MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 48f6f6fe8f0ec9f25c165e3feba1e5dc790da124db592edef97a0ac173324340. 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
Formbook
Vendor detections: 16
| SHA256 hash: | 48f6f6fe8f0ec9f25c165e3feba1e5dc790da124db592edef97a0ac173324340 |
|---|---|
| SHA3-384 hash: | afafe72ee9f851aa43b667e9f0cbcf72878cb659dd3f77e39f7e2b511030befbdee78ca704115c94d405aa546280a20a |
| SHA1 hash: | 4f6bd1013cefc6c6b1b93e40c66d72512a791e2f |
| MD5 hash: | a4e7d627b45cafc5b9616a68c6bbcf08 |
| humanhash: | aspen-hamper-march-artist |
| File name: | Inquiry NO. 2021-7566.bat |
| Download: | download sample |
| Signature | Formbook |
| File size: | 445'088 bytes |
| First seen: | 2026-05-18 06:12:10 UTC |
| Last seen: | Never |
| File type: |  bat |
| MIME type: | text/x-msdos-batch |
| ssdeep | 12288:9u20RcUmliBg77j7W6tmMUmWoNRB+lSX8rLj5M8oTfPXoEfv1W:9uxmr7VYmC1rv5Mx9W |
| Threatray | 2'388 similar samples on MalwareBazaar |
| TLSH | T19E9423220EC189493DF1811FDB19BA4FF38AC9E957ECF19632BD20C65134877968778A |
| Magika | batch |
| Reporter |  lowmal3 |
| Tags: | bat FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
68
Origin country :
DEVendor Threat Intelligence
Malware configuration found for:
BatchScript
Details
Malware family:
n/a
ID:
1
File name:
_48f6f6fe8f0ec9f25c165e3feba1e5dc790da124db592edef97a0ac173324340.txt
Verdict:
No threats detected
Analysis date:
2026-05-18 06:13:09 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Verdict:
Malicious
Score:
99.1%
Tags:
dropper shell sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
aes base64 base64 crypto evasive expand lolbin obfuscated packed powershell
Verdict:
Suspicious
Labled as:
BAT/Powcod.H.gen
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-05-18T02:21:00Z UTC
Last seen:
2026-05-20T04:30:00Z UTC
Hits:
~1000
Detections:
Trojan.BAT.Agent.sb HEUR:Trojan.BAT.Obfus.gen
Result
Threat name:
DonutLoader, FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Yara detected DonutLoader
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Score:
91%
Verdict:
Malware
File Type:
SCRIPT
Verdict:
Malicious
Threat:
Trojan.BAT.Obfus
Threat name:
Script-BAT.Trojan.XWorm
Status:
Malicious
First seen:
2026-05-18 06:12:40 UTC
File Type:
Text
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
donutloader
Similar samples:
+ 2'378 additional samples on MalwareBazaar
Gathering data
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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