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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13251f3bd33203ae6e080ec3fdd0e37129fbd49e9e04b996d3373610c0b95103. 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 2 File information Comments

SHA256 hash: 13251f3bd33203ae6e080ec3fdd0e37129fbd49e9e04b996d3373610c0b95103
SHA3-384 hash: db53887c20de43ea3e72c5f4b321512de9a145f774c2b027fdfdf162027501c808b34b03c043dc7f4eb0b54c868ccdc1
SHA1 hash: 8cc147c06ca644c3fc4020d3e30a6801fac70d4f
MD5 hash: e8c2e431902b9597c59c6bad381ca7f6
humanhash: hot-berlin-crazy-utah
File name:Purchase Order Image.js
Download: download sample
Signature Formbook
File size:61'386 bytes
First seen:2026-10-29 09:45:06 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:Vx+HKrn46F2e0SHXJzRc0infp2wiui47qz3zqFlAlDrOdRlMfKbxaD7n9:Vx+HKrn46F2eFlRzr1z339M2fua39
TLSH T10253F07B4246436C9288C4C88BC67B9B98E48573DA157C8976C635FFEB2C940DCA5F32
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
187
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.1%
Tags:
shell virus sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm encrypted fingerprint masquerade obfuscated repaired
Verdict:
Malicious
File Type:
js
First seen:
2026-10-29T05:17:00Z UTC
Last seen:
2026-10-31T03:37:00Z UTC
Hits:
~1000
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Performs DNS queries to domains with low reputation
Powershell connects to network
Queues an APC in another process (thread injection)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain 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 starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1994570 Sample: Purchase Order Image.js Startdate: 29/10/2026 Architecture: WINDOWS Score: 100 33 www.chargepumw.xyz 2->33 35 www.yhsptv4.wiki 2->35 37 14 other IPs or domains 2->37 61 Suricata IDS alerts for network traffic 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 69 8 other signatures 2->69 9 wscript.exe 2 2->9         started        12 mezcrVvRtrHP.exe 2->12 injected 14 ozuBd7h9Es.exe 2->14 injected signatures3 67 Performs DNS queries to domains with low reputation 33->67 process4 dnsIp5 79 JScript performs obfuscated calls to suspicious functions 9->79 81 Wscript starts Powershell (via cmd or directly) 9->81 83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->83 89 3 other signatures 9->89 17 cmd.exe 1 9->17         started        85 Maps a DLL or memory area into another process 12->85 87 Found direct / indirect Syscall (likely to bypass EDR) 12->87 20 verclsid.exe 13 12->20         started        45 www.beguin.info 51.91.236.255, 49717, 80 OVHFR France 14->45 47 topshotsecurity.com 91.184.0.200, 49726, 49727, 49728 ONECOMDK Netherlands 14->47 49 7 other IPs or domains 14->49 signatures6 process7 signatures8 51 Wscript starts Powershell (via cmd or directly) 17->51 22 powershell.exe 15 18 17->22         started        26 conhost.exe 17->26         started        53 Tries to steal Mail credentials (via file / registry access) 20->53 55 Tries to harvest and steal browser information (history, passwords, etc) 20->55 57 Modifies the context of a thread in another process (thread injection) 20->57 59 3 other signatures 20->59 28 firefox.exe 20->28         started        process9 dnsIp10 39 64.224.17.115, 49712, 80 VIRTUO-12651980CANADAINCCA United States 22->39 41 107.173.227.117, 80 AS-COLOCROSSING-HostPapaUS United States 22->41 43 uber-joeleasing.de 178.254.0.79, 443, 49713, 49714 EVANZOASDE Germany 22->43 71 Writes to foreign memory regions 22->71 73 Suspicious execution chain found 22->73 75 Injects a PE file into a foreign processes 22->75 77 Powershell connects to network 22->77 30 RegAsm.exe 22->30         started        signatures11 process12 signatures13 91 Modifies the context of a thread in another process (thread injection) 30->91 93 Maps a DLL or memory area into another process 30->93 95 Queues an APC in another process (thread injection) 30->95 97 3 other signatures 30->97
Verdict:
Malware
YARA:
1 match(es)
Tags:
Javascript JS Emulation Trace T1059.007 WScript.Shell
Threat name:
Win32.Trojan.Vigorf
Status:
Malicious
First seen:
2026-10-29 09:45:34 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 22 (40.91%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery execution persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Badlisted process makes network request
Family: Formbook
Formbook payload
Process spawned unexpected child process
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:OBFUS_PowerShell_Common_Replace
Author:SECUINFRA Falcon Team
Description:Detects the common usage of replace for obfuscation
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)

File information


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

Comments