MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f9848905c5473c48e38bcdbc8c7b3db842df955719d9f8f2a79ef5c7559efa1d. 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: 6
| SHA256 hash: | f9848905c5473c48e38bcdbc8c7b3db842df955719d9f8f2a79ef5c7559efa1d |
|---|---|
| SHA3-384 hash: | 75d05fd6414b1c0f07e024c73e00b3b4c25f7cd185152dc6a565af614e8522acf89a14ad5f5903b631097a02f895b1ad |
| SHA1 hash: | 990d386df897f233de2c103468d513a6741ca129 |
| MD5 hash: | 58d7e0130772eba6f44a9e06748e2465 |
| humanhash: | april-johnny-muppet-coffee |
| File name: | Claim 001_JPEG.scr |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 61'440 bytes |
| First seen: | 2020-10-27 12:15:31 UTC |
| Last seen: | 2020-10-27 13:28:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8bdb87530cce7c2ab0843c9ac73ea906 (3 x GuLoader) |
| ssdeep | 768:jjRpFdX4ir/uU6RcZteSgGRKzTD4meth7BDku:XXFpdaitFgGRCTkmkyu |
| Threatray | 2'751 similar samples on MalwareBazaar |
| TLSH | 095307DEB794C06DFC644DBE9B60B6BB8F332F202623961F75483A2A1D71601DD24E52 |
| Reporter |  abuse_ch |
| Tags: | GuLoader scr |
abuse_ch
Malspam distributing GuLoader:HELO: mail.mausetv.net
Sending IP: 167.71.181.111
From: Jackie <support@mausetv.net>
Subject: Urgent Claims
Attachment: Urgent Claims 001 002.img (contains "Claim 001_JPEG.scr")
GuLoader payload URL:
https://distantadviser.com//mpa/J_aeComyslCA111.bin
https://od.lk/d/NzhfMjEwNjgwMjBf/J_aeComyslCA111.bin
Intelligence
File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to hide a thread from the debugger
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Hides threads from debuggers
Machine Learning detection for sample
Potential malicious icon found
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-10-27 06:16:34 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 2'741 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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