MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a
SHA3-384 hash: b915f66ace0258429622070abe87945d0f7847494f1c1219177ef5c73153438c7f3badfe1353d0432c9be57817dc394d
SHA1 hash: 64b095286330dcc1c458ab315284de900f82559a
MD5 hash: 9349d7e197b4dda3308e83c544f94111
humanhash: blossom-wisconsin-kilo-july
File name:sirrrrdeee.ps1
Download: download sample
Signature Formbook
Create hunting rule
File size:1'439'093 bytes
First seen:2025-11-04 08:27:59 UTC
Last seen:2026-02-04 05:06:16 UTC
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:vKNROrjl0qt7tM4w7HRfmM6PKn81N7XN4iaW2MwOmEoaBEba4:iCnOqrMbmdp1FPKaB6a4
Threatray 2'188 similar samples on MalwareBazaar
TLSH T10D6533105E64BD7DDE2CC42C247FDF0C8B61ADE4D149B9BA72E462C7176E7862E03225
Magika powershell
Reporter abuse_ch
Tags:147-124-222-89 FormBook ps1

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6909b9459942f1282ecbe1c2
Tags:
ransomware virus shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aspnet_compiler base64 evasive krypt lolbin obfuscated obfuscated powershell reconnaissance
Link:
https://www.filescan.io/uploads/6909bb4c85b61a93a7338402/reports/8f825efd-8b86-4016-b10c-39c7338e1d5e/overview
Verdict:
Malicious
Labled as:
PowerShell/Agent.DMX trojan
Link:
https://www.hybrid-analysis.com/sample/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a
Verdict:
Malicious
File Type:
ps1
First seen:
2025-10-31T07:17:00Z UTC
Last seen:
2025-11-05T10:18:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.InjectorNetT.s Trojan.Win32.Agent.sb
Link:
https://opentip.kaspersky.com/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a/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/1807505
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)
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)
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: 1807505 Sample: sirrrrdeee.ps1 Startdate: 04/11/2025 Architecture: WINDOWS Score: 100 37 www.yieldbfv.xyz 2->37 39 zhcomics.com 2->39 41 13 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 Multi AV Scanner detection for submitted file 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 conhost.exe 11->17         started        19 aspnet_compiler.exe 11->19         started        21 12 other processes 11->21 process6 signatures7 71 Maps a DLL or memory area into another process 14->71 23 xgblkvN4CE.exe 14->23 injected process8 process9 25 resmon.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 3 other signatures 25->65 28 itTaBw05cKESq.exe 25->28 injected 31 chrome.exe 25->31         started        33 firefox.exe 25->33         started        process11 dnsIp12 43 zhcomics.com 162.144.15.77, 49708, 49709, 49710 UNIFIEDLAYER-AS-1US United States 28->43 45 dubaistill.com 78.155.192.98, 49712, 49713, 49714 SELECTEL-MSKRU Russian Federation 28->45 47 10 other IPs or domains 28->47 35 WerFault.exe 4 31->35         started        process13
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Link:
https://app.malva.re/file/9349d7e197b4dda3308e83c544f94111
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a
Threat name:
Script-PowerShell.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2025-10-31 13:02:33 UTC
File Type:
Text (PowerShell)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvvvpd6fwzcc57n2x7ajhabz5ka75okhwp5nm36givpisf6krzva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
268b6fdc221050949a2b624983380cd3fb268fecef2f5bb3a15d91611f3d8092
Formbook
4c43b309ba3f6388617f713f68150812c71bf42bbb6de40399082fca221bc336
Formbook
5de40cb80d71ff5cabc77ed1ae871532f78c3a74823c92e0a54ed1a8fd062297
Formbook
75dfbb18396808592a7b46045f58a499b13169b13c75efa51f5c715d1d3f03e2
Formbook
8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a
Formbook
87e71f3ca2dfb03fba86134301f3f5d8e0001b6e2668b37bdc6bbdb85fb82513
Formbook
cb4788741b2c7792c25c956a4c2dab349fed2e93c175cc79c112d6faf95ec8bd
Formbook
da454ebae3e171d8adb872f940d08d614cabfea8bd9a340def597abaf5a90879
Formbook
e5736df87221b67a2e2a614374e1d6353043b95e08448ea9260e103ab18a5c8d
Formbook
error
Formbook
f09f4b940847bf5c83277322ac6c73c2a6f50efc3ac0c0d606928bc917a35c52
Formbook
+ 2'178 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/251104-khhxhasjhz/
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/bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a

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: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 bd6b578fc5b6442efdbabfc0938039ea81feb947b3fad66fc6455e8917ca8e6a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3694894/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3696929/

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