🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d. 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 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d
SHA3-384 hash: d2d48f3c65f87f23a74a6efbc664b0facd4150d5f772276f642570fce55f7fceffdd487fab4dca8b62d5d785f37afe4a
SHA1 hash: 33c4957d5cfee5781f3628e95c3f50846ece20d7
MD5 hash: 441406902ab3b948206cd3e74591a72c
humanhash: item-mountain-wolfram-magnesium
File name:Documents.JS
Download: download sample
Signature Formbook
Create hunting rule
File size:3'429'130 bytes
First seen:2026-10-12 07:52:03 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:application/javascript
ssdeep 98304:PgG3pZh+OieOvqUI0+5l5zRyX+bCfYJUOnuLw5HaJUkB+4O:PgG3pZhrieOtI0+5l3i+++UOnmwJu+4O
TLSH T153F5A56913449173771C6B0FC2BAB9A05909A68339C5EBBD31DDF204329EB07735A9F2
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Trojan.JS.Agent.19900.16242.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad0ea3e6f551121ba16136f
Tags:
autorun shell sage blic
Gathering data
Verdict:
Suspicious
Labled as:
JS/Agent.ECX2
Link:
https://www.hybrid-analysis.com/sample/f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d
Verdict:
Malicious
File Type:
js
First seen:
2026-10-12T02:02:00Z UTC
Last seen:
2026-10-14T01:31:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1985775
Signature
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
Queues an APC in another process (thread injection)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1985775 Sample: Documents.JS.js Startdate: 12/10/2026 Architecture: WINDOWS Score: 100 78 www.753552.cc 2->78 80 klickworld-news.net 2->80 82 10 other IPs or domains 2->82 94 Suricata IDS alerts for network traffic 2->94 96 Multi AV Scanner detection for submitted file 2->96 98 Yara detected FormBook 2->98 100 6 other signatures 2->100 10 wscript.exe 1 4 2->10         started        13 oPM8UCyKF5Ar5m.exe 2->13 injected 15 cmd.exe 1 4 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->118 120 WScript reads language and country specific registry keys (likely country aware script) 10->120 20 HCIIEEZUVOQFDTDC.exe 3 10->20         started        24 cmd.exe 1 10->24         started        122 Maps a DLL or memory area into another process 13->122 124 Found direct / indirect Syscall (likely to bypass EDR) 13->124 26 fixmapi.exe 13 13->26         started        28 cmd.exe 1 15->28         started        30 conhost.exe 15->30         started        72 klickworld-news.net 81.169.145.105, 49729, 49730, 80 STRATOSTRATOAGDE Germany 17->72 74 k02503.brwwww.com 144.48.127.149, 49721, 49722, 49723 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong SAR China 17->74 76 2 other IPs or domains 17->76 32 fixmapi.exe 17->32         started        signatures6 process7 file8 68 C:\Users\user\...\CDTDFQOVUZEEIICH.url, MS 20->68 dropped 102 Found API chain indicative of debugger detection 20->102 104 Modifies the context of a thread in another process (thread injection) 20->104 106 Maps a DLL or memory area into another process 20->106 114 2 other signatures 20->114 34 cmd.exe 1 20->34         started        37 cmd.exe 1 20->37         started        39 cmd.exe 1 20->39         started        41 conhost.exe 20->41         started        70 C:\Users\...\Documents.JS.js:Zone.Identifier, ASCII 24->70 dropped 43 conhost.exe 24->43         started        108 Tries to steal Mail credentials (via file / registry access) 26->108 110 Tries to harvest and steal browser information (history, passwords, etc) 26->110 112 Unusual module load detection (module proxying) 26->112 45 firefox.exe 26->45         started        47 HCIIEEZUVOQFDTDC.exe 1 28->47         started        49 conhost.exe 28->49         started        signatures9 process10 signatures11 84 Uses schtasks.exe or at.exe to add and modify task schedules 34->84 86 Uses whoami command line tool to query computer and username 34->86 51 whoami.exe 1 34->51         started        53 schtasks.exe 1 37->53         started        55 schtasks.exe 1 39->55         started        88 Modifies the context of a thread in another process (thread injection) 47->88 90 Maps a DLL or memory area into another process 47->90 92 Found direct / indirect Syscall (likely to bypass EDR) 47->92 57 cmd.exe 1 47->57         started        60 cmd.exe 1 47->60         started        62 conhost.exe 47->62         started        process12 signatures13 116 Uses whoami command line tool to query computer and username 57->116 64 whoami.exe 1 57->64         started        66 schtasks.exe 1 60->66         started        process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f111ceee289767706c832de8ad4dcf91d50d5db9e6b29d0cf256fb374e4e658d/
Threat name:
Script.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-12 07:52:37 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ei453ris5txa3edfxuk2topshkq2xnz42zj2dhsk35totsomwgq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/440263bd-1952-4899-9c2c-32b5312d0ab1
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook defense_evasion discovery execution persistence privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/261012-jqjckaxz9p/
Behaviour
Modifies registry class
NTFS ADS
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_VBS_Randomized_ActiveX_Downloader
Create hunting rule
Author:Marjoriefort
Description:Dropper VBS obfusque : ActiveXObject a identifiant randomise (20 MAJ), SaveToFile, .Run
Reference:Veille fraicheur 2026-09-14 / grappe VBS randomisee
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:WIN_Malware_SalatStealer_ForgeAuto_542e717b
Create hunting rule
Author:Marjoriefort
Description:Detects SalatStealer (pe, etat binaire)
Rule name:WIN_Malware_Sliver_ForgeAuto_2ddb463c
Create hunting rule
Author:Marjoriefort
Description:Detects Sliver (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_5001c94c
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_ce8c5b46
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_ValleyRAT_ForgeAuto_401c5e16
Create hunting rule
Author:Marjoriefort
Description:Detects ValleyRAT (pe, etat binaire)

File information

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

Comments