MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c0a21132a4bb82e3a9cac55be46caaf7d2733b5bd215c89fee0852453bdc4a9. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash: 9c0a21132a4bb82e3a9cac55be46caaf7d2733b5bd215c89fee0852453bdc4a9
SHA3-384 hash: ad7dabb93dd3fb528b07db1e2b2b5689440cbdedbd1e4ba8464458ab4e3d1f63e21a809880e00165776573d05d3d1351
SHA1 hash: 90cdea8725525089017b3f535554a4458fd565c9
MD5 hash: 0d59c3e58875df30eb618f7cde7cc80d
humanhash: georgia-seven-muppet-eighteen
File name:ENCRYPTED (5).ps1
Download: download sample
Signature Formbook
File size:1'523'869 bytes
First seen:2026-02-18 10:42:20 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:yRNSXzTq7l7tqJKoWPLYqOgPo5nDbervNiz6z2VFlUgR/APO5Q:Mmzu7aJKjPtIDirNRC+qQ
Threatray 2'674 similar samples on MalwareBazaar
TLSH T10F652342EC685EF902941221A5EE9F4A670047676C84F6567F9E40CE0FAF78F45338EE
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
90.9%
Tags:
vmdetect
Result
Threat name:
FormBook, MATRIX Crypter
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Injects a PE file into a foreign processes
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)
Suricata IDS alerts for network traffic
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected MATRIX Crypter
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1871092 Sample: ENCRYPTED (5).ps1 Startdate: 18/02/2026 Architecture: WINDOWS Score: 100 46 www.54825091.xyz 2->46 48 www.030062469.xyz 2->48 50 16 other IPs or domains 2->50 58 Suricata IDS alerts for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 66 8 other signatures 2->66 11 powershell.exe 24 2->11         started        signatures3 64 Performs DNS queries to domains with low reputation 48->64 process4 file5 44 C:\Users\user\AppData\...\tmpF958.tmp.ps1, ASCII 11->44 dropped 68 Writes to foreign memory regions 11->68 70 Injects a PE file into a foreign processes 11->70 15 aspnet_compiler.exe 11->15         started        18 aspnet_compiler.exe 11->18         started        20 aspnet_compiler.exe 11->20         started        22 23 other processes 11->22 signatures6 process7 signatures8 80 Maps a DLL or memory area into another process 15->80 82 Unusual module load detection (module proxying) 15->82 24 wZ43GJUpnUm9G.exe 15->24 injected 26 ZVfwkFNDulvY.exe 18->26 injected 28 WerFault.exe 16 20->28         started        process9 process10 30 msdt.exe 13 24->30         started        33 msdt.exe 26->33         started        signatures11 72 Tries to steal Mail credentials (via file / registry access) 30->72 74 Tries to harvest and steal browser information (history, passwords, etc) 30->74 76 Modifies the context of a thread in another process (thread injection) 30->76 78 2 other signatures 30->78 35 RtmlyI1xHh9vq.exe 30->35 injected 38 chrome.exe 30->38         started        40 firefox.exe 30->40         started        process12 dnsIp13 52 www.8ixei.info 202.165.122.83, 49746, 49747, 49748 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong 35->52 54 efplusarchitekci.com 109.234.165.161, 49704, 49705, 49706 O2SWITCHFR France 35->54 56 11 other IPs or domains 35->56 42 WerFault.exe 4 38->42         started        process14
Gathering data
Verdict:
Malicious
Threat:
Trojan.Win32.InjectorNetT
Threat name:
Script-PowerShell.Trojan.XWorm
Status:
Malicious
First seen:
2026-02-18 07:40:00 UTC
AV detection:
5 of 24 (20.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
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
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Formbook

PowerShell (PS) ps1 9c0a21132a4bb82e3a9cac55be46caaf7d2733b5bd215c89fee0852453bdc4a9

(this sample)

  
Delivery method
Distributed via web download

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