MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d
SHA3-384 hash: 390673c680f4235dcfe8bfe76c31cb5619134b5a6788de44605a76630ffdd61698d1446e4c4987290b47806988c5b12f
SHA1 hash: 4a194a201cf959eed788a58cc0a9ffb5ebd875d3
MD5 hash: 90c067c500c85da2c57d94cce4d3a57b
humanhash: robin-hamper-sink-mobile
File name:PO4508555536.js
Download: download sample
Signature Formbook
Create hunting rule
File size:561'844 bytes
First seen:2026-08-20 14:36:58 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:R2wkKqjmlcsKIWny7XsBw265nmUXVRgA4J7g3:R2wkKWmYny7cBr6Rmcbt
TLSH T13CC42F3D3B642E4C70659113D68E71A5996EEF5AAFAF0A05619FC3F803A1D049A03DF3
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika vba
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.26394894.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 base64 conhost crypto evasive lolbin obfuscated overlay persistence powershell repaired wscript
Link:
https://www.filescan.io/uploads/6a87112032bba2df96a74b75/reports/da935b4e-b756-4229-a5af-e1c49f26a71c/overview
Verdict:
Malicious
Labled as:
JS/Agent.VEC trojan
Link:
https://www.hybrid-analysis.com/sample/454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1961267
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Potential evasive JS / VBS script found (domain check)
Queues an APC in another process (thread injection)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 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 called in batch mode (surpress errors)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1961267 Sample: PO4508555536.js Startdate: 20/08/2026 Architecture: WINDOWS Score: 100 55 www.winx98-plus.com 2->55 57 www.txd.design 2->57 59 12 other IPs or domains 2->59 69 Suricata IDS alerts for network traffic 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 13 other signatures 2->75 10 powershell.exe 7 15 2->10         started        14 powershell.exe 7 15 2->14         started        16 wscript.exe 1 7 2->16         started        19 wscript.exe 4 2->19         started        signatures3 process4 dnsIp5 67 somostask.co 107.180.92.210, 443, 49725, 49726 GO-DADDY-COM-LLC-GoDaddycomLLCUS United States 10->67 93 Writes to foreign memory regions 10->93 95 Injects a PE file into a foreign processes 10->95 21 RegSvcs.exe 10->21         started        24 csc.exe 14->24         started        41 C:\Users\user\AppData\Local\...\11etmt1ohjr0b, ASCII 16->41 dropped 43 C:\Users\user\AppData\Local\...\11etmt1ohjr0a, ASCII 16->43 dropped 45 C:\Users\user\AppData\...\11etmt1ohjr0.ps1, ASCII 16->45 dropped 47 C:\Users\user\AppData\...\PhotoStudio.js, Unicode 16->47 dropped 97 JScript performs obfuscated calls to suspicious functions 16->97 99 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->99 101 Potential evasive JS / VBS script found (domain check) 16->101 49 C:\Users\user\AppData\Local\...\1do6mt1ohlxkb, ASCII 19->49 dropped 51 C:\Users\user\AppData\Local\...\1do6mt1ohlxka, ASCII 19->51 dropped 53 C:\Users\user\AppData\...\1do6mt1ohlxk.ps1, ASCII 19->53 dropped file6 signatures7 process8 signatures9 77 Modifies the context of a thread in another process (thread injection) 21->77 79 Maps a DLL or memory area into another process 21->79 81 Queues an APC in another process (thread injection) 21->81 83 Found direct / indirect Syscall (likely to bypass EDR) 21->83 26 CJedi6ytI1P9o7.exe 21->26 injected 85 Unusual module load detection (module proxying) 24->85 87 Switches to a custom stack to bypass stack traces 24->87 29 KTMEeoFg4vYjqg.exe 24->29 injected process10 signatures11 89 Maps a DLL or memory area into another process 26->89 91 Found direct / indirect Syscall (likely to bypass EDR) 26->91 31 sort.exe 13 26->31         started        34 sort.exe 29->34         started        process12 signatures13 103 Tries to steal Mail credentials (via file / registry access) 31->103 105 Tries to harvest and steal browser information (history, passwords, etc) 31->105 107 Modifies the context of a thread in another process (thread injection) 31->107 109 3 other signatures 31->109 36 UlB4FdKn1.exe 31->36 injected 39 firefox.exe 31->39         started        process14 dnsIp15 61 parking.d.parity.domains 2.59.170.19, 49741, 49742, 49743 WORLDSTREAMNL Netherlands 36->61 63 9064bc.indisite.szwego.com 170.106.118.79, 49749, 49750, 49751 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN United States 36->63 65 4 other IPs or domains 36->65
Score:
62%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ivggatxu7ahz7kwoyws52x74ek7ofubqhvinttyp4sicmbbsrfwq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260820-rzckdaygnc/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
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:
0.00
Link:
https://yomi.yoroi.company/submissions/454c604ef4f80f9faacec5a5dd5ffc22bee2d0303d50d9cf0fe490260432896d

File information

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

Comments