MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c25bbddae696d5f40ddd16653462a4841252b1ca6089cecb6cb81a676f631ba. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 3c25bbddae696d5f40ddd16653462a4841252b1ca6089cecb6cb81a676f631ba
SHA3-384 hash: b32b5b42ee6afbc7c69aabd7ab825cbc9fceae75648f9a6bb407688aedf0d5ceed00c41e454c40873c6c6fe38eeb5e47
SHA1 hash: 7cb0a93e8fde7d8345f678424a027efd5f0b80ae
MD5 hash: 6afcd8e27e808d0453012d342d666c92
humanhash: mike-high-mississippi-fruit
File name:6afcd8e27e808d0453012d342d666c92.exe
Download: download sample
Signature GuLoader
File size:410'808 bytes
First seen:2022-07-01 09:41:11 UTC
Last seen:2022-07-22 10:18:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:MYa6za26q6G0fQwLCa/Dk9YR2QuRtNs+GxjVN2O9XP64efn2EpUH:MYp6q6G0dIwrjV0OHkk
Threatray 3'363 similar samples on MalwareBazaar
TLSH T1819417A3F14053F6D4944CF67A1CA0B70FA37E4AB1202566F749723A6DF1293A17F21A
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcbe92babe96b2cc (3 x GuLoader)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Implementationssprogs1 thunderbird Samfundskonomis5
Issuer:Implementationssprogs1 thunderbird Samfundskonomis5
Algorithm:sha256WithRSAEncryption
Valid from:2022-06-28T14:52:20Z
Valid to:2023-06-28T14:52:20Z
Serial number: 41274be7c99a5661
Thumbprint Algorithm:SHA256
Thumbprint: 85a91c4e3df92c26004363bb860a820f4f4e6693c3459819ceffeebded36554b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
4
# of downloads :
261
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader nemesis overlay packed shell32.dll
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-06-30 23:36:30 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
17 of 26 (65.38%)
Threat level:
  3/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
3c25bbddae696d5f40ddd16653462a4841252b1ca6089cecb6cb81a676f631ba
MD5 hash:
6afcd8e27e808d0453012d342d666c92
SHA1 hash:
7cb0a93e8fde7d8345f678424a027efd5f0b80ae
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.

Web download

GuLoader

Executable exe 3c25bbddae696d5f40ddd16653462a4841252b1ca6089cecb6cb81a676f631ba

(this sample)

  
Delivery method
Distributed via web download

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