MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b6bb5d5959909551517f75e8309b7044b20bf28b89da2ae413757a69bc109559. 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
| SHA256 hash: | b6bb5d5959909551517f75e8309b7044b20bf28b89da2ae413757a69bc109559 |
|---|---|
| SHA3-384 hash: | bac024ed5fb79943ca149a75c5e547590fca1017ac69f6a6d987035b841a7f5698bf7d8b2a78f31cc3880dd0de2d6996 |
| SHA1 hash: | 1d9c06ed981f978968fe5dad7acde7ffc444e7f5 |
| MD5 hash: | f1822314540832e92413bc39f8f0e135 |
| humanhash: | alpha-connecticut-high-beryllium |
| File name: | file |
| Download: | download sample |
| Signature | DonutLoader |
| File size: | 4'498'808 bytes |
| First seen: | 2026-02-25 02:39:20 UTC |
| Last seen: | 2026-02-25 02:44:10 UTC |
| File type: |  bat |
| MIME type: | text/x-msdos-batch |
| ssdeep | 24576:feibphBDz6jVanpw/iFSzog6PycNBSQY4jiSYZPQmKaFzFnw1NYda3SMIAw6mD3o:HDxve2EdTPxjFbQ7wzXe1DyuKozxW18 |
| Threatray | 18 similar samples on MalwareBazaar |
| TLSH | T12626021189C42FB9CFAC5A1C90FE171E63E04A9E541A758AEF33BD47AFE7944020B1D9 |
| Magika | batch |
| Reporter |  Bitsight |
| Tags: | bat donutloader dropped-by-amadey fbf543 |
Intelligence
File Origin
# of uploads :
12
# of downloads :
118
Origin country :
USVendor Threat Intelligence
Malware configuration found for:
BatchScript
Details
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-02-25 02:40:05 UTC
Tags:
auto-reg susp-powershell
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect dropper shell sage
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm base64 obfuscated powershell
Verdict:
Malicious
Labled as:
Trojan/BAT.InjectShellCode
Verdict:
Malicious
File Type:
unix shell
Detections:
Trojan-PSW.Win32.Coins.sb Trojan-PSW.MSIL.Stealer.sb Trojan.Win32.Shellcode.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Vimditator.sb Trojan.Win32.Agent.sb Backdoor.Win32.Androm.sb Trojan-PSW.MSIL.Agent.sb Trojan.MSIL.Agent.sb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Agent.sb Trojan.Win32.HTA.a PDM:Exploit.Win32.Generic HEUR:Trojan.BAT.Alien.gen Trojan-Dropper.Win32.Injector.sb
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malicious
Threat:
Trojan-PSW.Win32.Stealer
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-25 02:44:32 UTC
File Type:
Text (Batch)
AV detection:
9 of 24 (37.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
ratonrat
kamikakabot
donutloader
Similar samples:
+ 8 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Score:
10/10
Tags:
family:donutloader defense_evasion execution loader persistence
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Looks up external IP address via web service
Maps connected drives based on registry
Checks BIOS information in registry
Command and Scripting Interpreter: PowerShell
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Detects DonutLoader
DonutLoader
Donutloader family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | Base64_Encoded_Powershell_Directives |
|---|
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| 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: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
| Rule name: | WIN_FileFix_Detection |
|---|---|
| Author: | dogsafetyforeverone |
| Description: | Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths |
| Reference: | FileFix social engineering with PowerShell and PHP commands |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Amadey
Delivery method
Distributed via web download
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