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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea
SHA3-384 hash: 7f680dcef225a8e06be7cc1ceee9d1ff0b2fe1003bd07761fcc699b8228a46d69e6f97f9dae3ede96aab1a7aeb85f0f2
SHA1 hash: e5e44d81295dbe9c1361a453afc2bd4caf3e7647
MD5 hash: 4884ee3ba602567423535672757cdbd2
humanhash: utah-pizza-tennis-wisconsin
File name:NARUDŽBA_6237681.js
Download: download sample
Signature Formbook
Create hunting rule
File size:1'235'516 bytes
First seen:2026-10-12 07:52:27 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 1536:uztPkccvJaLYOIspr6yfrTsM8lhZms7sitrf6uWDUUjHS/lj45lCFouvTGAh80KJ:jG3+eMZii5f6uWDUH9rxMDtoA4PwZp
TLSH T117455B5203451BBDF68D4EC9C95B245B20F2E8677D241258EFB36EE7BC3B984943063A
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
160
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.33527799.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea
Verdict:
Malicious
File Type:
text
First seen:
2026-10-12T02:07:00Z UTC
Last seen:
2026-10-13T06:07:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1985768
Signature
Allocates memory in foreign processes
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 generate code involving a shell, file or stream
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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)
Writes to foreign memory regions
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: 1985768 Sample: NARUD#U017dBA_6237681.js Startdate: 12/10/2026 Architecture: WINDOWS Score: 100 33 ibratin.online 2->33 35 www.realgroup.pw 2->35 37 3 other IPs or domains 2->37 57 Suricata IDS alerts for network traffic 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected FormBook 2->61 63 6 other signatures 2->63 8 wscript.exe 1 1 2->8         started        12 4SX5iPVOTwK.exe 2->12 injected 14 aL6kaHZCKaA6m.exe 2->14 injected signatures3 process4 dnsIp5 31 C:\Users\user\AppData\Local\Temp\72477.ps1, Unicode 8->31 dropped 73 Suspicious powershell command line found 8->73 75 Wscript starts Powershell (via cmd or directly) 8->75 77 Bypasses PowerShell execution policy 8->77 83 3 other signatures 8->83 17 powershell.exe 15 8->17         started        79 Maps a DLL or memory area into another process 12->79 81 Found direct / indirect Syscall (likely to bypass EDR) 12->81 20 dfrgui.exe 13 12->20         started        22 srdelayed.exe 12->22         started        39 ibratin.online 162.241.2.203, 49722, 49723, 49724 ORACLE-BMC-31898-OracleCorporationUS Brazil 14->39 41 www.realgroup.pw 45.130.41.55, 49721, 80 BEGET-ASRU Russia 14->41 file6 signatures7 process8 signatures9 43 Writes to foreign memory regions 17->43 45 Allocates memory in foreign processes 17->45 47 Injects a PE file into a foreign processes 17->47 24 MSBuild.exe 17->24         started        27 conhost.exe 17->27         started        49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51 53 Modifies the context of a thread in another process (thread injection) 20->53 55 3 other signatures 20->55 29 firefox.exe 20->29         started        process10 signatures11 65 Modifies the context of a thread in another process (thread injection) 24->65 67 Maps a DLL or memory area into another process 24->67 69 Queues an APC in another process (thread injection) 24->69 71 3 other signatures 24->71
Score:
32%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2fd2b7d1a1bf4a26ffad4ddf8500689d58a7f876060db81e76bc18cea03e90ea/
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2026-10-12 05:13:32 UTC
File Type:
Text (JavaScript)
AV detection:
5 of 36 (13.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f7jlpunbx5fcn75njxpykaditvmkp6dwayg3qhtwxqmm5ib6sdva._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/261012-jq4y9shh28/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
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:ClamAV_Emotet_String_Aggregate
Create hunting rule
Rule name:SCRIPT_Dropper_Unknown_ForgeAuto_0507f067_Script
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (script_js, etat script)
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