MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549
SHA3-384 hash: cdfbc90163f1a3c30ce60630a9a2caa6d1131ab1291bb7bd034aa30ecbb7980e46f0e57a570aa1031061375cdc1c42f2
SHA1 hash: 7b70cb4295efad09200dfc0ad0c9ed68e03f6837
MD5 hash: a6e14cc39fb340448201aa581bb18318
humanhash: robert-jersey-thirteen-don
File name:ENCRYPTED.ps1.ps1
Download: download sample
Signature Formbook
Create hunting rule
File size:1'418'867 bytes
First seen:2026-01-15 09:04:53 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:XuDCnXxhtfujnyZBjOHOB14PCnFxzObvR27aQ6TGNHeWYPg6MOT4:1wuxkP2k0uBTGcvPT4
Threatray 2'533 similar samples on MalwareBazaar
TLSH T18D6523C62C597B6B8F348B3D219B1F8BB9D24991544020DA33AED8E31F3B641893FD65
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6968adec57243ef151cd4469
Tags:
ransomware
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 evasive lolbin obfuscated obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/6968addf3827c9e1249f6323/reports/78200bda-0ea4-43d9-96be-6d29af10cd7d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549
Result
Gathering data
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1851204
Signature
AI detected malicious Powershell script
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851204 Sample: ENCRYPTED.ps1.ps1 Startdate: 15/01/2026 Architecture: WINDOWS Score: 100 37 www.yaliro.xyz 2->37 39 s3.ueyzqqnhdwf.top 2->39 41 8 other IPs or domains 2->41 49 Suricata IDS alerts for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Yara detected FormBook 2->53 57 4 other signatures 2->57 11 powershell.exe 22 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 37->55 process4 signatures5 67 Writes to foreign memory regions 11->67 69 Injects a PE file into a foreign processes 11->69 14 aspnet_compiler.exe 11->14         started        17 aspnet_compiler.exe 11->17         started        19 conhost.exe 11->19         started        21 28 other processes 11->21 process6 signatures7 71 Maps a DLL or memory area into another process 14->71 23 iWtTaDFL0.exe 14->23 injected 73 Unusual module load detection (module proxying) 17->73 process8 process9 25 unlodctr.exe 13 23->25         started        signatures10 59 Tries to steal Mail credentials (via file / registry access) 25->59 61 Tries to harvest and steal browser information (history, passwords, etc) 25->61 63 Modifies the context of a thread in another process (thread injection) 25->63 65 4 other signatures 25->65 28 5EKApOyqlJ7FzG.exe 25->28 injected 31 chrome.exe 25->31         started        33 firefox.exe 25->33         started        process11 dnsIp12 43 s3.ueyzqqnhdwf.top 43.226.78.180, 49708, 49709, 49710 CHINANET-LIAONING-DALIAN-MANCHINANETLiaoningprovinceDali China 28->43 45 all.365jia.cn.w.kunluncan.com 61.160.192.98, 49696, 49697, 49698 CHINANET-JS-AS-APASNumberforCHINANETjiangsuprovinceba China 28->45 47 4 other IPs or domains 28->47 35 WerFault.exe 4 31->35         started        process13
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549/
Verdict:
Susipicious
Link:
https://tip.neiki.dev/file/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4lsryqqvyjz3rh2b4mmon6rmhnwfmmx5dc6fdrikq5sxqduuveq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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dc868203fe63fc8e75865fcfe43849fc1a4fd6a845416dee9497834b158669eb
Formbook
error
Formbook
+ 2'523 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260115-k2hqvahy4f/
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
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.

Web download

Formbook

PowerShell (PS) ps1 571728e210ae139dc4fa0f18c737d161db62b197e8c5e28e28543b2bc074a549

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3758305/
  
Delivery method
Distributed via web download

Comments