MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9. 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: 5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9
SHA3-384 hash: 4b4560156a8f7d28815b1ddbf2505fad2884bfd002b436005d3d27ddcfc80cecf1b3bdf2850d5f812ebbf3858bacdcdd
SHA1 hash: 8a8d36f2ce735061f097271bb9557f88cfe8c213
MD5 hash: 2a7e1a706d8f6e6cbe24c68ca3d6312c
humanhash: mars-pasta-romeo-princess
File name:PUC 8578·pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:25'154 bytes
First seen:2026-07-11 07:05:55 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:iXMQYnuX7rcuvypIbAxhLRRS/D7AKUNB7DrFf5xBBL0uTzj+FtUY00O:9uX7rNqBq/vAKgNZ70czj+FtA0O
TLSH T1A4B23F9CD7D6007D8ED5D7389C6B0964C7DDC508C1729AB062BB4E2E3F016BAE16832B
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.VBS.DownLoader.4580.8558.31646.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a51ecad13f68731ed6b8e29
Tags:
uloader virus blic
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cloudeye fingerprint repaired
Link:
https://www.filescan.io/uploads/6a51ebf9716c796b88a22bbd/reports/21f16302-c9a2-44a4-8491-ac4c98dc966b/overview
Verdict:
Malicious
Labled as:
Adware.Generic
Link:
https://www.hybrid-analysis.com/sample/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9
Verdict:
Malicious
File Type:
js
First seen:
2026-07-10T12:41:00Z UTC
Last seen:
2026-07-13T05:44:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Script.Generic Trojan.JS.SAgent.sb HEUR:Trojan.Script.SAgent.gen
Link:
https://opentip.kaspersky.com/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9/results?tab=lookup
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1940893
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
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
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: 1940893 Sample: PUC 8578#U00b7pdf.js Startdate: 11/07/2026 Architecture: WINDOWS Score: 100 46 www.hongese.asia 2->46 48 www.gjpick.shop 2->48 50 2 other IPs or domains 2->50 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 6 other signatures 2->66 10 powershell.exe 15 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 process4 file5 92 Writes to foreign memory regions 10->92 94 Found suspicious powershell code related to unpacking or dynamic code loading 10->94 96 Switches to a custom stack to bypass stack traces 10->96 20 backgroundTaskHost.exe 6 10->20         started        23 backgroundTaskHost.exe 10->23         started        25 conhost.exe 10->25         started        44 C:\Users\user\AppData\Local\Tempor, ASCII 13->44 dropped 98 JScript performs obfuscated calls to suspicious functions 13->98 100 Injects code into the Windows Explorer (explorer.exe) 13->100 102 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->102 104 WScript reads language and country specific registry keys (likely country aware script) 13->104 27 explorer.exe 13->27         started        106 Obfuscated command line found 16->106 29 powershell.exe 49 16->29         started        signatures6 process7 dnsIp8 68 Modifies the context of a thread in another process (thread injection) 20->68 70 Maps a DLL or memory area into another process 20->70 72 Queues an APC in another process (thread injection) 20->72 32 GQyxeTKNf8T4v.exe 20->32 injected 35 backgroundTaskHost.exe 20->35         started        74 Unusual module load detection (module proxying) 23->74 76 Switches to a custom stack to bypass stack traces 23->76 78 Obfuscated command line found 27->78 52 drive.usercontent.google.com 142.251.215.97, 443, 49710, 49714 GOOGLE-GoogleLLCUS United States 29->52 54 drive.google.com 142.251.35.238, 443, 49709, 49713 GOOGLE-GoogleLLCUS United States 29->54 80 Found suspicious powershell code related to unpacking or dynamic code loading 29->80 82 Loading BitLocker PowerShell Module 29->82 37 conhost.exe 29->37         started        signatures9 process10 signatures11 56 Maps a DLL or memory area into another process 32->56 58 Found direct / indirect Syscall (likely to bypass EDR) 32->58 39 rasphone.exe 32->39         started        process12 signatures13 84 Modifies the context of a thread in another process (thread injection) 39->84 86 Maps a DLL or memory area into another process 39->86 88 Unusual module load detection (module proxying) 39->88 90 Switches to a custom stack to bypass stack traces 39->90 42 aqFANXRY03WqF0.exe 39->42 injected process14
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9/
Verdict:
Malicious
Threat:
Trojan.JS.SAgent
Link:
https://tip.neiki.dev/file/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-07-10 21:46:00 UTC
File Type:
Text (JavaScript)
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lovfr66sveyj22ctz4onlpudvw6o3fn33qnhi4obd3sukx4fx6uq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
adware discovery execution spyware
Link:
https://tria.ge/reports/260711-hz5rgsfx2s/
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 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/5baa58fbd2a9309d6853cf1cd5be83adbced95bbdc1a7471c11ee5455f85bfa9

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