MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1863e435245868f11b1ceb51fcecdc469caf817f754c3272139dffc2d81c4667. 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: | 1863e435245868f11b1ceb51fcecdc469caf817f754c3272139dffc2d81c4667 |
|---|---|
| SHA3-384 hash: | 0bf1d5e4c31796105ecec40ec0445b1547a8c716aaf6018013f0809bce14cd8b3be5cf08e7d87fb535dc1b60b6dd09e4 |
| SHA1 hash: | dbec9775b71afea80e557f59435e52b1a8382498 |
| MD5 hash: | bd2b34f99cbf20a7e48b2bf199c7e707 |
| humanhash: | freddie-earth-purple-green |
| File name: | Prepayment invoice 5408.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 204'800 bytes |
| First seen: | 2020-10-26 15:50:22 UTC |
| Last seen: | 2020-10-28 01:17:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 76c18f607f92991b7df6dde6c973632a (2 x GuLoader) |
| ssdeep | 1536:2GhB+UlPkbFx1ZjhGIBOrPaOYdSkjiRNqOP3e:NIx71hEbaFSkjiRrPu |
| Threatray | 329 similar samples on MalwareBazaar |
| TLSH | 1814CC7190F26BC9E8A68FF29EA0E689FFE70C509941461ED1A439F71133B84C6451FE |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
abuse_ch
Malspam distributing unidentified malware:HELO: cipla.com
Sending IP: 103.141.138.127
From: Heikki Timonen <rutuja.shinde@cipla.com>
Reply-To: Heikki Timonen <011teknew@gmail.com>
Subject: Prepayment invoice 5408 for your order ANNEX-No. 6 (50% advance)
Attachment: Prepayment invoice 5408.zip (contains "Prepayment invoice 5408.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
175
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:
AgentTesla GuLoader
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 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)
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Modifies the hosts file
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:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-10-26 09:46:59 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
guloader
Similar samples:
+ 319 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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