MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4afdcbb6f8a56d3a875a618e9d644922937d768a5b6956e2e8b7b8969238b39d. 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 3 File information Comments

SHA256 hash: 4afdcbb6f8a56d3a875a618e9d644922937d768a5b6956e2e8b7b8969238b39d
SHA3-384 hash: 56f1ef76ec5cdd2d29d68fc39eb1fe9ba3127f17e29501df0d7a6f7e889514c9e6eb26aead6a365b09e96f9367ec5880
SHA1 hash: d9f149e9822abdeff6271904c2f50490596eb2d1
MD5 hash: 60dd7c6075cf1b57f917c6aa7d3260e0
humanhash: saturn-nuts-mountain-william
File name:4afdcbb6f8a56d3a875a618e9d644922937d768a5b6956e2e8b7b8969238b39d
Download: download sample
Signature GuLoader
File size:257'151 bytes
First seen:2026-08-10 14:43:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (62 x GuLoader, 31 x RemcosRAT, 27 x AgentTesla)
ssdeep 6144:pbfopygwAw3+D8oErNHXbetgN4C6RX4xDA:pbkn6+D8oMhigNqRXMc
TLSH T1B644E106B3B6E267E56249310C72CFF1ABD97C166C906A0723B5335D1C76B81FE07A1A
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 c4d28e969696f8dc (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://disk.yandex.kz/d/wY9Xv5e13Y7zMA
Verdict:
No threats detected
Analysis date:
2026-07-22 17:15:38 UTC
Tags:
qrcode websocket loader

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

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% subdirectories
Creating a file
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-22T02:09:00Z UTC
Last seen:
2026-08-10T09:25:00Z UTC
Hits:
~100
Gathering data
Gathering data
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-07-22 08:26:15 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
21 of 36 (58.33%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
4afdcbb6f8a56d3a875a618e9d644922937d768a5b6956e2e8b7b8969238b39d
MD5 hash:
60dd7c6075cf1b57f917c6aa7d3260e0
SHA1 hash:
d9f149e9822abdeff6271904c2f50490596eb2d1
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
SH256 hash:
b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
MD5 hash:
8f0e7415f33843431df308bb8e06af81
SHA1 hash:
1314272e6ad3be1985d4a1607b890a34b0bde8b5
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: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