MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16e10519af870b3333a6d37a823a9846a4c7a0b7caa5d35acf683ae31ae4e5b8. 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 12 File information Comments

SHA256 hash: 16e10519af870b3333a6d37a823a9846a4c7a0b7caa5d35acf683ae31ae4e5b8
SHA3-384 hash: b1a2603c9a57b37bd82eb1c359776215a89db29677abb7cc5ae1b8701de469200b943f0ce032513d95c7337241b4976b
SHA1 hash: 683d7425cd81620e036ac7491e2a7712209b8e11
MD5 hash: c2873a7fe2c49d6b51931b893409be04
humanhash: xray-harry-montana-texas
File name:16e10519af870b3333a6d37a823a9846a4c7a0b7caa5d35acf683ae31ae4e5b8
Download: download sample
Signature GuLoader
File size:786'856 bytes
First seen:2026-06-08 09:22:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (49 x GuLoader, 31 x RemcosRAT, 18 x AgentTesla)
ssdeep 24576:obudKXDY/adczFCmC5uENNSMtubw7uNQ5yprVD:6udKM2GFxkTJmw7QprR
TLSH T1AFF41282BE74A655D6A0CE3164BD593C4B3AEFBBE648150B3180BF0A78F715F550BE02
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 60e8dcccccc4e2e2 (2 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
95.7%
Tags:
injection vmdetect obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching the default Windows debugger (dwwin.exe)
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm evasive fingerprint installer installer installer-heuristic microsoft_visual_cc nsis reconnaissance signed smb
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-08T00:59:00Z UTC
Last seen:
2026-06-10T05:55:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Trojan.Sonbokli
Status:
Malicious
First seen:
2026-05-08 04:22:13 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
16e10519af870b3333a6d37a823a9846a4c7a0b7caa5d35acf683ae31ae4e5b8
MD5 hash:
c2873a7fe2c49d6b51931b893409be04
SHA1 hash:
683d7425cd81620e036ac7491e2a7712209b8e11
SH256 hash:
8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
MD5 hash:
9b38a1b07a0ebc5c7e59e63346ecc2db
SHA1 hash:
97332a2ffcf12a3e3f27e7c05213b5d7faa13735
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
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.
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Win_FakeInstaller_PythonShellcodeLoader_Crepectl_2026
Author:SixHands
Description:Detects the analyzed fake installer sample using .key config, XOR key, and Python/fiber shellcode loader traits

File information


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

Comments