MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba
SHA3-384 hash: 2176a39a9f31f870b45203b8eacada9fe79f2c3a386e3886e73dc8a4032ae2e8e1c1cdfe4966ec542cadb7c472132107
SHA1 hash: bfb18a7b4e40806d195680102dc8aabe17ac4cdf
MD5 hash: 09b3cfaae0b2185c018ae2f4f4926f22
humanhash: cup-carpet-edward-wisconsin
File name:BU560.js
Download: download sample
Signature Formbook
Create hunting rule
File size:531'802 bytes
First seen:2026-08-13 11:31:12 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 12288:776IVDznmhXWFOiLmh5Z8gS1m143JcvhMLAFMD4ty2PrK+mWE0kWW1tMGer2c1KS:7L4+3/JYnZz4KaQBhUOdxdAWiY
TLSH T1C0B4421E1D4C392960109102E74557A0DC2F9E3BBFCE8BC6039D86AC87D9C7879E79DA
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Magika autohotkey
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
aes base64 base64 crypto evasive lolbin obfuscated overlay persistence powershell repaired wscript
Link:
https://www.filescan.io/uploads/6a7dab19307f3017a895f5a6/reports/f843e7c7-e132-491d-a5df-28398693062a/overview
Verdict:
Suspicious
Labled as:
JS/Agent.EVW
Link:
https://www.hybrid-analysis.com/sample/0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba
Verdict:
Malicious
File Type:
js
First seen:
2026-08-12T19:15:00Z UTC
Last seen:
2026-08-15T09:13:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Agent.sb HEUR:Trojan.Script.SAgent.gen Trojan.VBS.SAgent.sb Trojan.JS.SAgent.sb Trojan-Downloader.JS.Cryptoload.sb HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba/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/1957466
Signature
AI detected malicious Powershell script
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates a thread in another existing process (thread injection)
Early bird code injection technique detected
Found direct / indirect Syscall (likely to bypass EDR)
JScript performs obfuscated calls to suspicious functions
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
Potential evasive JS / VBS script found (domain check)
Queues an APC in another process (thread injection)
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957466 Sample: BU560.js Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 92 www.tahquitzinn.com 2->92 94 www.qenie.se 2->94 96 6 other IPs or domains 2->96 116 Suricata IDS alerts for network traffic 2->116 118 Malicious sample detected (through community Yara rule) 2->118 120 Antivirus detection for URL or domain 2->120 122 10 other signatures 2->122 14 wscript.exe 1 10 2->14         started        18 wscript.exe 1 2->18         started        signatures3 process4 file5 78 C:\Users\user\AppData\Local\...\8oqmsri208gb, ASCII 14->78 dropped 80 C:\Users\user\AppData\Local\...\8oqmsri208ga, ASCII 14->80 dropped 82 C:\Users\user\AppData\...\8oqmsri208g.vbs, ASCII 14->82 dropped 84 3 other malicious files 14->84 dropped 164 JScript performs obfuscated calls to suspicious functions 14->164 166 Suspicious powershell command line found 14->166 168 Wscript starts Powershell (via cmd or directly) 14->168 172 5 other signatures 14->172 20 wscript.exe 1 14->20         started        170 WScript reads language and country specific registry keys (likely country aware script) 18->170 23 wscript.exe 6 18->23         started        signatures6 process7 file8 124 Suspicious powershell command line found 20->124 126 Wscript starts Powershell (via cmd or directly) 20->126 128 WScript reads language and country specific registry keys (likely country aware script) 20->128 26 powershell.exe 14 15 20->26         started        70 C:\Users\user\AppData\Local\...\1hrgmsri228zb, ASCII 23->70 dropped 72 C:\Users\user\AppData\Local\...\1hrgmsri228za, ASCII 23->72 dropped 74 C:\Users\user\AppData\...\1hrgmsri228z.vbs, ASCII 23->74 dropped 76 C:\Users\user\AppData\...\1hrgmsri228z.ps1, ASCII 23->76 dropped 130 Windows Shell Script Host drops VBS files 23->130 30 wscript.exe 1 23->30         started        signatures9 process10 dnsIp11 98 glbeletronica.com.br 191.252.37.9, 443, 49747, 49748 LocawebServicosdeInternetSABR Brazil 26->98 142 Early bird code injection technique detected 26->142 144 Writes to foreign memory regions 26->144 146 Maps a DLL or memory area into another process 26->146 148 Queues an APC in another process (thread injection) 26->148 32 csc.exe 26->32         started        35 conhost.exe 26->35         started        150 Suspicious powershell command line found 30->150 152 Wscript starts Powershell (via cmd or directly) 30->152 154 WScript reads language and country specific registry keys (likely country aware script) 30->154 37 powershell.exe 15 30->37         started        signatures12 process13 signatures14 100 Maps a DLL or memory area into another process 32->100 102 Creates a thread in another existing process (thread injection) 32->102 39 WFHocai1BwgyZ7b8kPkEcc.exe 32->39 injected 42 WerFault.exe 3 21 32->42         started        104 Early bird code injection technique detected 37->104 106 Writes to foreign memory regions 37->106 44 ilasm.exe 37->44         started        46 conhost.exe 37->46         started        process15 signatures16 132 Maps a DLL or memory area into another process 39->132 134 Found direct / indirect Syscall (likely to bypass EDR) 39->134 48 regsvr32.exe 39->48         started        51 regsvr32.exe 39->51         started        136 Creates a thread in another existing process (thread injection) 44->136 53 WerFault.exe 44->53         started        process17 signatures18 108 Modifies the context of a thread in another process (thread injection) 48->108 110 Maps a DLL or memory area into another process 48->110 112 Unusual module load detection (module proxying) 48->112 114 Switches to a custom stack to bypass stack traces 48->114 55 Dywn9BCF7.exe 48->55 injected 58 tgJsKbWVEj.exe 51->58 injected process19 signatures20 138 Maps a DLL or memory area into another process 55->138 140 Found direct / indirect Syscall (likely to bypass EDR) 55->140 60 SearchProtocolHost.exe 55->60         started        63 SearchProtocolHost.exe 58->63         started        process21 signatures22 156 Tries to steal Mail credentials (via file / registry access) 60->156 158 Tries to harvest and steal browser information (history, passwords, etc) 60->158 160 Modifies the context of a thread in another process (thread injection) 60->160 162 3 other signatures 60->162 65 GlNpyO4tkW6o2.exe 60->65 injected 68 firefox.exe 60->68         started        process23 dnsIp24 86 www.mustlondon.com 212.237.249.17, 49758, 49759, 49760 TEAM-BLUE-DENMARKDK Denmark 65->86 88 www.tahquitzinn.com 154.194.144.167, 49768, 49769, 49770 OWGELS-AS-APOWGELSINTERNATIONALCOLIMITEDHK Hong Kong SAR China 65->88 90 5 other IPs or domains 65->90
Score:
83%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-13 01:41:51 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b5ircxthv5f3zucctuzw5lhahqh24slziur5mg6dg2pfhqss5k5a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260813-nm3z1sad65/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Family: Formbook
Formbook payload
Suspicious use of NtCreateUserProcessOtherParentProcess
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/0f51115e67af4bbcd0429d336eace03c0fae49794523d61bc3369e53c252eaba

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments