MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b. 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


SparkRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 34 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b
SHA3-384 hash: 6ac293213229284da89553bf339a4636f909c68999d6abcda84244e9f280e6c3a9f2148fc00ea8235cbdea4d599641c6
SHA1 hash: 7d6ac274a89342161e22302fe646613335849179
MD5 hash: 5111bc694577dba13b0d59236906d46b
humanhash: golf-north-montana-winter
File name:033e826a544309e264b1772da6df3078.exe
Download: download sample
Signature SparkRAT
Create hunting rule
File size:22'440'980 bytes
First seen:2026-08-21 07:20:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (1'067 x Vidar, 327 x RemusStealer, 132 x Stealc)
ssdeep 196608:jfqiK8ECathFfGbc5PTCw6LPSv1CqfM+0Tg:jCSECuhlGQ5LCjLYbLJ
TLSH T1F3374B43E9A105E8C4ADD631C5669223BB727C485B3423D76F64FA293F76BC06BB9340
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe SparkRAT upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 8ac4a47609cd9b6e958e6107bc5b20dde037af7275caf9903adbe8c90a9e2b25
File size (compressed) :6'259'732 bytes
File size (de-compressed) :22'440'980 bytes
Format:win64/pe
Packed file: 8ac4a47609cd9b6e958e6107bc5b20dde037af7275caf9903adbe8c90a9e2b25

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection:
SparkRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82332/
Detection(s):
SecuriteInfo.com.Win64.Malware-gen.81425718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Creating a process with a hidden window
Creating a file
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the Windows subdirectories
Sending an HTTP GET request
Sending a UDP request
Launching a tool to kill processes
Enabling autorun for a service
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto golang overlay packed sparkrat
Link:
https://www.filescan.io/uploads/6a87fc6edd982ff9dac8eed4/reports/92bf48cb-e889-4cf8-8404-4f35fe7fecfa/overview
Verdict:
Malicious
Labled as:
Capa_reference_analysis_tools_strings
Link:
https://www.hybrid-analysis.com/sample/6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b
Result
Threat name:
Spark RAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1961610
Signature
Antivirus detection for URL or domain
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
Potential Privilege Escalation using Task Scheduler highest RunLevel
Self deletion via cmd or bat file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Schtasks Creation Or Modification With SYSTEM Privileges
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Spark RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1961610 Sample: 033e826a544309e264b1772da6d... Startdate: 21/08/2026 Architecture: WINDOWS Score: 100 66 my-service.eu.cc 2->66 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 7 other signatures 2->76 9 033e826a544309e264b1772da6df3078.exe 4 6 2->9         started        13 UpdateService.exe 2->13         started        16 cmd.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 60 C:\ProgramData\...\UpdateService.exe, PE32+ 9->60 dropped 62 C:\...\svc_cleanup_1787297989034292800.bat, DOS 9->62 dropped 64 C:\ProgramData\...\start_service.cmd, DOS 9->64 dropped 78 Self deletion via cmd or bat file 9->78 80 Uses schtasks.exe or at.exe to add and modify task schedules 9->80 82 Potential Privilege Escalation using Task Scheduler highest RunLevel 9->82 20 cmd.exe 1 9->20         started        22 taskkill.exe 1 9->22         started        24 cmd.exe 1 9->24         started        30 2 other processes 9->30 68 my-service.eu.cc 104.21.30.183, 49758, 49760, 49761 CLOUDFLARENET-CloudflareIncUS Canada 13->68 84 Multi AV Scanner detection for dropped file 13->84 26 UpdateService.exe 1 13->26         started        28 cmd.exe 1 13->28         started        32 7 other processes 13->32 34 2 other processes 16->34 36 4 other processes 18->36 file6 signatures7 process8 process9 38 cmd.exe 1 20->38         started        40 conhost.exe 20->40         started        42 conhost.exe 22->42         started        44 conhost.exe 24->44         started        46 cmd.exe 1 26->46         started        48 conhost.exe 28->48         started        50 conhost.exe 30->50         started        52 conhost.exe 30->52         started        54 7 other processes 32->54 process10 56 timeout.exe 1 38->56         started        58 conhost.exe 46->58         started       
Score:
65%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/5111bc694577dba13b0d59236906d46b
Gathering data
Threat name:
Win64.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-20 21:48:09 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 36 (36.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nvvisjih5lw75ehucdsojfypolam2fmb5tthm57omq6tukpouynq._file
Verdict:
suspicious
Label(s):
SparkRAT
Create hunting rule
Link:
https://reports.threatray.com/c8abae3d-402a-4909-8269-b6fb3e7de9d9
Result
Malware family:
sparkrat
Create hunting rule
Score:
  10/10
Tags:
family:sparkrat backdoor defense_evasion execution persistence
Link:
https://tria.ge/reports/260821-h6tb2aal4z/
Behaviour
Delays execution with timeout.exe
Kills process with taskkill
Modifies data under HKEY_USERS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes a command shell one-liner
Launches sc.exe
Executes dropped EXE
Family: Sparkrat
family_sparkrat
Malware family:
SparkRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d6a892507ea/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/6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b

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:backdoor_mul_sparkrat
Create hunting rule
Author:Sekoia.io
Description:Detect SparkRAT using string found in the source code
Reference:https://github.com/XZB-1248/Spark
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: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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_all_IPv6_variants
Create hunting rule
Author:Bierchermuesli
Description:Generic IPv6 catcher
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
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:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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:RemusStealer_GoPayload
Create hunting rule
Author:burger
Description:Detects RemusStealer Go-compiled payload
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:SparkRAT
Create hunting rule
Author:t-mtsmt
Description:SparkRAT Payload
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:Suspicious_Process
Create hunting rule
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_All_Windows_PE_Malware
Create hunting rule
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

The table below shows additional information about this malware sample such as delivery method and external references.

SparkRAT

Executable exe 8ac4a47609cd9b6e958e6107bc5b20dde037af7275caf9903adbe8c90a9e2b25

SparkRAT

Executable exe 6d6a892507eaedfe90f410e4e4970f72c0cd1581ece67677ee643d3a29eea61b

(this sample)

  
Dropped by
SHA256 8ac4a47609cd9b6e958e6107bc5b20dde037af7275caf9903adbe8c90a9e2b25
  
Dropped by
MD5 033e826a544309e264b1772da6df3078
Cape
Cape
https://www.capesandbox.com/analysis/82332/

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