MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704
SHA3-384 hash: a026e8eeeef898edd07832c595aa8166232d3c4050dad4734d654cc5bd9ebf285350a58eb54aae9020e1a05597547abf
SHA1 hash: d7e04d16575b08b23d7bd2ea1bdc417ffdc03ece
MD5 hash: 867c711b12ec11c33bf173ec7432a653
humanhash: timing-timing-fanta-lactose
File name:po0923118765pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:3'077'174 bytes
First seen:2026-06-17 09:12:42 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 49152:IAMxyVSsO5WKLS5+2QGp7x4f8XAJ+U3zumYw0o+7pwT6QTj/4q9kMPRtgU4NVo:k
TLSH T16DE55B17D66F974D180E7B61106A5D9AFE89CAFCEF72ABC4E0CF90B510EA1110B851B3
Magika javascript
Reporter threatcat_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
187
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32567.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a32651854a045c34089d90a
Tags:
infosteal rapid
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 base64 encrypted evasive evasive fingerprint lolbin obfuscated obfuscated powershell reconnaissance repaired
Link:
https://www.filescan.io/uploads/6a326514e6f7d2d27d582b26/reports/810b82cb-4677-4b2a-a507-2a7eb9a7b1ca/overview
Verdict:
Suspicious
Labled as:
JS/Agent.EHZ
Link:
https://www.hybrid-analysis.com/sample/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704
Verdict:
Malicious
File Type:
js
First seen:
2026-06-17T05:26:00Z UTC
Last seen:
2026-06-19T07:35:00Z UTC
Hits:
~10000
Detections:
Trojan.Win32.Agent.sb Trojan-Downloader.JS.SLoad.sb HEUR:Worm.Script.Generic Trojan-Dropper.JS.SDrop.sb Trojan.JS.SAgent.sb Trojan-Spy.Win32.Noon.sb Trojan-PSW.Win32.Stealer.sb HEUR:Trojan.Script.Generic Trojan.Win32.InjectorNetT.s PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1929256
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
Joe Sandbox ML detected suspicious sample
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: 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 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: 1929256 Sample: po0923118765pdf.js Startdate: 17/06/2026 Architecture: WINDOWS Score: 100 48 www.mobilik.xyz 2->48 50 www.tournoiscolaire.ch 2->50 52 24 other IPs or domains 2->52 68 Suricata IDS alerts for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 76 9 other signatures 2->76 11 wscript.exe 3 2->11         started        signatures3 74 Performs DNS queries to domains with low reputation 48->74 process4 file5 46 C:\Temp\ps_Jh2aGQDTZRIp_1781688839013.ps1, ASCII 11->46 dropped 82 Suspicious powershell command line found 11->82 84 Wscript starts Powershell (via cmd or directly) 11->84 86 Bypasses PowerShell execution policy 11->86 88 3 other signatures 11->88 15 powershell.exe 16 11->15         started        18 taskkill.exe 1 11->18         started        signatures6 process7 signatures8 90 Writes to foreign memory regions 15->90 92 Injects a PE file into a foreign processes 15->92 20 aspnet_compiler.exe 15->20         started        23 conhost.exe 15->23         started        25 aspnet_compiler.exe 15->25         started        29 22 other processes 15->29 27 conhost.exe 18->27         started        process9 signatures10 78 Maps a DLL or memory area into another process 20->78 80 Unusual module load detection (module proxying) 20->80 31 5wYLWnAK.exe 20->31 injected process11 signatures12 94 Maps a DLL or memory area into another process 31->94 34 unregmp2.exe 13 31->34         started        process13 signatures14 60 Tries to steal Mail credentials (via file / registry access) 34->60 62 Tries to harvest and steal browser information (history, passwords, etc) 34->62 64 Modifies the context of a thread in another process (thread injection) 34->64 66 4 other signatures 34->66 37 dsoh1ebm.exe 34->37 injected 40 firefox.exe 34->40         started        42 explorer.exe 1 34->42 injected 44 chrome.exe 34->44         started        process15 dnsIp16 54 alb-1pfcgefh3w5c0845wfa8hll8s.cn-beijing.volcenginealb.com 115.191.4.231, 49727, 49784, 80 VOLCANO-ENGINEBeijingVolcanoEngineTechnologyCoLtdCN China 37->54 56 www.gate-tj.com.cn 186.243.78.16, 49736, 49737, 49738 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong SAR China 37->56 58 13 other IPs or domains 37->58
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-06-17 08:26:34 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zsn7z33ua2avojkcoaxkaia5itiuq4b3bvbzksyd3z5xfqqro4ca._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260617-k6lcjadt9q/
Behaviour
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: Formbook
Formbook payload
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc9bfcef7406/report/overview.html
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/cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704

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:Base64_Encoded_Powershell_Directives
Create hunting rule

File information

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

Malspam

Formbook

Java Script (JS) js cc9bfcef740681572542702ea0201d44d148703b0d43954b03de7b72c2117704

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments