MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
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SHA256 hash: b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439
SHA3-384 hash: 202442b4240f50aa5848b6660ef274e0b29a55ed614202dc191e9a1496094130348e7cbdcf7010b0a6c4095bc40740ac
SHA1 hash: a380716e9f691018133e637d8d83c5010de38e40
MD5 hash: f92fe6bea6bae5511ebf98f6950cb567
humanhash: utah-social-coffee-pluto
File name:2026 RAFAEL REINA ARTACHO FRA 04-111.vbs
Download: download sample
Signature Formbook
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File size:1'211'271 bytes
First seen:2026-07-24 05:39:12 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/csv
ssdeep 768:15mtUt4tXtKtst7twtStxt8tRtBtwtrt/tGtnOt3w:r
TLSH T151454945360D77A17DFD62E4642AEA9C64DF230D21A841FE253E4470A0BB958D0EFBC7
Magika vba
Reporter lowmal3
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/75884/
Detection(s):
SecuriteInfo.com.VBS.Starter.541.11999.30966.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint obfuscated powershell
Link:
https://www.filescan.io/uploads/6a62fa995714082f46dadf3c/reports/64a8355c-7055-4097-9de4-dcc8e50a366b/overview
Verdict:
Malicious
Labled as:
TR/VBS.Malware
Link:
https://www.hybrid-analysis.com/sample/b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439
Verdict:
Malicious
File Type:
vbs
First seen:
2026-07-23T05:17:00Z UTC
Last seen:
2026-07-26T03:35:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439/results?tab=lookup
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1947466
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain 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)
Uses runas.exe to run programs with evaluated privileges
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1947466 Sample: 2026 RAFAEL REINA ARTACHO F... Startdate: 24/07/2026 Architecture: WINDOWS Score: 100 37 www.cryspath.xyz 2->37 39 vrftcl.com.tr 2->39 41 12 other IPs or domains 2->41 67 Suricata IDS alerts for network traffic 2->67 69 Antivirus detection for URL or domain 2->69 71 Multi AV Scanner detection for submitted file 2->71 75 5 other signatures 2->75 11 wscript.exe 1 2->11         started        signatures3 73 Performs DNS queries to domains with low reputation 37->73 process4 signatures5 83 Wscript starts Powershell (via cmd or directly) 11->83 85 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->85 87 Suspicious execution chain found 11->87 89 2 other signatures 11->89 14 powershell.exe 14 15 11->14         started        process6 dnsIp7 43 cloudsky.great-site.net 185.27.134.208, 443, 49713 WILDCARD-ASWildcardUKLimitedGB United Kingdom 14->43 45 misty-cherry-cea3.uploadsimg.workers.dev 104.21.35.129, 443, 49710 CLOUDFLARENET-CloudflareIncUS Canada 14->45 99 Writes to foreign memory regions 14->99 101 Injects a PE file into a foreign processes 14->101 18 AddInProcess32.exe 14->18         started        21 AddInProcess32.exe 14->21         started        23 conhost.exe 14->23         started        signatures8 process9 signatures10 55 Modifies the context of a thread in another process (thread injection) 18->55 57 Maps a DLL or memory area into another process 18->57 59 Queues an APC in another process (thread injection) 18->59 61 Found direct / indirect Syscall (likely to bypass EDR) 18->61 25 OIsQAt4LvwGUYF.exe 18->25 injected 63 Unusual module load detection (module proxying) 21->63 65 Switches to a custom stack to bypass stack traces 21->65 process11 signatures12 77 Binary is likely a compiled AutoIt script file 25->77 79 Maps a DLL or memory area into another process 25->79 81 Found direct / indirect Syscall (likely to bypass EDR) 25->81 28 runas.exe 13 25->28         started        process13 signatures14 91 Tries to steal Mail credentials (via file / registry access) 28->91 93 Tries to harvest and steal browser information (history, passwords, etc) 28->93 95 Modifies the context of a thread in another process (thread injection) 28->95 97 3 other signatures 28->97 31 R6p7mowTSXSyUR.exe 28->31 injected 35 firefox.exe 28->35         started        process15 dnsIp16 47 shiruzhen.com 177.211.152.194, 49728, 49729, 49730 SH2206-APUNITA179FSILVERCORPINTLTOWER707-713NATHANRDHK Hong Kong SAR China 31->47 49 businessoutreachs.in 216.10.252.225, 49720, 49721, 49722 PUBLIC-DOMAIN-REGISTRY-PDRUS India 31->49 51 4 other IPs or domains 31->51 53 Binary is likely a compiled AutoIt script file 31->53 signatures17
Score:
47%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439
Verdict:
Malware
YARA:
1 match(es)
Tags:
Batch Command DeObfuscated PowerShell PowerShell Call T1027 T1059.001 T1059.005 VBScript Wscript.Shell
Link:
https://app.malva.re/file/f92fe6bea6bae5511ebf98f6950cb567
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439/
Threat name:
Script-WScript.Trojan.Heuristic
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Status:
Malicious
First seen:
2026-07-23 12:56:08 UTC
File Type:
Text (VBS)
AV detection:
11 of 37 (29.73%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv5mzc7bfp2v4hyhmzwesjokpbqslqj4jzapu2wtl4idcswluq4q._file
Verdict:
malicious
Label(s):
Formbook
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Link:
https://reports.threatray.com/3942ff59-d722-4f3a-b187-2a0636ad2a56
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260724-gcm3gsstgw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Badlisted process makes network request
Family: Formbook
Formbook payload
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b57acc8be12bf55e1f07666c4925ca786125c13c4e40fa6ad35f10314acba439

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:detect_tiny_vbs
Create hunting rule
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/75884/

Comments