MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8648aaee28f16c8e253ff50ebe3c0deeaf6e9a35b5088f252d2594e532f587f6. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 8648aaee28f16c8e253ff50ebe3c0deeaf6e9a35b5088f252d2594e532f587f6
SHA3-384 hash: 69b77ed0179d2fa0dd1ab3cdcfa44a13cbe34f4a3748601f08c7921b89ebe62825b7b7c2e00b1332c141098a8cf1e400
SHA1 hash: b30dad2efc716300305311aa77c3ed7258e420e3
MD5 hash: 690dbabf9a87707e5484b5c1eb501a44
humanhash: pluto-magnesium-lima-south
File name:8648aaee28f16c8e253ff50ebe3c0deeaf6e9a35b5088f252d2594e532f587f6
Download: download sample
Signature GuLoader
File size:405'504 bytes
First seen:2026-08-10 13:45:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 6144:e6bAcJuMn7pb+YwPk54PCHw6SP19yzFBAkbJWrGjEOPXkEcVenNI:9bNKu4PCHwrbK1VsVcI
TLSH T18A84F1017614E62AD9A68A374C1B97E60B60FE580B505B177254FB7F39F3702DE0E38A
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 48c4c8f8f2982c51 (1 x AsyncRAT, 1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-06T06:25:00Z UTC
Last seen:
2026-08-09T17:20:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-06 09:31:11 UTC
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks QEMU agent file
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
8648aaee28f16c8e253ff50ebe3c0deeaf6e9a35b5088f252d2594e532f587f6
MD5 hash:
690dbabf9a87707e5484b5c1eb501a44
SHA1 hash:
b30dad2efc716300305311aa77c3ed7258e420e3
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
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:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:NSIS
Author:kevoreilly
Description:NSIS Integrity Check function
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Comments