MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487. 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 2 File information Comments
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SHA256 hash: c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487
SHA3-384 hash: 7de6cb9d72c21c70de006543ead55919b3fbc51435ebf3a72acfe164b30faaf3db9b3a426de71bce7391dc78ad6955fa
SHA1 hash: 020064be38ffa233fdf1db838c84ce8b8736449a
MD5 hash: 9e0f49bf7d8e39f472c7f1467561c18e
humanhash: connecticut-mango-missouri-item
File name:COTIZACIÓN_623.js
Download: download sample
Signature Formbook
Create hunting rule
File size:989'845 bytes
First seen:2026-08-06 08:37:10 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:2o/pKhFhEwixX/n9iMlbUcx0/No/u3PGiBBl03H9SVSzb8EWIuZN4bEA2/:VJw29ilN0u33T0dH/rYA2/
TLSH T1EB258E7575006AAD90E8E2B64B5EA24C33D302984EC885435CF6F4E61D7F29FFBB4858
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
152
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Muldrop.1383.15478.6778.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
encrypted repaired
Link:
https://www.filescan.io/uploads/6a7447cd54bff14a4bde2801/reports/a44c2738-5048-4b61-b9bb-d826346bd984/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487
Verdict:
Malicious
File Type:
js
First seen:
2026-08-05T13:41:00Z UTC
Last seen:
2026-08-06T12:42:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1953254
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
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: Dot net compiler compiles file from suspicious location
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
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: 1953254 Sample: COTIZACI#U00d3N_623.js Startdate: 06/08/2026 Architecture: WINDOWS Score: 100 54 www.nn33to.xyz 2->54 56 www.zanim-zniknie.pl 2->56 58 30 other IPs or domains 2->58 78 Suricata IDS alerts for network traffic 2->78 80 Antivirus detection for URL or domain 2->80 82 Multi AV Scanner detection for submitted file 2->82 86 9 other signatures 2->86 12 wscript.exe 1 6 2->12         started        signatures3 84 Performs DNS queries to domains with low reputation 54->84 process4 file5 46 C:\Users\user\AppData\...\run_10314_73be, ASCII 12->46 dropped 48 C:\Users\user\AppData\...\log_87974_7479.vbs, ASCII 12->48 dropped 50 C:\Users\user\AppData\...\dat_40177_73be, ASCII 12->50 dropped 52 C:\Users\user\AppData\...\clr_18664_73be.ps1, C 12->52 dropped 108 JScript performs obfuscated calls to suspicious functions 12->108 110 Suspicious powershell command line found 12->110 112 Wscript starts Powershell (via cmd or directly) 12->112 114 5 other signatures 12->114 16 wscript.exe 1 12->16         started        signatures6 process7 signatures8 66 Suspicious powershell command line found 16->66 68 Wscript starts Powershell (via cmd or directly) 16->68 70 WScript reads language and country specific registry keys (likely country aware script) 16->70 19 powershell.exe 23 16->19         started        process9 file10 42 C:\Users\user\AppData\...\vlkbodud.cmdline, Unicode 19->42 dropped 88 Writes to foreign memory regions 19->88 90 Injects a PE file into a foreign processes 19->90 23 MSBuild.exe 19->23         started        26 csc.exe 3 19->26         started        29 conhost.exe 19->29         started        signatures11 process12 file13 100 Modifies the context of a thread in another process (thread injection) 23->100 102 Maps a DLL or memory area into another process 23->102 104 Queues an APC in another process (thread injection) 23->104 106 3 other signatures 23->106 31 DUVrwTHvvP.exe 23->31 injected 44 C:\Users\user\AppData\Local\...\vlkbodud.dll, PE32 26->44 dropped 35 cvtres.exe 1 26->35         started        signatures14 process15 dnsIp16 60 www.torrentz.eu 104.247.81.99, 49930, 49931, 49932 TEAMINTERNET-CA-ASDE Canada 31->60 62 www.hghy02.com 137.175.40.172, 49898, 49899, 49900 PEG-SV-PEGTECHINCUS China 31->62 64 14 other IPs or domains 31->64 72 Binary is likely a compiled AutoIt script file 31->72 74 Maps a DLL or memory area into another process 31->74 76 Found direct / indirect Syscall (likely to bypass EDR) 31->76 37 findstr.exe 13 31->37         started        signatures17 process18 signatures19 92 Tries to steal Mail credentials (via file / registry access) 37->92 94 Tries to harvest and steal browser information (history, passwords, etc) 37->94 96 Modifies the context of a thread in another process (thread injection) 37->96 98 3 other signatures 37->98 40 firefox.exe 37->40         started        process20
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487/
Threat name:
Script-JS.Trojan.Redirector
Create hunting rule
Status:
Malicious
First seen:
2026-08-05 18:45:30 UTC
AV detection:
7 of 38 (18.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ylw2lg22asr4bhujy4wialzk7ntrzv6r3yf472jpeqxfavakysdq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260806-kjelgagl6v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.07
Link:
https://yomi.yoroi.company/submissions/c2eda59b5a04a3c09e89c72c802f2afb671cd7d1de0bcfe92f242e50540ac487

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:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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