MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81bd7f9b814b466a614b8b165ef83081e2ea36f8bcf08b59fa7f9bbbad22c80f. 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: | 81bd7f9b814b466a614b8b165ef83081e2ea36f8bcf08b59fa7f9bbbad22c80f |
|---|---|
| SHA3-384 hash: | 75b37265c65bad449dd229a3572957b53687fd36f64a524028077fbd10f616d0687a84b1163ba2c2e34b112c1e2eb63d |
| SHA1 hash: | 142f866128faba08906752005af697f335314551 |
| MD5 hash: | 42cf80d8d4918740cb4a52210d8919bd |
| humanhash: | emma-nuts-hamper-victor |
| File name: | noCONVIDcrisis.bat |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 94'208 bytes |
| First seen: | 2020-04-01 09:58:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1d953371a6b1d36ccad548f875702222 (1 x GuLoader) |
| ssdeep | 768:UGcHuRw+Fg+t6UmyTx0/RJgpyejWXKH82IVrxL82AzV2Hf4mV:4ue+t686RJwyejWXKaVa2Azg/9 |
| Threatray | 669 similar samples on MalwareBazaar |
| TLSH | D493D812FA00CD94C5284DB69F759BCC23557E25AE0ABE43358C3EDE7BB22542503E9B |
| Reporter |  abuse_ch |
| Tags: | COVID-19 exe GuLoader |
abuse_ch
COVID-19 themed malspam distributing GuLoader with unknown payload:HELO: smtp02-sa.serv.net.mx
Sending IP: 201.150.39.118
From: eduardo.rendon@ayco.com.mx
Subject: RV: Declaración de Ayco (COVID-19)
Attachment: noCONVIDcrisis.zip (contains "noCONVIDcrisis.bat")
GuLoader payload URL:
https://drive.google.com/uc?export=download&id=194ObVOedG5e1zZBqiDQ08ML7VN_8Ph8g
Final payload is unknown, but beacons to posit.monster:
http://posit.monster/luci/Panel/lucifer/gate.php
Intelligence
File Origin
# of uploads :
1
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Gathering data
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-04-01 04:50:29 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
25 of 31 (80.65%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 659 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
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::EVENT_SINK_AddRef MSVBVM60.DLL::__vbaErrorOverflow |
Comments
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