🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76. 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


GuLoader


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76
SHA3-384 hash: 18bc9d85867d7305b09d5a294f18352dc96003cc14fe7658411e277c55d98caf7d8ec4a7578e093bdc2c19ed44859882
SHA1 hash: 91c9f305bdead634287833286ae00c6cbc0d2308
MD5 hash: ed85049025cfc4b64d2fe8edbb0d138c
humanhash: robert-high-monkey-cold
File name:Chlorites.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:61'637 bytes
First seen:2026-09-07 01:33:44 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:W7KGo9Kji81ob4ZymuN86Y3L6Au1qkhI4wwD2QxP:AI9s/oMy/SN3L3u1qkGRwDtxP
TLSH T155536D20EE6401190E5B27A9DC147E52C5FEA2DA561714E1FFEAB30C440B59CB3BE22E
Magika vba
Reporter threatcat_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/84291/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye cmd lolbin
Link:
https://www.filescan.io/uploads/6a9e14928ea1d43891e22a95/reports/2abada81-fe79-4f97-9b13-57295467552e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76
Verdict:
Malicious
File Type:
vbs
First seen:
2026-09-06T21:39:00Z UTC
Last seen:
2026-09-08T23:34:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76/results?tab=lookup
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1969135
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to steal Internet Explorer form passwords
Detected Remcos RAT
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1969135 Sample: Chlorites.vbs Startdate: 07/09/2026 Architecture: WINDOWS Score: 100 42 drive.usercontent.google.com 2->42 44 drive.google.com 2->44 46 2 other IPs or domains 2->46 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected GuLoader 2->62 64 5 other signatures 2->64 10 wscript.exe 1 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 72 VBScript performs obfuscated calls to suspicious functions 10->72 74 Wscript starts Powershell (via cmd or directly) 10->74 76 Obfuscated command line found 10->76 78 3 other signatures 10->78 16 cmd.exe 1 10->16         started        54 127.0.0.1 unknown unknown 13->54 signatures6 process7 signatures8 56 Wscript starts Powershell (via cmd or directly) 16->56 19 powershell.exe 1 18 16->19         started        23 conhost.exe 16->23         started        25 cmd.exe 1 16->25         started        process9 dnsIp10 48 drive.usercontent.google.com 142.250.65.65, 443, 49701, 49717 GOOGLE-GoogleLLCUS United States 19->48 50 drive.google.com 142.251.211.110, 443, 49700, 49716 GOOGLE-GoogleLLCUS United States 19->50 66 Writes to foreign memory regions 19->66 68 Found suspicious powershell code related to unpacking or dynamic code loading 19->68 70 Switches to a custom stack to bypass stack traces 19->70 27 backgroundTaskHost.exe 4 12 19->27         started        32 backgroundTaskHost.exe 19->32         started        signatures11 process12 dnsIp13 52 91.92.41.94, 2404, 49718, 49719 SINOWORLDWIDEHK Bulgaria 27->52 36 C:\Users\user\AppData\...\Login Data.tmp, SQLite 27->36 dropped 38 C:\Users\user\AppData\...\Login Data.tmp, SQLite 27->38 dropped 40 C:\Users\user\...\Login Data For Account.tmp, SQLite 27->40 dropped 80 Detected Remcos RAT 27->80 82 Tries to harvest and steal browser information (history, passwords, etc) 27->82 34 backgroundTaskHost.exe 27->34         started        84 Contains functionality to steal Internet Explorer form passwords 32->84 86 Unusual module load detection (module proxying) 32->86 file14 signatures15 process16
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76
Verdict:
Malware
YARA:
1 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated SOS: 0.40 T1027 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/ed85049025cfc4b64d2fe8edbb0d138c
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76/
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2026-09-07 01:34:15 UTC
File Type:
Text (VBS)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=66itsmcnpzyzp77bxkyeihwm36vkfpinorpuytvicdwhzewlfz3a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection discovery downloader execution rat
Link:
https://tria.ge/reports/260907-by65lawerf/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Checks computer location settings
Badlisted process makes network request
Family: Guloader,Cloudeye
Family: Remcos
Malware Config
C2 Extraction:
91.92.41.94:2404
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/f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique
Rule name:Guloader_VBScript
Create hunting rule
Author:Ankit Anubhav - ankitanubhav.info
Description:Detects GuLoader/CloudEye VBScripts
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Malspam

GuLoader

Visual Basic Script (vbs) vbs f79139304d7e7197ffe1bab0441eccdfaaa2bd0d745f4c4ea810ec7c92cb2e76

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/84291/

Comments