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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 669b6cd5e5fc9cd98ec07dfeff5ccd0852537f2e72b95189533571e5b246a701. 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 27 File information Comments

SHA256 hash: 669b6cd5e5fc9cd98ec07dfeff5ccd0852537f2e72b95189533571e5b246a701
SHA3-384 hash: b850312e0b7851aaba1487de2afa3527a835a106646d36ff3554e7e5a63d95e80eb5cdb0346e67aa659048caf39147be
SHA1 hash: d907f0255a718d7f0f2f8218a98b4e938e0b9dc6
MD5 hash: 7c2a289c6dd5c21ba01493451b755aee
humanhash: blue-papa-fifteen-nuts
File name:A1NONAME.ps1
Download: download sample
Signature Formbook
File size:1'530'750 bytes
First seen:2026-11-03 16:39:27 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:2RkKHbZyHctxZtKU8lWDNACSz2vKDqzpJxkfa+NYjm:2KSf+0u
TLSH T1AC65235A890D92EB0D20F1F3A15EAC9978D947D38D096789036E077836F48F9CBA7C71
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating synchronization primitives
Sending a custom TCP request
Unauthorized injection to a system process
Verdict:
Malicious
File Type:
ps1
First seen:
2026-11-02T12:44:00Z UTC
Last seen:
2026-11-05T06:10:00Z UTC
Hits:
~10
Result
Threat name:
FormBook, PSLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
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)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Powershell decode and execute
Yara detected PSLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1997566 Sample: A1NONAME.ps1 Startdate: 03/11/2026 Architecture: WINDOWS Score: 100 31 www.bempons.xyz 2->31 33 azone0913order.fq5uyfsb384w.com 2->33 35 7 other IPs or domains 2->35 59 Suricata IDS alerts for network traffic 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 Yara detected PSLoader 2->63 67 4 other signatures 2->67 8 powershell.exe 20 2->8         started        11 W7w2BWQXiUL7.exe 2->11 injected 13 EQoBW2soxD.exe 2->13 injected signatures3 65 Performs DNS queries to domains with low reputation 31->65 process4 dnsIp5 69 Writes to foreign memory regions 8->69 71 Injects a PE file into a foreign processes 8->71 16 aspnet_compiler.exe 8->16         started        19 MpCmdRun.exe 1 8->19         started        21 conhost.exe 8->21         started        25 31 other processes 8->25 23 prevhost.exe 13 11->23         started        37 azone0913order.fq5uyfsb384w.com 156.234.67.111, 49742, 80 YANCYLIMITED-AS-HKYancyLimitedHK Hong Kong SAR China 13->37 39 parking.d.parity.domains 2.59.170.19, 80 WORLDSTREAMNL Netherlands 13->39 41 3 other IPs or domains 13->41 signatures6 process7 signatures8 43 Maps a DLL or memory area into another process 16->43 45 Queues an APC in another process (thread injection) 16->45 47 Unusual module load detection (module proxying) 16->47 49 Found direct / indirect Syscall (likely to bypass EDR) 16->49 27 conhost.exe 19->27         started        51 Tries to steal Mail credentials (via file / registry access) 23->51 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 55 Modifies the context of a thread in another process (thread injection) 23->55 57 Switches to a custom stack to bypass stack traces 23->57 29 firefox.exe 23->29         started        process9
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
PowerShell T1059.001
Threat name:
Script-PowerShell.Backdoor.Remcos
Status:
Malicious
First seen:
2026-11-03 01:05:34 UTC
File Type:
Text (PowerShell)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Behaviour
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: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Badlisted process makes network request
Family: Formbook
Formbook payload
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:telebot_framework
Author:vietdx.mb
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WIN_Malware_SalatStealer_ForgeAuto_542e717b
Author:Marjoriefort
Description:Detects SalatStealer (pe, etat binaire)
Rule name:WIN_Malware_Sliver_ForgeAuto_2ddb463c
Author:Marjoriefort
Description:Detects Sliver (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_5001c94c
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_ce8c5b46
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_ValleyRAT_ForgeAuto_401c5e16
Author:Marjoriefort
Description:Detects ValleyRAT (pe, etat binaire)

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 669b6cd5e5fc9cd98ec07dfeff5ccd0852537f2e72b95189533571e5b246a701

(this sample)

  
Delivery method
Distributed via web download

Comments