MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a714868cf6bea9d1a01154cc98fa33abbe75350f06cf26d31538ed0aba6a808. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: 8a714868cf6bea9d1a01154cc98fa33abbe75350f06cf26d31538ed0aba6a808
SHA3-384 hash: 6ba0e62ec42b2861346339ebd8c138c1a36e0e10a2430b94e8b3a642b99ebe1f072abebae7bab360fdf976c3a60ec96d
SHA1 hash: 0b5c5afd46ab950959dc1e5fda5520ddae0c51a4
MD5 hash: a60166d50572eedc2e44b327e4928324
humanhash: arizona-nitrogen-helium-monkey
File name:Documentos de envío.exe
Download: download sample
Signature GuLoader
File size:143'360 bytes
First seen:2021-08-02 14:47:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fef384fc3a66a559dff455f07d497ca0 (5 x GuLoader)
ssdeep 3072:W5CFYJr2EF82w1+AG+TeMn5+oXdFv1x9:PHEbLEzhNFv
Threatray 5'311 similar samples on MalwareBazaar
TLSH T163E37F7F98ECE121E395F8F56927E476120474CBAB0E422F5488FABCF1279911D41E3A
dhash icon d4eac8cccce8e8d4 (7 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documentos de envío.exe
Verdict:
No threats detected
Analysis date:
2021-08-02 14:49:50 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Result
Verdict:
UNKNOWN
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:
GuLoader AgentTesla
Detection:
malicious
Classification:
troj.evad.spre.spyw
Score:
100 / 100
Signature
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Executable has a suspicious name (potential lure to open the executable)
GuLoader behavior detected
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)
Sigma detected: RegAsm connects to smtp port
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 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
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Mucc
Status:
Malicious
First seen:
2021-08-02 12:13:49 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Guloader,Cloudeye
Unpacked files
SH256 hash:
8a714868cf6bea9d1a01154cc98fa33abbe75350f06cf26d31538ed0aba6a808
MD5 hash:
a60166d50572eedc2e44b327e4928324
SHA1 hash:
0b5c5afd46ab950959dc1e5fda5520ddae0c51a4
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 8a714868cf6bea9d1a01154cc98fa33abbe75350f06cf26d31538ed0aba6a808

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments