MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 57a285820956c77b8f6c8720ad8f2612d00012991d002b975cbb14310d481956. 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
| SHA256 hash: | 57a285820956c77b8f6c8720ad8f2612d00012991d002b975cbb14310d481956 |
|---|---|
| SHA3-384 hash: | 9260cc96b9387a55437612c140cbe2bb8d896e006ddea0bd7d96ae78f1798eb1c6c227171f38b0bcdd4052903455d3da |
| SHA1 hash: | 00ab771c5d4b97f2dfa907789da56bff1e43f986 |
| MD5 hash: | c0954a83168b4d5c453febb1247dbfe2 |
| humanhash: | bakerloo-gee-wyoming-six |
| File name: | SEM Gumpertz202201210-347.vbs |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 437'308 bytes |
| First seen: | 2023-10-12 11:27:00 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 6144:2EjeK3CqCKY1AhrLXjHdDQtGV8IGWTfjxix7mfzjNc2Y0ElZa5Ib/tem7FF+V:JeuCf1uCYVwqVzHk7KV |
| Threatray | 334 similar samples on MalwareBazaar |
| TLSH | T1A8945CB1EF98151A0C4B37EAEC414C81C5BDD1695927006AFEDD17CEA10B59CA3BEB0E |
| Reporter |  abuse_ch |
| Tags: | GuLoader vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
108
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
No Threat
Threat level:
2.5/10
Confidence:
100%
Verdict:
Malicious
Labled as:
Trojan.Script.Generic
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Encrypted powershell cmdline option found
Found suspicious powershell code related to unpacking or dynamic code loading
Hides that the sample has been downloaded from the Internet (zone.identifier)
Maps a DLL or memory area into another process
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
ASCII
Threat name:
Script-WScript.Trojan.Guloader
Status:
Suspicious
First seen:
2023-10-12 11:27:06 UTC
File Type:
Text (VBS)
AV detection:
8 of 22 (36.36%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 324 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Blocklisted process makes network request
Guloader,Cloudeye
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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