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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20
SHA3-384 hash: b611d5f0fa3875b2531481634ffa830c43b0c2ce927070ae516ebd70ce57968c9a26147008868327793af13f94f57e4f
SHA1 hash: 91bbedf4ce5d8c0c911d942f967570c08e67b55e
MD5 hash: 8e59bba5efac9328185c287782732bc6
humanhash: pennsylvania-mexico-mars-football
File name:Invoice--6546328.js
Download: download sample
Signature Formbook
Create hunting rule
File size:53'950 bytes
First seen:2026-10-24 08:46:18 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:GMNd0zKdhgxPQpkxpq+810R8I2uYDyGNk2Dw91Xt1hKyzvh:G6K1E+0Zuc0X0kvh
TLSH T17133EA834242565896CAE2D68B29911FDDF8851E583C9CF9F74B1BEEFEAFC401066730
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
171
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.GT.JS.ObfDownloader.3.8E67D641.22222997.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6adc709b5a22ac805bd9f080
Tags:
n/a
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted fingerprint masquerade obfuscated repaired
Link:
https://www.filescan.io/uploads/6adc70971ce2b4a34ea94f8a/reports/280f65e0-53fc-4326-a38f-e111be3ec41d/overview
Verdict:
Malicious
Labled as:
GT:JS.ObfDownloader.3
Link:
https://www.hybrid-analysis.com/sample/5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20
Verdict:
Malicious
File Type:
js
First seen:
2026-10-23T12:32:00Z UTC
Last seen:
2026-10-26T07:30:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20/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/1991288
Signature
Antivirus detection for URL or domain
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
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
Powershell connects to network
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
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 FormBook
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1991288 Sample: Invoice--6546328.js Startdate: 24/10/2026 Architecture: WINDOWS Score: 100 59 www.chargepumw.xyz 2->59 61 uber-joeleasing.de 2->61 63 18 other IPs or domains 2->63 77 Suricata IDS alerts for network traffic 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 85 8 other signatures 2->85 11 wscript.exe 2 2->11         started        14 JdMuCUhbZa8xmv.exe 2->14 injected 16 svchost.exe 1 1 2->16         started        19 cQe9cfX4cC.exe 2->19 injected signatures3 83 Performs DNS queries to domains with low reputation 59->83 process4 dnsIp5 97 JScript performs obfuscated calls to suspicious functions 11->97 99 Wscript starts Powershell (via cmd or directly) 11->99 101 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->101 109 2 other signatures 11->109 21 cmd.exe 1 11->21         started        103 Maps a DLL or memory area into another process 14->103 105 Found direct / indirect Syscall (likely to bypass EDR) 14->105 24 verclsid.exe 13 14->24         started        51 127.0.0.1 unknown unknown 16->51 107 Creates processes via WMI 16->107 53 www.chargepumw.xyz 172.67.175.84, 49719, 49720, 49721 CLOUDFLARENET-CloudflareIncUS Canada 19->53 55 www.beguin.info 51.91.236.255, 49717, 80 OVHFR France 19->55 57 8 other IPs or domains 19->57 signatures6 process7 signatures8 87 Wscript starts Powershell (via cmd or directly) 21->87 26 powershell.exe 14 19 21->26         started        30 conhost.exe 21->30         started        89 Tries to steal Mail credentials (via file / registry access) 24->89 91 Tries to harvest and steal browser information (history, passwords, etc) 24->91 93 Modifies the context of a thread in another process (thread injection) 24->93 95 3 other signatures 24->95 32 firefox.exe 24->32         started        process9 dnsIp10 65 129.121.148.240, 49699, 80 UNIFIEDLAYER-AS-1-UnifiedLayerUS Germany 26->65 67 uber-joeleasing.de 178.254.0.79, 443, 49712, 49714 EVANZOASDE Germany 26->67 111 Suspicious powershell command line found 26->111 113 Writes to foreign memory regions 26->113 115 Suspicious execution chain found 26->115 117 2 other signatures 26->117 34 RegAsm.exe 26->34         started        37 powershell.exe 12 26->37         started        signatures11 process12 signatures13 69 Modifies the context of a thread in another process (thread injection) 34->69 71 Maps a DLL or memory area into another process 34->71 73 Queues an APC in another process (thread injection) 34->73 75 3 other signatures 34->75 39 cmd.exe 1 37->39         started        41 conhost.exe 37->41         started        process14 process15 43 taskkill.exe 1 39->43         started        45 taskkill.exe 1 39->45         started        47 taskkill.exe 1 39->47         started        49 conhost.exe 39->49         started       
Score:
77%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Javascript T1059.007
Link:
https://app.malva.re/file/8e59bba5efac9328185c287782732bc6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20/
Threat name:
Script-JS.Dropper.ObfDownloader
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Status:
Malicious
First seen:
2026-10-23 15:18:19 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=loyxus6sz6g6kvrbjcpetmza6m7jeqzebyadw6rd6phrx5rhxyqa._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/2c80182d-f4f6-468c-ae2f-fbe86dcadfe3
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution
Link:
https://tria.ge/reports/261024-kp2yysgy6z/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
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/5bb17a4bd2cf8de55621489e49b320f33e9243240e003b7a23f3cf1bf627be20

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:OBFUS_PowerShell_Common_Replace
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Author:SECUINFRA Falcon Team
Description:Detects the common usage of replace for obfuscation
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