MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1. 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 6 File information Comments
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SHA256 hash: b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1
SHA3-384 hash: 619474b1eb1d693503e4b2dc9c7edd46f5b1d61d6cc131034fed0440781deec056b859728a7fab78dad6a79901984c4e
SHA1 hash: bf2a2567a59641bea298788c2ab3f30a4b0e2210
MD5 hash: 974858e99bf815107813cec49c795bfd
humanhash: pasta-indigo-edward-earth
File name:Encrypted_Script.ps1
Download: download sample
Signature Formbook
Create hunting rule
File size:1'420'071 bytes
First seen:2025-12-04 21:01:13 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:1bJ0biKD+5xhabn2E8UVAALHtUsD3foM5Vo836zqEfwc8lEeEknpVBX7Ulu4:1bpW7hLbfLVo83KdulhRku4
Threatray 2'246 similar samples on MalwareBazaar
TLSH T16C6523509DBE7F5B45EC173A209F6F4D58E58BC98080BAE272DE69E20F797C4C207425
Magika powershell
Reporter abuse_ch
Tags:FormBook ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Other.Malware-gen.82799482.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6931f6b2221589dfd96c1c36
Tags:
ransomware virus shell
Verdict:
Malicious
Labled as:
Adware.Generic
Link:
https://www.hybrid-analysis.com/sample/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1
Verdict:
Malicious
File Type:
ps1
First seen:
2025-12-01T02:18:00Z UTC
Last seen:
2025-12-04T18:26:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Win32.Noon.sb Trojan.Win32.InjectorNetT.s Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1826802
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)
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)
Uses shutdown.exe to shutdown or reboot the system
Writes to foreign memory regions
Yara detected FormBook
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1826802 Sample: Encrypted_Script.ps1 Startdate: 04/12/2025 Architecture: WINDOWS Score: 100 35 www.merlio.life 2->35 37 www.futureinvestlab.com 2->37 39 14 other IPs or domains 2->39 53 Suricata IDS alerts for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Yara detected FormBook 2->57 59 6 other signatures 2->59 10 powershell.exe 22 2->10         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 61 Writes to foreign memory regions 10->61 63 Injects a PE file into a foreign processes 10->63 16 aspnet_compiler.exe 10->16         started        19 aspnet_compiler.exe 10->19         started        21 conhost.exe 10->21         started        23 19 other processes 10->23 41 127.0.0.1 unknown unknown 13->41 signatures6 process7 signatures8 49 Maps a DLL or memory area into another process 16->49 25 Qh2JsQFa0G1W.exe 16->25 injected 51 Unusual module load detection (module proxying) 19->51 process9 process10 27 shutdown.exe 13 25->27         started        signatures11 65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 27->67 69 Modifies the context of a thread in another process (thread injection) 27->69 71 4 other signatures 27->71 30 yBXet2RPMHYV.exe 27->30 injected 33 firefox.exe 27->33         started        process12 dnsIp13 43 tisvbz.114dodcqczey.com 156.247.39.134, 49703, 49713, 49714 PEGTECHINCUS Seychelles 30->43 45 millingart.com 84.32.84.32, 49717, 49718, 49719 NTT-LT-ASLT Lithuania 30->45 47 6 other IPs or domains 30->47
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Link:
https://app.malva.re/file/974858e99bf815107813cec49c795bfd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 04:35:43 UTC
File Type:
Text (PowerShell)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcoia2a5cnfc2b3mjelzgbcorbs2gswp566inlelm3tttjmfyxqq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1f49a149f8a033e4d363aa8ab3bd5062aa2a096b121b0e925e799fd58f6ae367
Formbook
2032192834795c035bf9cffc7c0244d4227a5c30b3cb38799afa5416183ecca9
Formbook
37c810d524a8db830dbb9d12d5d918802d3c85619d58810d04fc95232ec393ce
Formbook
5c14649f341b72c153a02cc99d0852f7b0ded81f67a6513af7d188dfdce5a53e
Formbook
65a9420eb0bf4f37470b4e8932956df369ce6d75819aac48a7e69ceb308f122c
Formbook
7e2f600443bbc2848ee277e188f5b7095d6c203d8e023a84224ba8dbb3532234
Formbook
833005a44107a2b32181f8a038fb7bc267df6648f0b94dc4a26cd295021b2cb7
Formbook
8c9fd9ea38c16b4b38039c60d03c499aff67451f6fcd00d56abd4c81a6f2c3c2
Formbook
cab82749acbaf6bab5ad3c2bb077bac408ae9d1e798e54b8599ca2ce12c88311
Formbook
dd034a80f251782753941815e24c0aab4418944c71331e2367baaa7ac6a32b4e
Formbook
error
Formbook
+ 2'236 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/251204-zt42faej4z/
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/b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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 b09c80681d134a2d076c491793044e8865a34acfefbc86ac8b66e739a585c5e1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3724435/
  
Delivery method
Distributed via web download

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