MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c688c6b0f5bd44c8d37e810000892ce8d0e2225f1dd04a92d454fd60c7cdc779. 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


Intelligence 5 IOCs YARA File information Comments

SHA256 hash: c688c6b0f5bd44c8d37e810000892ce8d0e2225f1dd04a92d454fd60c7cdc779
SHA3-384 hash: 68096b012d38551d9bc3b5e88b8d584642ca174a9cec5ac52011433f1796878121697f49cbb8ff1a8f69b62f2b8be79f
SHA1 hash: cbbe31a93f83085432f0615224e29f702fe6ea26
MD5 hash: 241d24f99836600e018078c031ca8b59
humanhash: yankee-idaho-harry-oven
File name:Order 742094 for August.exe
Download: download sample
Signature GuLoader
File size:86'016 bytes
First seen:2020-08-05 17:20:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 97cd4758d7044ff13b64cd9b4090e942 (1 x GuLoader)
ssdeep 768:pDBXYtEFbyzJdGj3bmUKIdD06oZkjer5AWrT+xaR0Ld3D:pVXuzJ0j3qUrdD06dqrORa6Ld3
Threatray 1'020 similar samples on MalwareBazaar
TLSH 6D836C22B484E972F705C6F62B3A51F311BABC3146168E0B74853F2B3A77D0A6DA5317
Reporter abuse_ch
Tags:exe GuLoader


Avatar
abuse_ch
Malspam distributing GuLoader:

HELO: vetterstone.com
Sending IP: 156.96.44.186
From: Vetterstone Gen Enterprise<terry@vetterstone.com>
Subject: Procurement Listing Order 742094
Attachment: Order 742094 for August.zip (contains "Order 742094 for August.exe")

GuLoader payload URL:
http://zarnaftdiar.ir/henryyy_KKELE245.bin

Intelligence


File Origin
# of uploads :
1
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Drops executable to a common third party application directory
Found malware configuration
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
Installs a global keyboard hook
Machine Learning detection for sample
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)
Sigma detected: RegAsm connects to smtp port
Tries to detect Any.run
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2020-08-05 17:22:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of SetWindowsHookEx
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

GuLoader

Executable exe c688c6b0f5bd44c8d37e810000892ce8d0e2225f1dd04a92d454fd60c7cdc779

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments