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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70. 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: 11


Intelligence 11 IOCs YARA 17 File information Comments
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SHA256 hash: 463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70
SHA3-384 hash: ff647e255d29117648d93af7b7ab159cc6f8151cf565b0c094be1cfdae740b1c669b2742b06bae4cdda2550f0203f105
SHA1 hash: c179abca9c094a709959aeddc6ec34bd41f317f1
MD5 hash: 1a3ae54470f56eaac2c213865aea1148
humanhash: dakota-spaghetti-cola-bluebird
File name:AKCRYPTED_STUB.ps1
Download: download sample
Signature Formbook
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File size:2'244'048 bytes
First seen:2026-09-23 08:18:29 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:CO8ES5S1TeQPJEILqddgbgWYXRqmx3PYhV/IngmOUfIpPC1qMDMxVd:B
TLSH T146A5C4C0FB4141956A4E4BB6AA3166361270C44B18CF781DAA82DDFB13333E7ED66F91
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32053.BadPs1.UNOFFICIAL
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Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 base64 encrypted evasive lolbin obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/6ab38b87fee738fa14bfc540/reports/7607a6c0-23ad-45c4-9e0f-8abfdb9c5242/overview
Verdict:
Malicious
Labled as:
PowerShell/Kryptik.NM trojan
Link:
https://www.hybrid-analysis.com/sample/463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70
Verdict:
Malicious
File Type:
ps1
First seen:
2026-09-22T01:00:00Z UTC
Last seen:
2026-09-24T18:32:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70/results?tab=lookup
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1976593
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected malicious Powershell script
Found direct / indirect Syscall (likely to bypass EDR)
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)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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: 1976593 Sample: AKCRYPTED_STUB.ps1 Startdate: 23/09/2026 Architecture: WINDOWS Score: 100 30 www.mewefin.xyz 2->30 32 www.yousayi.com 2->32 34 23 other IPs or domains 2->34 42 Suricata IDS alerts for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 50 6 other signatures 2->50 10 powershell.exe 20 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 30->48 process4 signatures5 60 Writes to foreign memory regions 10->60 62 Sample uses process hollowing technique 10->62 64 Injects a PE file into a foreign processes 10->64 13 aspnet_compiler.exe 10->13         started        16 aspnet_compiler.exe 10->16         started        18 conhost.exe 10->18         started        20 32 other processes 10->20 process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 13->66 68 Maps a DLL or memory area into another process 13->68 70 Queues an APC in another process (thread injection) 13->70 72 Found direct / indirect Syscall (likely to bypass EDR) 13->72 22 HGtxVKEkym.exe 13->22 injected 74 Unusual module load detection (module proxying) 16->74 76 Switches to a custom stack to bypass stack traces 16->76 process8 dnsIp9 36 hoki138zeus.com 217.174.152.119, 49755, 49756, 49757 TELEHOUSE-ASBG Bulgaria 22->36 38 daniellepassos.online 108.179.193.74, 49730, 49731, 49732 ORACLE-BMC-31898-OracleCorporationUS Brazil 22->38 40 12 other IPs or domains 22->40 25 cmdkey.exe 13 22->25         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 25->52 54 Tries to harvest and steal browser information (history, passwords, etc) 25->54 56 Modifies the context of a thread in another process (thread injection) 25->56 58 3 other signatures 25->58 28 firefox.exe 25->28         started        process12
Score:
87%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
PowerShell T1059.001
Link:
https://app.malva.re/file/1a3ae54470f56eaac2c213865aea1148
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70/
Threat name:
Win32.Trojan.Qwexlafiba
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Status:
Malicious
First seen:
2026-09-22 08:51:34 UTC
File Type:
Text (PowerShell)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyzhl5ftllqngwbvliinbm5vehil4qq75456yi6wwg7btyne5rya._file
Verdict:
malicious
Label(s):
Formbook
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Link:
https://reports.threatray.com/78bab3fe-d176-4a84-ad69-3f148306ff6d
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook adware collection discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260923-j72kgazfkb/
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.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__GlobalFlags
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
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Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
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Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
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Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
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Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_no_import_table
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Description:Detect pe file that no import table
Rule name:RANSOMWARE
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Author:ToroGuitar
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
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Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
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Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
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Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/

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 463275f4b35ae0d358355a10d0b3b521d0be421fef3bec23d6b1be19e1a4ec70

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3921025/
  
Delivery method
Distributed via web download

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