MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e. 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: b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e
SHA3-384 hash: 457e3db1883d24c10290a14d2683329216a76d29d33dfbf20cd4f197e0995ebadcad7b16ae27a069c4b336fc376b93ca
SHA1 hash: 444996541f95eabad5d7cc6087a85452091107b5
MD5 hash: 1f348e99e4a3e83eb4c238b2bf09cbe0
humanhash: carolina-mountain-tennessee-romeo
File name:RFQ-New_Order-ref26093740-Sept.js
Download: download sample
Signature Formbook
Create hunting rule
File size:100'191 bytes
First seen:2026-08-26 13:25:12 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:3c3wK6RF9R+vF1GULN9VqlPw5ZdFH8u4ifwsvyHhStl1nAjPsPxtX128XzSeECYg:33K6RDRWrlYTfJiEjzC8E
TLSH T19FA34264A593658043777F3FB22A9CD4E6760BB70240895FF47CA460AFF1816DEE08B9
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2303.UNOFFICIAL
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Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
encrypted evasive masquerade obfuscated repaired
Link:
https://www.filescan.io/uploads/6a8ee94aff46129684da4e9f/reports/ee89674c-77cf-42bf-b03d-4872a19d5b6f/overview
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.MalBehav.gen
Link:
https://www.hybrid-analysis.com/sample/b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e
Verdict:
Malicious
File Type:
js
First seen:
2026-08-26T07:56:00Z UTC
Last seen:
2026-08-28T06:50:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e/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/1964134
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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 Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964134 Sample: RFQ-New_Order-ref26093740-Sept.js Startdate: 26/08/2026 Architecture: WINDOWS Score: 100 44 www.pv16.xyz 2->44 46 www.weweri.top 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 idylliccreations.net 13.140.159.163, 443, 49710 VEESP-LV-ASLV Germany 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 svchost.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 tnOgvkb2AWdl.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 o2pM56PGwNM4.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 www.miralink.online 178.210.92.188, 49761, 49766, 49767 RU-CENTERRU Russia 33->40 42 11 other IPs or domains 33->42
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e/
Threat name:
Script-JS.Backdoor.FormBook
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Status:
Malicious
First seen:
2026-08-26 10:52:55 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcgpd3mbdl6gmrq3ruwwragukw2qumqz3pck57q36luvipmsbfha._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/260826-qn6teazdqe/
Behaviour
Command and Scripting Interpreter: JavaScript
Badlisted process makes network request
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/b08cf1ed811afc66461b8d2d6880d455b50a3219dbc4aefe1bf2e9543d92094e

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