MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3. 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
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SHA256 hash: 13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3
SHA3-384 hash: ff0c280f6c0da248678094cf76c524ade39db487ee89c58dcba5f04d4c9d35ef24267c2882665c9bad61192eb4815bcc
SHA1 hash: 50522b587f3179e7b6aa743fe769426697440056
MD5 hash: b75425364f100559e855b7651e1f121e
humanhash: blue-august-sad-september
File name:Kahilingan para sa quote na PUC251006·pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:389'605 bytes
First seen:2025-10-06 11:17:37 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:vB0B1BkBYBRBxBdBFBqB+BLBnB7BaBWBUBrBdBYBCB3BoB0BfBGBA:pq3aOjD/HwE1Blg8KV/OIReqZsA
TLSH T100846B61EC25166B8F872389ACA51795CAFD85490A2390F2F3DE4B4D720A4ECC77E374
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e3a59d91bc581176cc6260
Tags:
stration spawn
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/68e3a6205a3bccf09eb997db/reports/a7d6614b-0a79-4efb-b829-46dd7f442dc5/overview
Verdict:
Suspicious
Labled as:
Generik.CNYKNBR trojan
Link:
https://www.hybrid-analysis.com/sample/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3
Verdict:
Malicious
File Type:
js
First seen:
2025-10-05T20:28:00Z UTC
Last seen:
2025-10-06T23:51:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3/results?tab=lookup
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1789687
Signature
Creates processes via WMI
Early bird code injection technique detected
Found suspicious powershell code related to unpacking or dynamic code loading
JavaScript source code contains functionality to generate code involving a shell, file or stream
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected FormBook
Yara detected GuLoader
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1789687 Sample: Kahilingan para sa quote na... Startdate: 06/10/2025 Architecture: WINDOWS Score: 100 38 drive.usercontent.google.com 2->38 40 drive.google.com 2->40 52 Malicious sample detected (through community Yara rule) 2->52 54 Yara detected FormBook 2->54 56 Yara detected GuLoader 2->56 58 3 other signatures 2->58 8 powershell.exe 30 2->8         started        11 wscript.exe 1 1 2->11         started        13 svchost.exe 1 1 2->13         started        signatures3 process4 dnsIp5 60 Early bird code injection technique detected 8->60 62 Writes to foreign memory regions 8->62 64 Found suspicious powershell code related to unpacking or dynamic code loading 8->64 74 3 other signatures 8->74 16 msiexec.exe 6 8->16         started        20 conhost.exe 8->20         started        22 msiexec.exe 8->22         started        66 Wscript starts Powershell (via cmd or directly) 11->66 68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->68 70 Suspicious execution chain found 11->70 72 Creates processes via WMI 11->72 24 powershell.exe 14 29 11->24         started        42 127.0.0.1 unknown unknown 13->42 signatures6 process7 dnsIp8 32 172.217.165.206, 443, 49704 GOOGLEUS United States 16->32 44 Maps a DLL or memory area into another process 16->44 26 i1F1dgY9eaF.exe 16->26 injected 28 r47OJS4kl.exe 16->28 injected 34 drive.google.com 142.250.217.174, 443, 49692 GOOGLEUS United States 24->34 36 drive.usercontent.google.com 192.178.50.65, 443, 49693, 49705 GOOGLEUS United States 24->36 46 Found suspicious powershell code related to unpacking or dynamic code loading 24->46 48 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 24->48 50 Loading BitLocker PowerShell Module 24->50 30 conhost.exe 24->30         started        signatures9 process10
Score:
93%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 01:47:28 UTC
File Type:
Text (JavaScript)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=co6ljf4ef2yy6cvgt64j464q6mfs2qsidh6zhzjg6zd5zaxni2rq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251006-ngbctaal2x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Legitimate hosting services abused for malware hosting/C2
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
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/13bcb497842eb18f0aa69fb89e7b90f30b2d424819fd93e526f647dc82ed46a3

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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