MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b0a602b00b06a9b4fc5f4e9decadeccf36b45662ecda43b8ace5e814c070b0. 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 File information Comments

SHA256 hash: f8b0a602b00b06a9b4fc5f4e9decadeccf36b45662ecda43b8ace5e814c070b0
SHA3-384 hash: dc7d9474fd45a4198e05674f09ff7de3b6859646eaadeb4985043e90bab843c4d15945d2b027e39bdafa222f78a0d20f
SHA1 hash: 8374aead58a681bb66a1a961c4f6c87e3306883b
MD5 hash: 23afb087f21f30c4819741541927d8fa
humanhash: wisconsin-jersey-aspen-august
File name:Ziraat Bankasi Swift Mesaji.JS
Download: download sample
Signature Formbook
File size:1'269'079 bytes
First seen:2026-08-28 19:46:10 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:xCHvxKT+IVdFvqYBSlVbXwut2uFS8LBnbNgLCBV:QHo66bvqY6LW/e6LC3
TLSH T190455A0B0B3D273BAFA503A21459C44663E84ED5D8729F09262DD8B86D78F1F1AB45FC
Magika javascript
Reporter abuse_ch
Tags:FormBook geo js TUR ZiraatBank

Intelligence


File Origin
# of uploads :
1
# of downloads :
163
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive lolbin msbuild obfuscated obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-08-28T09:35:00Z UTC
Last seen:
2026-08-30T10:34:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
Contains functionality to inject code into remote processes
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
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
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)
Sample uses process hollowing technique
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1965521 Sample: Ziraat Bankasi Swift Mesaji.JS.js Startdate: 28/08/2026 Architecture: WINDOWS Score: 100 41 www.underdogbnb.xyz 2->41 43 www.jukiko.xyz 2->43 45 17 other IPs or domains 2->45 63 Suricata IDS alerts for network traffic 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 Yara detected FormBook 2->67 71 6 other signatures 2->71 11 wscript.exe 11 128 2->11         started        signatures3 69 Performs DNS queries to domains with low reputation 43->69 process4 dnsIp5 47 files.catbox.moe 108.181.20.35, 443, 49698 AS40676-PsychzNetworksUS United States 11->47 35 C:\Users\user\Videos\env\updat.exe, PE32 11->35 dropped 37 C:\Users\user\Videos\env\lib.c, C 11->37 dropped 39 C:\Users\user\Videos\env\libtcc.dll, PE32 11->39 dropped 93 System process connects to network (likely due to code injection or exploit) 11->93 95 Benign windows process drops PE files 11->95 97 JScript performs obfuscated calls to suspicious functions 11->97 99 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->99 16 updat.exe 1 11->16         started        file6 signatures7 process8 signatures9 55 Contains functionality to inject code into remote processes 16->55 57 Writes to foreign memory regions 16->57 59 Allocates memory in foreign processes 16->59 61 2 other signatures 16->61 19 MSBuild.exe 16->19         started        22 conhost.exe 16->22         started        process10 signatures11 73 Modifies the context of a thread in another process (thread injection) 19->73 75 Maps a DLL or memory area into another process 19->75 77 Queues an APC in another process (thread injection) 19->77 79 3 other signatures 19->79 24 Z2cqhgsymXeC.exe 19->24 injected process12 signatures13 81 Maps a DLL or memory area into another process 24->81 83 Found direct / indirect Syscall (likely to bypass EDR) 24->83 27 net1.exe 13 24->27         started        process14 signatures15 85 Tries to steal Mail credentials (via file / registry access) 27->85 87 Tries to harvest and steal browser information (history, passwords, etc) 27->87 89 Modifies the context of a thread in another process (thread injection) 27->89 91 3 other signatures 27->91 30 YlPx5RjlEbJIA.exe 27->30 injected 33 firefox.exe 27->33         started        process16 dnsIp17 49 www.jukiko.xyz 104.207.88.121, 49718, 49719, 49720 NAMECHEAP-NET-NamecheapIncUS United States 30->49 51 cluster86db5961.zylingker.com 20.46.112.43, 49713, 80 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS Japan 30->51 53 4 other IPs or domains 30->53
Verdict:
inconclusive
YARA:
1 match(es)
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-08-28 19:47:06 UTC
File Type:
Text (JavaScript)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
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.

File information


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

Comments