MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d6126052ac0b62aadfefafcad46980f864cd94c47c6096cc32f17d99f04a5fbf. 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: | d6126052ac0b62aadfefafcad46980f864cd94c47c6096cc32f17d99f04a5fbf |
|---|---|
| SHA3-384 hash: | 4a82c2546c48a5eee8aa8ebe3ae66e950f9218340f9ebf2b5e261aa43eab07b58aeda1d25e1b788a76d4022cdd2c5a34 |
| SHA1 hash: | 5830ad489022798aced9d7e39a6ac1670a6a653d |
| MD5 hash: | 9a9dc1344edf8c67052bfc9fe230f505 |
| humanhash: | network-mockingbird-salami-louisiana |
| File name: | Proforma Invoice.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 225'280 bytes |
| First seen: | 2021-02-22 07:31:19 UTC |
| Last seen: | 2021-02-26 05:22:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e949f1012c56f11d9fab27c6a26849f7 (1 x GuLoader) |
| ssdeep | 1536:4QbpXaG5mK+RTNFGvkTBw9phgN/sRfwkTOTsNuoQMqRx9JbFPr+NcRAqjnpusttM:XUG5mK+RhFGQBw9phffVNuXxGEO |
| Threatray | 32 similar samples on MalwareBazaar |
| TLSH | E524A5A1E575D803F334CD786120B6A983E930B0AE86D03EF058BF99257F3DD14A566E |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader Hostwinds |
abuse_ch
Malspam distributing unidentified malware:HELO: hwsrv-836678.hostwindsdns.com
Sending IP: 104.168.170.165
From: kr-helenxiang.pw <kr@helenxiang.pw>
Subject: Re: Proforma Invoice
Attachment: Proforma Invoice.zip (contains "Proforma Invoice.exe")
Intelligence
File Origin
# of uploads :
10
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
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.evad
Score:
100 / 100
Signature
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
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
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
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 22 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
Unpacked files
SH256 hash:
d6126052ac0b62aadfefafcad46980f864cd94c47c6096cc32f17d99f04a5fbf
MD5 hash:
9a9dc1344edf8c67052bfc9fe230f505
SHA1 hash:
5830ad489022798aced9d7e39a6ac1670a6a653d
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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