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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9
SHA3-384 hash: 812f9e3b27b9fbe217ba93b3ebb36697e5959d7b3a7e1ad5e29053784d79ffbf6fa024491c22213d1e357c81136fcdc9
SHA1 hash: 5f03b8ef911d26c678893384c9aa2bdcba1856e9
MD5 hash: 49691d1850cd28e09e732c7e00037ded
humanhash: angel-delaware-cold-happy
File name:TEKNİK RESİM BİLGİ SAYFASI 7953-0053_110_AA 9100052982.wsf
Download: download sample
Signature Formbook
Create hunting rule
File size:23'618 bytes
First seen:2026-09-29 12:29:31 UTC
Last seen:Never
File type:wsf WSF
MIME type:text/xml
ssdeep 384:lRDEWt9mTNSW07DXcr+yIRUgyREQZutJIBBVjXpt1VCOBEKYO/imhts0wU3YaBbO:lRDEWt9mTRkXI+yIRUNREQZutJIBBVjK
TLSH T193B2ED045C82748453336B3AB31BA8D9FBB64A6B0084494BB53CB5949FF2D0EDED0CB9
Magika html
Reporter lowmal3
Tags:FormBook wsf

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.JS.Obfus-2681.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ace3183853d431abd4e3a79
Tags:
virus agent
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
encrypted evasive
Link:
https://www.filescan.io/uploads/6abbaf65fe999605f03ceab7/reports/dc19bd03-debe-4ba5-95e6-0c6bf93d4d2a/overview
Verdict:
Malicious
Labled as:
GT:JS.Acsogenixx.6479
Link:
https://www.hybrid-analysis.com/sample/fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9
Verdict:
Malicious
File Type:
wsf
First seen:
2026-09-29T08:15:00Z UTC
Last seen:
2026-10-01T08:52:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1979445
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious PowerShell Parameter Substring
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected Generic JS Downloader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1979445 Sample: TEKN#U0130K RES#U0130M B#U0... Startdate: 29/09/2026 Architecture: WINDOWS Score: 100 44 spotliofindoram.com 2->44 46 yinhe2.top 2->46 48 13 other IPs or domains 2->48 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 7 other signatures 2->66 8 wscript.exe 21 2->8         started        13 kteQcmUAINrF.exe 2->13 injected 15 yGaSNE4QU.exe 2->15 injected 17 2 other processes 2->17 signatures3 process4 dnsIp5 52 reinigung-kosanke.de 202.61.233.234, 443, 49714 NETCUP-ASnetcupGmbHDE Germany 8->52 42 C:\Temp\QZPHHF91.ps1, ASCII 8->42 dropped 82 System process connects to network (likely due to code injection or exploit) 8->82 84 Wscript starts Powershell (via cmd or directly) 8->84 86 Bypasses PowerShell execution policy 8->86 92 3 other signatures 8->92 19 powershell.exe 15 8->19         started        88 Maps a DLL or memory area into another process 13->88 90 Found direct / indirect Syscall (likely to bypass EDR) 13->90 22 w32tm.exe 13 13->22         started        24 w32tm.exe 13 15->24         started        54 spotliofindoram.com 161.97.176.42, 49716, 49719, 49720 CONTABODE Germany 17->54 56 2.59.170.19, 80 WORLDSTREAMNL Netherlands 17->56 58 5 other IPs or domains 17->58 file6 signatures7 process8 signatures9 68 Writes to foreign memory regions 19->68 70 Injects a PE file into a foreign processes 19->70 26 aspnet_compiler.exe 19->26         started        29 aspnet_compiler.exe 19->29         started        31 aspnet_compiler.exe 19->31         started        40 21 other processes 19->40 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Modifies the context of a thread in another process (thread injection) 22->74 76 Maps a DLL or memory area into another process 22->76 80 2 other signatures 22->80 33 chrome.exe 22->33         started        35 firefox.exe 22->35         started        78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 37 chrome.exe 24->37         started        process10 dnsIp11 94 Modifies the context of a thread in another process (thread injection) 26->94 96 Maps a DLL or memory area into another process 26->96 98 Queues an APC in another process (thread injection) 26->98 100 Found direct / indirect Syscall (likely to bypass EDR) 29->100 102 Unusual module load detection (module proxying) 31->102 104 Switches to a custom stack to bypass stack traces 31->104 50 www.wakilom.info 198.54.112.138, 49764, 49765, 49766 NAMECHEAP-NET-NamecheapIncUS United States 37->50 signatures12
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9
Verdict:
Malware
YARA:
3 match(es)
Tags:
Html Javascript T1059.007 WSF File
Link:
https://app.malva.re/file/49691d1850cd28e09e732c7e00037ded
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9/
Threat name:
Script-JS.Backdoor.Acsogenixx
Create hunting rule
Status:
Malicious
First seen:
2026-09-29 12:30:31 UTC
File Type:
Text (XML)
Extracted files:
1
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ohlh4mbipsbik3ty7yyc4gnmnzw4pcvjj6fgoaytgscxkumvdmq._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/699cc4f5-26e7-42ab-864e-7f637f3b350a
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware collection defense_evasion discovery execution privilege_escalation rat spyware stealer trojan
Link:
https://tria.ge/reports/260929-ppp2lszelf/
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
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Enumerates connected drives
Checks computer location settings
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fb8eb3f18143e4142b73c7f18170cd63736e3c554a7c53381899a42baa8ca8d9

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:SUSP_obfuscated_JS_obfuscatorio
Create hunting rule
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
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.

Comments