessage.(*Question).pack
vendor/golang.org/x/net/dns/dnsmessage.unpackCNAMEResource
vendor/golang.org/x/net/dns/dnsmessage.init
type:.eq.vendor/golang.org/x/net/dns/dnsmessage.nestedError
vendor/golang.org/x/net/dns/dnsmessage::inittask
vendor/golang.org/x/net/dns/dnsmessage.classNames
vendor/golang.org/x/net/dns/dnsmessage.rCodeNames
vendor/golang.org/x/net/dns/dnsmessage.ErrNotStarted
vendor/golang.org/x/net/dns/dnsmessage.ErrSectionDone
vendor/golang.org/x/net/dns/dnsmessage.errBaseLen
vendor/golang.org/x/net/dns/dnsmessage.errCalcLen
vendor/golang.org/x/net/dns/dnsmessage.errReserved
vendor/golang.org/x/net/dns/dnsmessage.errTooManyPtr
vendor/golang.org/x/net/dns/dnsmessage.errInvalidPtr
vendor/golang.org/x/net/dns/dnsmessage.errInvalidName
vendor/golang.org/x/net/dns/dnsmessage.errResourceLen
vendor/golang.org/x/net/dns/dnsmessage.errSegTooLong
vendor/golang.org/x/net/dns/dnsmessage.errNameTooLong
vendor/golang.org/x/net/dns/dnsmessage.errZeroSegLen
vendor/golang.org/x/net/dns/dnsmessage.errResTooLong
vendor/golang.org/x/net/dns/dnsmessage.errTooManyQuestions
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAnswers
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAuthorities
vendor/golang.org/x/net/dns/dnsmessage.errTooManyAdditionals
vendor/golang.org/x/net/dns/dnsmessage.errNonCanonicalName
vendor/golang.org/x/net/dns/dnsmessage.sectionNames
go:itab.*vendor/golang.org/x/net/dns/dnsmessage.nestedError
error
FILE_IO_READCan Read Filesio.ReadAll
os.OpenFile
os.openFileNolog
FILE_IO_WRITECan Create and Remove Filesos.newFile
os.newFileStatFromGetFileInformationByHandle
HTTP_CLIENT_METHODSInvokes HTTP servicenet/http.doubleCRLF
net/http.Header.sortedKeyValues
net/http.Header.writeSubset
net/http.Header.sortedKeyValues.func1
net/http.headerNewlineToSpace
net/http.headerSorterPool
HTTP_METHODSCan run an HTTP servervendor/golang.org/x/net/http2/hpack.init
vendor/golang.org/x/net/http2/hpack.init.func1
vendor/golang.org/x/net/http2/hpack.NewEncoder
vendor/golang.org/x/net/http2/hpack.(*Encoder).WriteField
vendor/golang.org/x/net/http2/hpack.(*Encoder).searchTable
vendor/golang.org/x/net/http2/hpack.(*Encoder).SetMaxDynamicTableSize
vendor/golang.org/x/net/http2/hpack.appendNewName
vendor/golang.org/x/net/http2/hpack.appendIndexedName
vendor/golang.org/x/net/http2/hpack.appendHpackString
vendor/golang.org/x/net/http2/hpack.DecodingError.Error
vendor/golang.org/x/net/http2/hpack.InvalidIndexError.Error
vendor/golang.org/x/net/http2/hpack.HeaderField.String
vendor/golang.org/x/net/http2/hpack.NewDecoder
vendor/golang.org/x/net/http2/hpack.(*Decoder).SetEmitFunc
vendor/golang.org/x/net/http2/hpack.(*dynamicTable).add
vendor/golang.org/x/net/http2/hpack.(*dynamicTable).evict
vendor/golang.org/x/net/http2/hpack.(*Decoder).Close
vendor/golang.org/x/net/http2/hpack.(*Decoder).Write
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseHeaderFieldRepr
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseFieldIndexed
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseFieldLiteral
vendor/golang.org/x/net/http2/hpack.(*Decoder).callEmit
vendor/golang.org/x/net/http2/hpack.(*Decoder).parseDynamicTableSizeUpdate
vendor/golang.org/x/net/http2/hpack.readVarInt
vendor/golang.org/x/net/http2/hpack.(*Decoder).readString
vendor/golang.org/x/net/http2/hpack.(*Decoder).decodeString
vendor/golang.org/x/net/http2/hpack.huffmanDecode
vendor/golang.org/x/net/http2/hpack.buildRootHuffmanNode
vendor/golang.org/x/net/http2/hpack.AppendHuffmanString
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).evictOldest
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).search
vendor/golang.org/x/net/http2/hpack.(*headerFieldTable).idToIndex
vendor/golang.org/x/net/http2/hpack.(*DecodingError).Error
vendor/golang.org/x/net/http2/hpack.(*HeaderField).String
vendor/golang.org/x/net/http2/hpack.(*InvalidIndexError).Error
type:.eq.vendor/golang.org/x/net/http2/hpack.HeaderField
type:.eq.vendor/golang.org/x/net/http2/hpack.pairNameValue
type:.hash.vendor/golang.org/x/net/http2/hpack.pairNameValue
vendor/golang.org/x/net/http2/hpack::inittask
vendor/golang.org/x/net/http2/hpack.ErrStringLength
vendor/golang.org/x/net/http2/hpack.errNeedMore
vendor/golang.org/x/net/http2/hpack.errVarintOverflow
vendor/golang.org/x/net/http2/hpack.bufPool
vendor/golang.org/x/net/http2/hpack.ErrInvalidHuffman
vendor/golang.org/x/net/http2/hpack.buildRootOnce
vendor/golang.org/x/net/http2/hpack.lazyRootHuffmanNode
vendor/golang.org/x/net/http2/hpack.staticTable
vendor/golang.org/x/net/http2/hpack.huffmanCodes
vendor/golang.org/x/net/http2/hpack.huffmanCodeLen
go:itab.vendor/golang.org/x/net/http2/hpack.DecodingError
error
go:itab.vendor/golang.org/x/net/http2/hpack.InvalidIndexError
error
NET_METHODSUses Network to send and receive datasyscall.Bind
net.lookupPortMap
net.lookupPortMapWithNetwork
net.ParseCIDR
net.DialUDP
net.readHosts
net.readHosts.deferwrap1
SYSCALL_METHODSCan perform system-level operationssyscall.Listen
syscall.Open
WEAK_CRYPTOUses Weak Cryptographic Algorithmscrypto/md5.init.0
crypto/md5.(*digest).Reset
crypto/md5.(*digest).MarshalBinary
crypto/md5.(*digest).UnmarshalBinary
crypto/md5.New
crypto/md5.(*digest).Size
crypto/md5.(*digest).BlockSize
crypto/md5.(*digest).Write
crypto/md5.(*digest).Sum
crypto/md5.(*digest).checkSum
crypto/md5.block.abi0
crypto/md5::inittask
go:itab.*crypto/md5.digest
hash.Hash
ZIP_METHODSCan perform Zip archive operationscompress/flate.NewReader

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