MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc791cea301af15a8c46dfd5ddf048fbc52cb694d5e9118c41363675823a328b. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: fc791cea301af15a8c46dfd5ddf048fbc52cb694d5e9118c41363675823a328b
SHA3-384 hash: 1414fa0aa63ae266a92597aa6ee685a70c731dc439f9b36c542b3a13cd9af186cd8fa98d362f90e54d7141f2cfa55f9e
SHA1 hash: 0abc820f45ea2a054771147f11b406762007926f
MD5 hash: 58727c091c5c1ec295f6159abfcad778
humanhash: west-hot-jig-double
File name:Crystal.exe.exe
Download: download sample
Signature DonutLoader
File size:260'096 bytes
First seen:2025-10-14 13:39:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7a30bacfd7c73383390074276a42a91f (15 x Rhadamanthys, 1 x CoinMiner, 1 x DonutLoader)
ssdeep 3072:N2aECcA+KU5tSLSjBH0xCbxmVgXuQsUkCqlOQf4RxDXEi4rle4jy1MQ477cs3KQD:N2aECcA+K4XwgXuE/WQRxApq12yd8
TLSH T166446D5977A51CF9ED77817DCD42490AEA72BC5647A0EACF03A00A960F236E09D3F712
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 burger
Tags:donutloader exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Crystal.exe.exe
Verdict:
Malicious activity
Analysis date:
2025-10-14 13:38:29 UTC
Tags:
loader anti-evasion stealer donutloader rhadamanthys

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper spoof shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process from a recently created file
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt
Sending a custom TCP request
Forced system process termination
DNS request
Sending a UDP request
Connection attempt to an infection source
Launching a file downloaded from the Internet
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc obfuscated
Verdict:
Malicious
Labled as:
Win64/Kryptik_AGeneric.VK trojan
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-10-14T11:01:00Z UTC
Last seen:
2025-10-16T02:34:00Z UTC
Hits:
~100
Detections:
VHO:Trojan-PSW.Win32.Crypt.gen PDM:Trojan.Win32.Generic Trojan.Win32.Crypt.sb HEUR:Trojan.Win64.Donut.a Trojan.Win64.Agentb.sb VHO:Trojan.Win32.Miner.gen BSS:Trojan.Win32.Generic HackTool.PowerShell.AmsiBypass.sb Trojan.Win64.SBEscape.sb Trojan.Win32.Shellcode.sb HEUR:Trojan.PowerShell.Generic VHO:Trojan-PSW.Win32.Rhadamanthys.gen HEUR:Trojan.Multi.Donut.b HEUR:Trojan.MSIL.Rozena.gen HEUR:HackTool.PowerShell.InvokeObfuscation.gen RiskTool.Miner.UDP.C&C not-a-virus:VHO:RiskTool.Win32.Miner.qso not-a-virus:RiskTool.Win32.Miner.qso not-a-virus:RiskTool.Win64.XMRigMiner.a Trojan.Win64.Agentb.leoz Trojan-Downloader.Agent.HTTP.C&C Trojan.Agent.HTTP.ServerRequest
Result
Threat name:
RHADAMANTHYS
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Uses known network protocols on non-standard ports
Yara detected RHADAMANTHYS Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1794940 Sample: Crystal.exe.exe Startdate: 14/10/2025 Architecture: WINDOWS Score: 100 56 Suricata IDS alerts for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for dropped file 2->60 62 6 other signatures 2->62 8 Crystal.exe.exe 16 2->8         started        13 FolderBP.exe 1 2->13         started        15 svchost.exe 2->15         started        process3 dnsIp4 52 176.46.152.62, 49683, 49684, 5858 ESTPAKEE Iran (ISLAMIC Republic Of) 8->52 44 C:\Users\user\AppData\Local\...\nbgtpasrg.exe, PE32+ 8->44 dropped 46 0677e1ddb1c848e3b2...rypted_build[1].exe, PE32+ 8->46 dropped 70 Suspicious powershell command line found 8->70 72 Bypasses PowerShell execution policy 8->72 17 nbgtpasrg.exe 16 8->17         started        21 powershell.exe 40 8->21         started        23 conhost.exe 8->23         started        74 Adds a directory exclusion to Windows Defender 13->74 25 powershell.exe 23 13->25         started        54 127.0.0.1 unknown unknown 15->54 file5 signatures6 process7 dnsIp8 50 185.213.25.60 HOSTHATCHUS Germany 17->50 64 Multi AV Scanner detection for dropped file 17->64 66 Found direct / indirect Syscall (likely to bypass EDR) 17->66 27 conhost.exe 17->27         started        29 WerFault.exe 17->29         started        31 csc.exe 3 21->31         started        34 cmstp.exe 8 7 21->34         started        36 conhost.exe 21->36         started        68 Loading BitLocker PowerShell Module 25->68 38 conhost.exe 25->38         started        40 WmiPrvSE.exe 25->40         started        signatures9 process10 file11 48 C:\Users\user\AppData\Local\...\ebpbeh1w.dll, PE32 31->48 dropped 42 cvtres.exe 1 31->42         started        process12
Gathering data
Threat name:
Win64.Infostealer.Tinba
Status:
Malicious
First seen:
2025-10-14 13:38:49 UTC
File Type:
PE+ (Exe)
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_071
Similar samples:
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader execution loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Detects DonutLoader
DonutLoader
Donutloader family
Unpacked files
SH256 hash:
fc791cea301af15a8c46dfd5ddf048fbc52cb694d5e9118c41363675823a328b
MD5 hash:
58727c091c5c1ec295f6159abfcad778
SHA1 hash:
0abc820f45ea2a054771147f11b406762007926f
Malware family:
GoInjector
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: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