MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39ff3114bc4a8308c1a46885eb9a2923335b86be7f5807c3ae8ca593d59aac05. 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: 5
| SHA256 hash: | 39ff3114bc4a8308c1a46885eb9a2923335b86be7f5807c3ae8ca593d59aac05 |
|---|---|
| SHA3-384 hash: | 18a574bbee3f555c2b7796eb0702e4e41d862fec20570bb44efb72783e9a2992127e047fc5b3e534f59f43fb0bb413c1 |
| SHA1 hash: | 2039b035d924c0ed73f66a6820bbf12748fdc601 |
| MD5 hash: | 1e9e01612f8a9eb1b7d0c2f7e16be8ab |
| humanhash: | north-whiskey-princess-west |
| File name: | Health-E-book·pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 102'400 bytes |
| First seen: | 2020-03-31 07:24:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 28f7ea2d39b8a763c6a3b9aad33ce7b2 (1 x GuLoader) |
| ssdeep | 1536:e5qaUKgByDHkpbrF0o1bcaeMFWTkMarjF:e5+yrkZF0m7F |
| Threatray | 632 similar samples on MalwareBazaar |
| TLSH | FFA3C512FE00BD94D5280DB68B759B9C23457E266E05BE47348C3ECE7AF52A07142EDA |
| Reporter |  abuse_ch |
| Tags: | COVID-19 exe GuLoader |
abuse_ch
COVID-19 malspam campaign distributing GuLoader->AveMariaRAT:HELO: server.yafuzsport.com
Sending IP: 148.251.119.5
From: WHO: World Health Organization <who_advise@who.int>
Subject: Alerting Consumers
Subject: Latest corona-virus updates
Attachment: Health-E-book·pdf.zip (contains "Health-E-book·pdf.exe")
GuLoader payload URL (AveMariaRAT):
https://drive.google.com/uc?export=download&id=1UD-IOEF5ULeY9fkl5xhHtxtQfDR6SbIJ
Intelligence
File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
AveMaria GuLoader
Detection:
malicious
Classification:
rans.troj.evad
Score:
84 / 100
Behaviour
Behavior Graph:
n/a
Gathering data
Threat name:
Win32.Trojan.Injector
Status:
Malicious
First seen:
2020-03-30 02:11:39 UTC
AV detection:
23 of 30 (76.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 622 additional samples on MalwareBazaar
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
Dropping
AveMariaRAT
Delivery method
Distributed via e-mail attachment
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| VB_API | Legacy Visual Basic API used | MSVBVM60.DLL::__vbaObjSetAddref MSVBVM60.DLL::EVENT_SINK_AddRef |
Comments
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