MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dd5b33f1ddc0d3ff4d19f7856c22fb30763d5135cdd72271aa71e48069c8e99. 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 4 File information Comments

SHA256 hash: 1dd5b33f1ddc0d3ff4d19f7856c22fb30763d5135cdd72271aa71e48069c8e99
SHA3-384 hash: 7781113e844a9b68ebec651fa6ea9b85f4711a9413919db226e7536a09bc7b7ef6e5dcd06d263f54e91af78b9b043e10
SHA1 hash: dc7b8dd5c3211db50f14bd412c6ffa3d5f8a3d58
MD5 hash: 7989e222ac1ff4a70bd29b211b3427b0
humanhash: quiet-skylark-lamp-iowa
File name:johnn.ps1
Download: download sample
Signature Formbook
File size:1'488'457 bytes
First seen:2026-02-18 09:30:22 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:Xtc/gaDiCZXfEoWwDdq/rDDNzBar7Ee54DsFFsJKY0h2/n2yzvMnL5YEb:XtZaDHuYq/rdgrwEvFpTh2/1L2
TLSH T1D0652330CD289C69464C22AAA4EA6F486A508F479C1D70493FDC91CD4F1F28F167F6EE
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
46
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
99.9%
Tags:
vmdetect
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm powershell
Result
Gathering data
Result
Threat name:
MATRIX Crypter
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
AI detected malicious Powershell script
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected MATRIX Crypter
Behaviour
Behavior Graph:
Gathering data
Threat name:
Script-PowerShell.Trojan.XWorm
Status:
Malicious
First seen:
2026-02-18 01:06:29 UTC
AV detection:
6 of 38 (15.79%)
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
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: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: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 1dd5b33f1ddc0d3ff4d19f7856c22fb30763d5135cdd72271aa71e48069c8e99

(this sample)

  
Delivery method
Distributed via web download

Comments