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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e
SHA3-384 hash: 975b4ec07011475764f390a1b5890735efcf1f3f0b3fe4bac6f248e92af5d01037773aaf8f9a5d0eef886f8cf380adff
SHA1 hash: f99dc89dc409aa9ebe08e656bae9ec0a942473f3
MD5 hash: 567fabf02a45146989c5e352dc3ef8cc
humanhash: island-london-zulu-carpet
File name:inquiries_for_products.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:103'690 bytes
First seen:2025-12-15 08:31:55 UTC
Last seen:2025-12-15 10:42:24 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:nyTGBoI5IzKr8fM2balhTCdS3U++BDPoPCNhxSaw8ebueSZj9/DM:yi+I5IWrahalhTr3UTBDAP+SbHantM
TLSH T15AA33A25FE60011E0D6A2BAEEC6417A2D5BCC155053310BDFDDA139F500BDACA3BEA5B
Magika vba
Reporter lowmal3
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/44698/
Detection(s):
SecuriteInfo.com.VBS.Obfus-147.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693fc791838ad7e485397852
Tags:
xtreme shell sage
Verdict:
Suspicious
Labled as:
Trojan/VBS.GuLoader
Link:
https://www.hybrid-analysis.com/sample/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e
Verdict:
Malicious
File Type:
vbs
First seen:
2025-12-15T05:21:00Z UTC
Last seen:
2025-12-17T03:39:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e/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/1832807
Signature
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Obfuscated command line found
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
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: 1832807 Sample: inquiries_for_products.vbs Startdate: 15/12/2025 Architecture: WINDOWS Score: 100 26 coralasargetia.ro 2->26 36 Malicious sample detected (through community Yara rule) 2->36 38 Yara detected GuLoader 2->38 40 Yara detected Powershell decode and execute 2->40 42 5 other signatures 2->42 8 wscript.exe 1 2->8         started        11 powershell.exe 34 2->11         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 44 VBScript performs obfuscated calls to suspicious functions 8->44 46 Suspicious powershell command line found 8->46 48 Wscript starts Powershell (via cmd or directly) 8->48 56 2 other signatures 8->56 16 powershell.exe 14 28 8->16         started        50 Found suspicious powershell code related to unpacking or dynamic code loading 11->50 52 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 11->52 54 Loading BitLocker PowerShell Module 11->54 20 conhost.exe 11->20         started        28 127.0.0.1 unknown unknown 13->28 signatures6 process7 dnsIp8 24 coralasargetia.ro 81.180.138.230, 443, 49717 RCS-RDS73-75DrStaicoviciRO Romania 16->24 30 Found suspicious powershell code related to unpacking or dynamic code loading 16->30 32 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 16->32 34 Loading BitLocker PowerShell Module 16->34 22 conhost.exe 16->22         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e
Verdict:
inconclusive
YARA:
2 match(es)
Link:
https://app.malva.re/file/567fabf02a45146989c5e352dc3ef8cc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e
Threat name:
Script-WScript.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-12-15 08:32:17 UTC
File Type:
Text (VBS)
AV detection:
6 of 23 (26.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jz6uln5z7l3bh22jki27sfh3v4h4c4xxi23aqtajxxnvl3xnswha._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/251215-kfd6jatmfk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Badlisted process makes network request
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/4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e

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: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.

Malspam

GuLoader

Visual Basic Script (vbs) vbs 4e7d45b7b9faf613eb495235f914fbaf0fc172f746b6084c09bddb55eeed958e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44698/

Comments