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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6
SHA3-384 hash: 6920ad1755aec9ff2e0dfbdc8aa825746abbb81c84f2d189c037d97eb2ffc146c087e62b1ad4b2b618a8d4cca2c67ee9
SHA1 hash: 5893285d742bf851c34e16abda36dc6e68204a6d
MD5 hash: c535890a9798a9859ca7da457958fc82
humanhash: floor-iowa-lithium-solar
File name:INV PRIME.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:107'137 bytes
First seen:2025-11-08 16:47:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:kFEpDBB7vLMnERtRNSU+PcK8bgabAJL4E5z9vq:kFEBv66TK8b9bAGE5zo
TLSH T187A32D909D62293F09FA02EDEF5985DC45FE7319013970A96D6A13092C0197CB2BBDEF
Magika vba
Reporter abuse_ch
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/36558/
Detection(s):
SecuriteInfo.com.VBS.Obfus-145.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=690f742e30bacec888c9f08c
Tags:
obfuscate xtreme shell
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/690f741b45d0218fdf1ee7a7/reports/73a2430d-81a9-4693-b3f8-5513c3512cf9/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6
Verdict:
Malicious
File Type:
vbs
First seen:
2025-11-06T08:48:00Z UTC
Last seen:
2025-11-10T11:51:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb HEUR:Trojan.VBS.SAgent.gen
Link:
https://opentip.kaspersky.com/1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6/results?tab=lookup
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1810652
Signature
Early bird code injection technique detected
Encrypted powershell cmdline option found
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
Potential evasive VBS script found (sleep loop)
Queues an APC in another process (thread injection)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
VBScript performs obfuscated calls to suspicious functions
Writes or reads registry keys via WMI
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1810652 Sample: INV PRIME.vbs Startdate: 08/11/2025 Architecture: WINDOWS Score: 100 37 vidrofer.com.br 2->37 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected GuLoader 2->45 47 8 other signatures 2->47 9 powershell.exe 18 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 51 Early bird code injection technique detected 9->51 53 Writes to foreign memory regions 9->53 55 Found suspicious powershell code related to unpacking or dynamic code loading 9->55 63 2 other signatures 9->63 14 msiexec.exe 2 7 9->14         started        17 conhost.exe 9->17         started        57 VBScript performs obfuscated calls to suspicious functions 12->57 59 Suspicious powershell command line found 12->59 61 Wscript starts Powershell (via cmd or directly) 12->61 65 4 other signatures 12->65 19 powershell.exe 14 18 12->19         started        22 WmiPrvSE.exe 12->22         started        process6 dnsIp7 67 Obfuscated command line found 14->67 69 Maps a DLL or memory area into another process 14->69 24 cmd.exe 1 14->24         started        27 inpUAIJv1Ni.exe 14->27 injected 39 vidrofer.com.br 45.164.92.143, 49688, 49691, 80 DCVSERVICOSDELOCACAODEMAQUINASEEQUIPAMENTOSBR Brazil 19->39 71 Found suspicious powershell code related to unpacking or dynamic code loading 19->71 29 conhost.exe 19->29         started        signatures8 process9 signatures10 49 Obfuscated command line found 24->49 31 conhost.exe 24->31         started        33 reg.exe 1 1 24->33         started        35 rekeywiz.exe 27->35         started        process11
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/1c6ffce1cf786bfbdb5eb33d61f1db26da7e9ae52aef43266407abccc7cb20e6
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-11-06 12:40:54 UTC
File Type:
Text (VBS)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=drx7zyoppbv7xw26wm6wd4o3e3nh5gxfflxugjtea6v4zr6ledta._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/251108-van4na1rbj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Badlisted process makes network request
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:Cerberus
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique

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/36558/

Comments