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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31. 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: 9


Intelligence 9 IOCs YARA 18 File information Comments
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SHA256 hash: 2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31
SHA3-384 hash: 59e973079775057a36f380988c6dfcb740882b1f17370948087b0f293713f83bb368f5e1b6e0723841687fc3721e592b
SHA1 hash: b6b3a6c2c5b3fef339ee6f1d645889494cb626ca
MD5 hash: 0058be165ad7cffecdb1c79236e6eb7c
humanhash: steak-skylark-fourteen-diet
File name:Producto y especificaciones adjuntas_.js
Download: download sample
Signature Formbook
Create hunting rule
File size:565'222 bytes
First seen:2026-09-01 06:18:44 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:EJsljC61bUv734NseUNHozacWAbNgCG1Yzr1IZN:RlCv734RsoRWsgDoxIX
TLSH T1FDC41304BE447D3047EE02B8865FB49E4DF58C280168E9CD49B9FBC50CCD79658BAE66
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.16828235.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm encrypted evasive fingerprint lolbin obfuscated obfuscated persistence powershell repaired wscript
Link:
https://www.filescan.io/uploads/6a966ef52c5c1b6aec377821/reports/7d9d4875-5b05-4d15-9ba9-2c5d51ebfded/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31
Verdict:
Malicious
File Type:
text
First seen:
2026-08-31T11:54:00Z UTC
Last seen:
2026-09-02T04:01:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31/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/1966538
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Creates processes via WMI
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript source code contains functionality to compute date of execution (likely for evasion)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Loading BitLocker PowerShell Module
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: Dot net compiler compiles file from suspicious location
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1966538 Sample: Producto y especificaciones... Startdate: 01/09/2026 Architecture: WINDOWS Score: 100 81 www.domainsniper.app 2->81 83 www.traderadar.hu 2->83 85 4 other IPs or domains 2->85 101 Multi AV Scanner detection for submitted file 2->101 103 Yara detected FormBook 2->103 105 Yara detected AntiVM3 2->105 107 11 other signatures 2->107 11 cmd.exe 1 2->11         started        14 wscript.exe 1 9 2->14         started        17 wscript.exe 1 2->17         started        signatures3 process4 file5 123 Wscript starts Powershell (via cmd or directly) 11->123 125 Bypasses PowerShell execution policy 11->125 19 powershell.exe 37 11->19         started        23 conhost.exe 11->23         started        77 C:\Users\user\AppData\...\PhotoStudio.vbs, ASCII 14->77 dropped 79 C:\Users\user\AppData\...\PhotoStudio.js, ASCII 14->79 dropped 127 Windows Shell Script Host drops VBS files 14->127 129 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->129 131 Suspicious execution chain found 14->131 133 Creates processes via WMI 14->133 135 WScript reads language and country specific registry keys (likely country aware script) 17->135 25 wscript.exe 5 17->25         started        27 cvtres.exe 17->27         started        signatures6 process7 file8 71 C:\Users\user\AppData\...\hg4qcu3x.cmdline, Unicode 19->71 dropped 109 Injects a PE file into a foreign processes 19->109 111 Unusual module load detection (module proxying) 19->111 113 Switches to a custom stack to bypass stack traces 19->113 115 Loading BitLocker PowerShell Module 19->115 29 powershell.exe 19->29         started        32 csc.exe 3 19->32         started        35 csc.exe 3 19->35         started        37 cmd.exe 25->37         started        signatures9 process10 file11 137 Modifies the context of a thread in another process (thread injection) 29->137 139 Maps a DLL or memory area into another process 29->139 141 Queues an APC in another process (thread injection) 29->141 39 Ir7zsVwQvUn9UJ.exe 29->39 injected 67 C:\Users\user\AppData\Local\...\yr3j0f42.dll, PE32 32->67 dropped 42 cvtres.exe 1 32->42         started        69 C:\Users\user\AppData\Local\...\hg4qcu3x.dll, PE32 35->69 dropped 44 cvtres.exe 1 35->44         started        143 Wscript starts Powershell (via cmd or directly) 37->143 46 powershell.exe 37->46         started        48 conhost.exe 37->48         started        signatures12 process13 signatures14 117 Maps a DLL or memory area into another process 39->117 119 Found direct / indirect Syscall (likely to bypass EDR) 39->119 50 PATHPING.EXE 13 39->50         started        121 Loading BitLocker PowerShell Module 46->121 53 csc.exe 46->53         started        56 csc.exe 46->56         started        58 powershell.exe 46->58         started        process15 file16 93 Tries to steal Mail credentials (via file / registry access) 50->93 95 Tries to harvest and steal browser information (history, passwords, etc) 50->95 97 Modifies the context of a thread in another process (thread injection) 50->97 99 3 other signatures 50->99 60 VxSb2MFGsK.exe 50->60 injected 63 firefox.exe 50->63         started        73 C:\Users\user\AppData\Local\...\jdskqjlp.dll, PE32 53->73 dropped 65 cvtres.exe 53->65         started        75 C:\Users\user\AppData\Local\...\kqse3xzi.dll, PE32 56->75 dropped signatures17 process18 dnsIp19 87 www.traderadar.hu 37.9.175.173, 49737, 80 WEBSUPPORT-SRO-SK-ASSK Slovakia 60->87 89 www.mhsp.mw 102.211.186.77, 49738, 49739, 49740 Sive-Setfu-ICT-Solutions-Pty-LtdZA South Africa 60->89 91 3 other IPs or domains 60->91
Score:
93%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b05c268953cbd4441cb8a112ba5aefba0ccb0c86552107e1809453affed7e31/
Threat name:
Script-JS.Trojan.Cryxos
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Status:
Malicious
First seen:
2026-09-01 02:47:51 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmc4e2evhs6uiqolriisxjno7oqmzmgimvjba7qybfctv77npyyq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook Execution adware collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260901-g4algabe39/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Command and Scripting Interpreter: PowerShell
Temporarily bypasses Powershell execution policy
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.

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:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
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Author:Willi Ballenthin
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
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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
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Author:vietdx.mb
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
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Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

File information

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

Comments