MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 598ffd82d04b569216f966118d2674619d220d5240b491180f0b883f352c3519. 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



DonutLoader


Vendor detections: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: 598ffd82d04b569216f966118d2674619d220d5240b491180f0b883f352c3519
SHA3-384 hash: 047e56a08c8edadba62639142301be69ac15ab993b80481939264ab75ce42c690e094e3be114edd2c0104a71e6b1f2bf
SHA1 hash: f513d7fea4efa00cd7cab9290a85a95a1a83bc06
MD5 hash: ef6aa05844e6a96aade460371135e959
humanhash: winner-chicken-nitrogen-massachusetts
File name:BrightVista.exe
Download: download sample
Signature DonutLoader
File size:297'472 bytes
First seen:2025-12-04 07:51:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 53e19d5243b4f25d48df742c8d94ac9c (11 x DonutLoader)
ssdeep 3072:mfRbXxsn6slR57cZ6EhE4IQNv8kAeI2yEe28Plq9njUIg9P8W/mrakO+OlVCxFUM:mfRbGY6EDNNAuHe28Pl2ncxlYvR2O
Threatray 2 similar samples on MalwareBazaar
TLSH T1B1548D15BAA810FEE977C17CC9428906EB72BC464761E7CF13904AA62F277D09D3EB11
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter amznemu
Tags:donutloader exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
ID ID
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_598ffd82d04b569216f966118d2674619d220d5240b491180f0b883f352c3519.exe
Verdict:
Malicious activity
Analysis date:
2025-12-04 07:52:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
phishing cobalt
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-03T15:39:00Z UTC
Last seen:
2025-12-05T01:19:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic UDS:DangerousObject.Multi.Generic
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Spyware.Stealc
Status:
Malicious
First seen:
2025-12-03 23:01:29 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Hide Artifacts: Hidden Window
Checks computer location settings
Prevents Microsoft Defender from scanning certain paths by adding an exclusion.
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
598ffd82d04b569216f966118d2674619d220d5240b491180f0b883f352c3519
MD5 hash:
ef6aa05844e6a96aade460371135e959
SHA1 hash:
f513d7fea4efa00cd7cab9290a85a95a1a83bc06
Malware family:
Stealc.v2
Verdict:
Malicious
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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)

File information


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

Comments