MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3d67ef808497bf48930be418667da0c2d815431213ff9ca4304be6669f26801. 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 1 File information Comments

SHA256 hash: a3d67ef808497bf48930be418667da0c2d815431213ff9ca4304be6669f26801
SHA3-384 hash: 00b3f1f4c337f548d96919ccd378b927b6051bc3c055245907620df451553522459b288c99fd27d9acaf671f8d1f240a
SHA1 hash: 1eee672644375e37ea708a8417d0ab3128826211
MD5 hash: b4691ff531364fd7ef388299ec6c8b59
humanhash: eleven-kilo-two-july
File name:Bexitor Installer.exe
Download: download sample
Signature GuLoader
File size:279'588 bytes
First seen:2025-11-21 09:04:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 6144:T7e/FDS+SjYV8PNoM3q0oQxbfOqNenyw0lO+p:fYSRjYV0NzoSOqQyw0l1p
TLSH T18D547B416F38D8A2CA505172C826E6F63DA61D84ABE4DE972BC23F9F77351E1057E00B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter juroots
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
111
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bexitor Installer.exe
Verdict:
No threats detected
Analysis date:
2025-11-21 09:31:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
infosteal autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug blackhole fingerprint installer installer installer-heuristic microsoft_visual_cc nsis overlay
Verdict:
Clean
File Type:
exe x32
First seen:
2025-11-21T06:18:00Z UTC
Last seen:
2025-11-21T06:31:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery installer
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a3d67ef808497bf48930be418667da0c2d815431213ff9ca4304be6669f26801
MD5 hash:
b4691ff531364fd7ef388299ec6c8b59
SHA1 hash:
1eee672644375e37ea708a8417d0ab3128826211
SH256 hash:
ae52885d33b04417a72126e604985693025745c381374dc4053439f9b2c3b37a
MD5 hash:
1d4640e3109e5fadd886aba8c187aec1
SHA1 hash:
b7faa784d43b024930a33367c15b866ecb1445e7
SH256 hash:
6222d1c5274290643af093f3b61610d40bd8da4d4dba4f55ff28ae524e6cc02f
MD5 hash:
fdaec83d9f6ba1818b537a31d776b108
SHA1 hash:
c3ece5727cc76343df3cc020cb1f29b080e1ed83
SH256 hash:
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
MD5 hash:
fbe295e5a1acfbd0a6271898f885fe6a
SHA1 hash:
d6d205922e61635472efb13c2bb92c9ac6cb96da
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GuLoader

Executable exe a3d67ef808497bf48930be418667da0c2d815431213ff9ca4304be6669f26801

(this sample)

  
Delivery method
Distributed via web download

Comments