MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db
SHA3-384 hash: a5570e72a25cf6a56b911f1b043707532029d711247ee63f4e230a75a66218574b010abd1d8c73ceec9209d3d0817736
SHA1 hash: 30926b33db0ecae533afcccdb7d7b4c5d1bcda1c
MD5 hash: 4b161d52bd916d0da464c57f84e01af5
humanhash: mike-chicken-pasta-double
File name:Pjokkeness.js
Download: download sample
Signature Formbook
Create hunting rule
File size:25'573 bytes
First seen:2026-07-11 07:04:18 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:iXMQen7oZO/IK4/xr/+VCKUULgLV9T5xBzplwSAAFrYqR0O:77oC+/8VHU2QV4SAAF90O
TLSH T197B2936AC9962478CF253788985B0D2254F8C50B8B63DBA77369C35827015A8F37E37E
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.VBS.DownLoader.4580.24577.24119.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a51eb78a900f0e9eb6bfbdb
Tags:
stration blic remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cloudeye fingerprint repaired
Link:
https://www.filescan.io/uploads/6a51eb4f00114a8c1d1c7237/reports/9b8cd6d9-c370-4161-ba03-568da50b3c9f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db
Verdict:
Malicious
File Type:
js
First seen:
2026-07-10T04:15:00Z UTC
Last seen:
2026-07-13T03:42:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db/results?tab=lookup
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1940920
Signature
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects code into the Windows Explorer (explorer.exe)
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Loading BitLocker PowerShell Module
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
Obfuscated command line found
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
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)
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)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1940920 Sample: Pjokkeness.js Startdate: 11/07/2026 Architecture: WINDOWS Score: 100 51 www.67545319.xyz 2->51 53 drive.usercontent.google.com 2->53 55 drive.google.com 2->55 67 Suricata IDS alerts for network traffic 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for submitted file 2->71 75 6 other signatures 2->75 10 powershell.exe 18 2->10         started        13 wscript.exe 1 2 2->13         started        16 explorer.exe 4 7 2->16         started        18 rundll32.exe 2->18         started        signatures3 73 Performs DNS queries to domains with low reputation 51->73 process4 file5 101 Writes to foreign memory regions 10->101 103 Found suspicious powershell code related to unpacking or dynamic code loading 10->103 105 Switches to a custom stack to bypass stack traces 10->105 20 backgroundTaskHost.exe 6 10->20         started        23 backgroundTaskHost.exe 10->23         started        25 conhost.exe 10->25         started        49 C:\Users\user\AppData\Local\Sanscu, ASCII 13->49 dropped 107 JScript performs obfuscated calls to suspicious functions 13->107 109 Injects code into the Windows Explorer (explorer.exe) 13->109 111 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->111 113 WScript reads language and country specific registry keys (likely country aware script) 13->113 27 explorer.exe 13->27         started        115 Obfuscated command line found 16->115 29 powershell.exe 47 16->29         started        signatures6 process7 dnsIp8 77 Modifies the context of a thread in another process (thread injection) 20->77 79 Maps a DLL or memory area into another process 20->79 81 Queues an APC in another process (thread injection) 20->81 32 dNceDeul0lDX1M.exe 20->32 injected 35 backgroundTaskHost.exe 20->35         started        83 Unusual module load detection (module proxying) 23->83 85 Switches to a custom stack to bypass stack traces 23->85 87 Obfuscated command line found 27->87 59 drive.google.com 142.250.176.78, 443, 49702, 49704 GOOGLE-GoogleLLCUS United States 29->59 61 drive.usercontent.google.com 192.178.50.33, 443, 49703, 49705 GOOGLE-GoogleLLCUS United States 29->61 89 Found suspicious powershell code related to unpacking or dynamic code loading 29->89 91 Loading BitLocker PowerShell Module 29->91 37 conhost.exe 29->37         started        signatures9 process10 signatures11 63 Maps a DLL or memory area into another process 32->63 65 Found direct / indirect Syscall (likely to bypass EDR) 32->65 39 svchost.exe 32->39         started        process12 signatures13 93 Tries to steal Mail credentials (via file / registry access) 39->93 95 Tries to harvest and steal browser information (history, passwords, etc) 39->95 97 Modifies the context of a thread in another process (thread injection) 39->97 99 3 other signatures 39->99 42 DuUi4bmM.exe 39->42 injected 45 chrome.exe 39->45         started        47 firefox.exe 39->47         started        process14 dnsIp15 57 www.67545319.xyz 198.2.218.117, 49706, 80 PEG-SV-PEGTECHINCUS United States 42->57
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2026-07-10 14:28:40 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utfoaqj3qkmgjx5qwkuublk74bcpwx7xjjcgnuqg76u7q4pry3nq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution spyware
Link:
https://tria.ge/reports/260711-hxgxmsdw5m/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Drops desktop.ini file(s)
Checks computer location settings
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:
0.75
Link:
https://yomi.yoroi.company/submissions/a4cae0413b829864dfb0b2a940ad5fe044fb5ff74a4466d206ffa9f871f1c6db

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: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