MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5b8bcca6874eb87a0653adc3137d69a11c33c64a0087ad63646f39111ac2e62c. 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: | 5b8bcca6874eb87a0653adc3137d69a11c33c64a0087ad63646f39111ac2e62c |
|---|---|
| SHA3-384 hash: | 7b416b64c731506d5a4f7582f394444d9673c721812df500ce1a4f6aef2a0a65a7ad21f77efe244018364e917727d06b |
| SHA1 hash: | 4531a935d5cb7fb3233e7271ccad1a063cef8e17 |
| MD5 hash: | 829c3d9c114947c437fa8ce30641edcc |
| humanhash: | pluto-nitrogen-vegan-delaware |
| File name: | Invoices.bat |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 86'016 bytes |
| First seen: | 2020-08-05 09:21:57 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a4c809fe8bd95c09c0237a88c6b59795 (1 x GuLoader) |
| ssdeep | 768:RI1jnmx8BBPbBQ5BdTbhVORcpV+CFXOd3xFgW88YOGy1E0cRQY/Y1:RIBn5lEdnORcpZXwR1ZcRQY/Y |
| Threatray | 5'041 similar samples on MalwareBazaar |
| TLSH | 93835C01B4C5EB32F211CAB61BB593F711BBBD3148468F0B654C3E1B7A36E05A652727 |
| Reporter |  abuse_ch |
| Tags: | bat GuLoader Yahoo |
abuse_ch
Malspam distributing GuLoader:HELO: sonic313-15.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.133.125
From: May Ding 2 <may_dingscanhero@yahoo.com>
Reply-To: may_dingscanhero@yahoo.com
Subject: Inquiry For Goods
Attachment: Pictures and diagrams.img (contains "Invoices.bat")
GuLoader payload URL:
https://drive.google.com/uc?export=download&id=1GIykafZbADzbhWZKlE8iE9t-KPHqw54u
Intelligence
File Origin
# of uploads :
1
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
FormBook GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to hide a thread from the debugger
Detected FormBook malware
Executable has a suspicious name (potential lure to open the executable)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-08-05 06:38:48 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 5'031 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of SetWindowsHookEx
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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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