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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79
SHA3-384 hash: 26e6012bb7ef9d80ffae4c8a03c1380b0af3d61fc233a3f2838b5becbcb7d1fbc5a38d20f489654f32b13e38ef65e5d8
SHA1 hash: 2550c964f564f6235298acb0011c75e108f4c486
MD5 hash: 3e145a5d3c7d6e66cbf4e7981960db57
humanhash: sodium-single-red-hotel
File name:IMG_1200000_26_10_2026.js
Download: download sample
Signature Formbook
Create hunting rule
File size:19'665 bytes
First seen:2026-10-27 03:55:25 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:oCukXwZrHbc/CukXwZrHbc/CukXwZrHbcZw3P6jgZvDZLaCukXwZrHbc/CukXwZk:oVKwZr7c/VKwZr7c/VKwZr7cZw3yjg96
TLSH T1B89263A464E4D7D8142BA1E352B5B751D34E089FB1057BDDE04C6FCCB8AEE8866A730C
Magika c
Reporter threatcat_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
177
Origin country :
CH CH
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ae020e054c991916bf7016d
Tags:
autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
downloader evasive obfuscated repaired
Link:
https://www.filescan.io/uploads/6ae020dd0679e1ec65f6585f/reports/7d75c0e4-41e4-49c2-b098-ac62bcd1b8ec/overview
Verdict:
Suspicious
Labled as:
PowerShell/Downloader.J suspicious application
Link:
https://www.hybrid-analysis.com/sample/015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79
Verdict:
Malicious
File Type:
js
First seen:
2026-10-26T19:50:00Z UTC
Last seen:
2026-10-29T01:13:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79/results?tab=lookup
Result
Threat name:
Koadic, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1992287
Signature
Command shell drops VBS files
Creates an undocumented autostart registry key
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
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
Queries DNS domain through GetComputerNameExW (potential sandbox evasion)
Queues an APC in another process (thread injection)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Legitimate Application Dropped Archive
Sigma detected: Legitimate Application Dropped Executable
Sigma detected: Potential Persistence Via Logon Scripts - CommandLine
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Ping/Del Command Combination
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
WScript reads language and country specific registry keys (likely country aware script)
Yara detected FormBook
Yara detected Koadic BAT payload
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1992287 Sample: IMG_1200000_26_10_2026.js Startdate: 27/10/2026 Architecture: WINDOWS Score: 100 69 www.powpop.xyz 2->69 71 www.zqcpjcjsq9.com.cn 2->71 73 9 other IPs or domains 2->73 91 Suricata IDS alerts for network traffic 2->91 93 Multi AV Scanner detection for submitted file 2->93 95 Yara detected FormBook 2->95 99 14 other signatures 2->99 11 wscript.exe 1 2 2->11         started        16 AD66saDmwsUeT.exe 2->16 injected 18 Osw2nxVjUJzY.exe 2->18 injected signatures3 97 Performs DNS queries to domains with low reputation 69->97 process4 dnsIp5 77 178.16.54.15, 49699, 80 OMEGATECH-ASSC Netherlands 11->77 59 C:\Users\user\AppData\Local\Temp\AUL_32.bat, Unicode 11->59 dropped 123 System process connects to network (likely due to code injection or exploit) 11->123 125 JScript performs obfuscated calls to suspicious functions 11->125 127 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->127 133 2 other signatures 11->133 20 cmd.exe 4 11->20         started        129 Maps a DLL or memory area into another process 16->129 131 Found direct / indirect Syscall (likely to bypass EDR) 16->131 24 print.exe 13 16->24         started        79 www.zqcpjcjsq9.com.cn 156.250.199.147, 49729, 49730, 49731 POWERLINE-AS-APPOWERLINEDATACENTERHK Hong Kong SAR China 18->79 81 www.powpop.xyz 159.198.43.66, 49721, 49722, 49723 NAMECHEAP-NET-NamecheapIncUS United States 18->81 83 4 other IPs or domains 18->83 file6 signatures7 process8 file9 55 C:\Users\user\AppData\...\SystemUpdate.bat, Unicode 20->55 dropped 57 C:\Users\user\AppData\Local\Temp\~run.vbs, ASCII 20->57 dropped 101 Uses ping.exe to sleep 20->101 103 Command shell drops VBS files 20->103 105 Uses ping.exe to check the status of other devices and networks 20->105 26 cscript.exe 2 20->26         started        28 reg.exe 1 1 20->28         started        31 conhost.exe 20->31         started        35 2 other processes 20->35 107 Tries to steal Mail credentials (via file / registry access) 24->107 109 Tries to harvest and steal browser information (history, passwords, etc) 24->109 111 Modifies the context of a thread in another process (thread injection) 24->111 113 3 other signatures 24->113 33 firefox.exe 24->33         started        signatures10 process11 signatures12 37 cmd.exe 4 26->37         started        121 Creates an undocumented autostart registry key 28->121 process13 process14 39 MQKPPKNFYEJLWOMKVAVI.EXE 37->39         started        42 cmd.exe 1 37->42         started        44 certutil.exe 2 37->44         started        47 7 other processes 37->47 file15 115 Injects a PE file into a foreign processes 39->115 49 rundll32.exe 39->49         started        117 Uses ping.exe to sleep 42->117 52 PING.EXE 1 42->52         started        61 C:\Users\user\...\MQKPPKNFYEJLWOMKVAVI.EXE, PE32 44->61 dropped 119 Queries DNS domain through GetComputerNameExW (potential sandbox evasion) 44->119 63 C:\Users\user\...\MQKPPKNFYEJLWOMKVAVI.zip, Zip 47->63 dropped 65 C:\Users\user\...\MQKPPKNFYEJLWOMKVAVI.ini, Unicode 47->65 dropped 67 C:\Users\user\AppData\...\vcruntime140.dll, PE32 47->67 dropped signatures16 process17 dnsIp18 85 Modifies the context of a thread in another process (thread injection) 49->85 87 Maps a DLL or memory area into another process 49->87 89 Queues an APC in another process (thread injection) 49->89 75 127.0.0.1 unknown unknown 52->75 signatures19
Score:
96%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79
Verdict:
Malware
YARA:
1 match(es)
Tags:
ADODB.Stream Batch Command DeObfuscated Javascript JS Emulation Trace MSXML2.DOMDocument MSXML2.XMLHTTP.6.0 PowerShell PowerShell Call Scripting.FileSystemObject T1027 T1059.001 T1059.007 T1105 WinHttp.WinHttpRequest.5.1 WScript.Shell
Link:
https://app.malva.re/file/3e145a5d3c7d6e66cbf4e7981960db57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79/
Threat name:
Script.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-10-27 01:10:16 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 38 (23.68%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=afo4fbygju22v6c4mo75rfxuaqpxec2oc4z4k4j7zh52td7g5n4q._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Link:
https://reports.threatray.com/118c80d6-965d-48f0-a68d-de254f7c2435
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/261027-ehft9aat5w/
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Executes a VBScript file via the Windows Script Host.
Suspicious use of SetThreadContext
Deobfuscate/Decode Files or Information
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Registers new Windows logon scripts automatically executed at logon.
Badlisted process makes network request
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/015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:MULTI_Malware_AgentTesla_ForgeAuto_ed343f78_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects AgentTesla (inconnu, etat extrait)

File information

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

Malspam

Formbook

Java Script (JS) js 015dc287064d35aaf85c63bfd896f4041f720b4e1733c5713fc9fba98fe6eb79

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments