MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3dd1a3c527b49134a0241485d8df32b7eb625dd68f52bcc6597002956d6b70d4. 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: 8
| SHA256 hash: | 3dd1a3c527b49134a0241485d8df32b7eb625dd68f52bcc6597002956d6b70d4 |
|---|---|
| SHA3-384 hash: | c0aa3b881f2270ee49a8d37d14eac9b328781cf57177f9c265337914265b81377d627ce346f1463f309111334a021797 |
| SHA1 hash: | add75e8efa2db8f747e3e71718e210edaf8f3e01 |
| MD5 hash: | 11662e80e73aa48e5a7dad619bd099f9 |
| humanhash: | romeo-nebraska-orange-burger |
| File name: | PO#41196.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 282'624 bytes |
| First seen: | 2021-03-09 15:43:46 UTC |
| Last seen: | 2021-03-09 17:45:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7b3e9f865f45a2a4ed08f871e45b10e7 (1 x GuLoader) |
| ssdeep | 3072:9L3LFTDwqSekzifgy8BtC/lTRTzer6iXiiScAVvvn5aWd72s5feJyFkFX:9PFpSlO4HBtC/D26iyPJ/5au72sMjF |
| Threatray | 4'846 similar samples on MalwareBazaar |
| TLSH | 35546E61663A9F41C2CACD3CF10C65A4358DDC2B67E464C2A3B43DBE5EBE9C87E60548 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing unidentified malware:HELO: bjcs01.serverproof.net
Sending IP: 180.76.192.144
From: account-sh@fhtextile.com
Subject: Re: Inquiry
Attachment: DNW92432.IMG (contains "PO#41196.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO#41196.exe
Verdict:
Suspicious activity
Analysis date:
2021-03-09 17:11:16 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-03-09 02:13:03 UTC
AV detection:
16 of 27 (59.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
suspicious
Similar samples:
+ 4'836 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
3dd1a3c527b49134a0241485d8df32b7eb625dd68f52bcc6597002956d6b70d4
MD5 hash:
11662e80e73aa48e5a7dad619bd099f9
SHA1 hash:
add75e8efa2db8f747e3e71718e210edaf8f3e01
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Brontok
Score:
0.80
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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