MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c33867dc949047da5312c05389f6b550e951543f7c82a55b240628cfad2a94df. 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 12 File information Comments

SHA256 hash: c33867dc949047da5312c05389f6b550e951543f7c82a55b240628cfad2a94df
SHA3-384 hash: c348483e52dcb8d262d180e6a583e92558d941f84a66cea854bd1af7ae847fed17d41860d9dc0642fb5b328b77ef0880
SHA1 hash: e26cb0e6afd7303c687385541f9dd3fded764045
MD5 hash: 93ff293158acf400698bd07c71cecf43
humanhash: tango-fix-stairway-arkansas
File name:sea.ps1
Download: download sample
Signature Formbook
File size:1'453'428 bytes
First seen:2025-10-21 10:23:49 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:/fcU+ccjh6bX0MrOPEXPeUI8gohKoBIdpXLJ3nOX8SuQdQ2ifbRzP2tzD10v:/Pl59FG7nOX8L7RbozDy
Threatray 83 similar samples on MalwareBazaar
TLSH T1AF652311C443649C149CB32E76A97BB427D1CF6201B20B9FBBC6B959D14EB1A720F4BD
Magika powershell
Reporter ShadowOpCode
Tags:213-209-157-234 FormBook ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Tags:
ransomware vmdetect spawn virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 evasive krypt lolbin obfuscated reconnaissance
Verdict:
Malicious
File Type:
ps1
First seen:
2025-10-20T11:42:00Z UTC
Last seen:
2025-10-22T03:42:00Z UTC
Hits:
~10
Detections:
UDS:DangerousObject.Multi.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.InjectorNetT.s Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Delays execution with timeout.exe
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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 c33867dc949047da5312c05389f6b550e951543f7c82a55b240628cfad2a94df

(this sample)

  
Delivery method
Distributed via web download

Comments