MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 9d4abcc57a7136faf706c30c8d644f1ac7b38a2adcff37072a4a7c356d2b8d57. 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: 4
| SHA256 hash: | 9d4abcc57a7136faf706c30c8d644f1ac7b38a2adcff37072a4a7c356d2b8d57 |
|---|---|
| SHA3-384 hash: | 28bf86e2ad62a5b353693cfe9c8689be614faa963a32f6ddfbf11b70c46f9905cb0b233bd040e17896afaa46013fa9f9 |
| SHA1 hash: | 62647d30f287de423893c7645edc88f12255fc13 |
| MD5 hash: | e16030f97af6b547082ddc19f8f492dc |
| humanhash: | jersey-mango-sink-quebec |
| File name: | INV -MS 00088300 -pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 94'208 bytes |
| First seen: | 2020-10-26 14:11:12 UTC |
| Last seen: | 2020-10-28 01:30:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 02d03956d3718b494e226bdaa75e0b1f (10 x GuLoader) |
| ssdeep | 768:aytBF1VeKAb8ls/JE8Vnwd4jVH3C1CgTtwZOqZOGkDRvVnL8RuNLwOZRF:xV+8lGblwdyH3C1CAYOdd9gRS |
| Threatray | 2'769 similar samples on MalwareBazaar |
| TLSH | 7593EA13B97CA643D96487F8AF2B5F7C1A0FFD14A4816BCF21A20D9E7B3C501486E259 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing GuLoader:HELO: xwx0.318.xoron.ml
Sending IP: 134.209.25.90
From: FML- Yousuf <yousufs@fml-bd.com>
Reply-To: FML- Yousuf <yousufs@fml-bd.com>
Subject: MS KOREA/ PAXAR/ 1,036KG/ Re: PO 1032123
Attachment: INV -MS 00088300 -pdf.rar (contains "INV -MS 00088300 -pdf.exe")
GuLoader payload URL:
https://millenium-rj.com/ozil/kton2_kPBWvHU138.bin
Intelligence
File Origin
# of uploads :
7
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to hide a thread from the debugger
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found potential dummy code loops (likely to delay analysis)
Hides threads from debuggers
Multi AV Scanner detection for submitted file
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
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-10-26 02:57:26 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 2'759 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.
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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