MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf4737d1003544ac9fa65fd5b2bc42114baa9691b968f7905d70f8b2c82a9672. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: bf4737d1003544ac9fa65fd5b2bc42114baa9691b968f7905d70f8b2c82a9672
SHA3-384 hash: ae30db61dd931f3423a9df55a9f5ac8c3bfed9ec81fb4ba87acd59cc423a3a375fbc8733e79e4bc27f2ac3059ee2b0cd
SHA1 hash: ad4347156c9af12bc6bf6432a59073d994174a75
MD5 hash: 66b42c9a6c292179f994d2ef59fe1e36
humanhash: seventeen-video-friend-idaho
File name:Get to know your Tax Obligations.exe
Download: download sample
Signature GuLoader
File size:130'096 bytes
First seen:2022-04-01 13:34:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:U3yddvw8pSutvbwfW1XUpvAaPqinDt/cnc9Y1OT62aVn8CKb8TDbI:U3yztLwfo+AaCKDVcF1OW2AbE
Threatray 940 similar samples on MalwareBazaar
TLSH T1CCD3F01067B8D113F8A693314C326F27ADFEDD71683092071BA06B4A7C79751D72E36A
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Gibbons
Issuer:Gibbons
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-01T01:54:39Z
Valid to:2023-04-01T01:54:39Z
Serial number: 00
Intelligence: 325 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: 84a0866a5d45eae4649692c4ece99b366914417173671e924cc54e80be7c870c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll stealer
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.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
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 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 / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-04-01 10:28:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Unpacked files
SH256 hash:
2465e544657f50850892a1f6d71d564b79f57959ccb0fb8010915f30ee2dce0c
MD5 hash:
37f60ab36dd0352c1fe89a5e39fd271b
SHA1 hash:
9c7d9a4cc3f27d1ca5a5d13451b467ada394bab6
SH256 hash:
bf4737d1003544ac9fa65fd5b2bc42114baa9691b968f7905d70f8b2c82a9672
MD5 hash:
66b42c9a6c292179f994d2ef59fe1e36
SHA1 hash:
ad4347156c9af12bc6bf6432a59073d994174a75
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.

Comments