MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489. 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 1 File information Comments
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SHA256 hash: 399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489
SHA3-384 hash: 9908adc79c24ca417c986c3e733cdaec932fb5f45805ab54a209fa5a9e48add6fc3e0f6fa30ab617da905d45e779ad25
SHA1 hash: 8096a9401386c44c7747e7f0a81717180cc221a6
MD5 hash: bbb1f36c32461f9bfda62ee8e12fdb8b
humanhash: indigo-cup-helium-lactose
File name:Company-Profile-2026updated.js
Download: download sample
Signature Formbook
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File size:145'461 bytes
First seen:2026-08-21 08:39:26 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:GR3xKGIFnk9ppQyzDFlO/qJE6j/qE2eMz/UU+de:nGIF0ppQyzp9E8/qNz/x+de
TLSH T1D7E3CB4459863550C33B7BABB22AB898F766076B00840947B5FCE490EFF1D1ADDE2877
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
downloader encrypted obfuscated repaired
Link:
https://www.filescan.io/uploads/6a880ef66155b2eacf00bdda/reports/8a9485f4-15e5-406c-b659-771723c3bb0c/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1961667
Signature
Bypasses PowerShell execution policy
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
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
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
System process connects to network (likely due to code injection or exploit)
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 reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1961667 Sample: Company-Profile-2026updated.js Startdate: 21/08/2026 Architecture: WINDOWS Score: 100 44 www.pv16.xyz 2->44 46 www.homesmartkit.sbs 2->46 48 17 other IPs or domains 2->48 64 Suricata IDS alerts for network traffic 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Multi AV Scanner detection for submitted file 2->68 72 9 other signatures 2->72 11 wscript.exe 21 2->11         started        signatures3 70 Performs DNS queries to domains with low reputation 44->70 process4 dnsIp5 50 pulgarinrealtor.com 74.50.73.102, 443, 49711 IS-AS-1-InterserverIncUS United States 11->50 78 System process connects to network (likely due to code injection or exploit) 11->78 80 JScript performs obfuscated calls to suspicious functions 11->80 82 Wscript starts Powershell (via cmd or directly) 11->82 84 4 other signatures 11->84 15 powershell.exe 16 11->15         started        signatures6 process7 signatures8 94 Writes to foreign memory regions 15->94 96 Injects a PE file into a foreign processes 15->96 18 aspnet_compiler.exe 15->18         started        21 aspnet_compiler.exe 15->21         started        23 conhost.exe 15->23         started        25 24 other processes 15->25 process9 signatures10 52 Modifies the context of a thread in another process (thread injection) 18->52 54 Maps a DLL or memory area into another process 18->54 56 Queues an APC in another process (thread injection) 18->56 58 Found direct / indirect Syscall (likely to bypass EDR) 18->58 27 WUravOo62iub.exe 18->27 injected 60 Unusual module load detection (module proxying) 21->60 62 Switches to a custom stack to bypass stack traces 21->62 process11 signatures12 74 Maps a DLL or memory area into another process 27->74 76 Found direct / indirect Syscall (likely to bypass EDR) 27->76 30 msra.exe 13 27->30         started        process13 signatures14 86 Tries to steal Mail credentials (via file / registry access) 30->86 88 Tries to harvest and steal browser information (history, passwords, etc) 30->88 90 Modifies the context of a thread in another process (thread injection) 30->90 92 3 other signatures 30->92 33 k84V1W1ABVEfT.exe 30->33 injected 36 firefox.exe 30->36         started        process15 dnsIp16 38 roket16.net 220.158.235.210, 49713, 80 VIETTELCAMBODIA-AS-APISPIXPINCAMBODIAWITHTHEBESTVERVICEINTHEREKH Bangladesh 33->38 40 besthomesaunaguide.com 173.205.127.70, 49718, 49719, 49720 IMH-IAD-InMotionHostingIncUS United States 33->40 42 10 other IPs or domains 33->42
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489/
Threat name:
Script-JS.Trojan.Cryxos
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Status:
Malicious
First seen:
2026-08-21 02:13:18 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=hgibtrlxiwtyivvly6wsonwzohaebpnd37jxpoknypc3tkpciseq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260821-kk2gmabk4t/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Badlisted process makes network request
Family: Formbook
Formbook payload
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/399019c57745a78456abc7ad2736d971c040bda3dfd377b94dc3c5b9a9e24489

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: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)

File information

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

Comments