MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0
SHA3-384 hash: d2bbb13fccf86807f3718b3320425a95cb59237eea161938f2df65459d508c6fabbecf09846448026c08c86362233f0d
SHA1 hash: 4832d007c6178271627160d806a4a499917d5b28
MD5 hash: 1462dbbba4321f52bf9a273a5581d974
humanhash: massachusetts-stairway-texas-nebraska
File name:Rechnung_19216428012621·pdf.js
Download: download sample
Signature Formbook
Create hunting rule
File size:390'298 bytes
First seen:2025-10-07 18:35:35 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:AB0BhBkBemBm0BZBdBmBiBwBcBnBbBKBCBZBrBNBQBGB4BpBCBfBGBj:WqzaeMmqr/MoGSBFQIrVvmsu7IZsj
TLSH T1B4846C61EC651A6B8F872389ACA51395CAFD85450A2390F2F3DE4B4D720A4ECC77E374
Magika javascript
Reporter abuse_ch
Tags:DEU FormBook geo js

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e55e44277c2bd8bc5d898e
Tags:
stration spawn
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint
Link:
https://www.filescan.io/uploads/68e55f2bc74bd2958b16734d/reports/dbf3aa24-18c8-4ab5-98b5-efb4a1705a61/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0
Verdict:
Malicious
File Type:
js
First seen:
2025-10-07T08:52:00Z UTC
Last seen:
2025-10-08T10:13:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0/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/1790905
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
Multi AV Scanner detection for submitted file
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: 1790905 Sample: Rechnung_19216428012621#U00... Startdate: 07/10/2025 Architecture: WINDOWS Score: 100 29 drive.usercontent.google.com 2->29 31 drive.google.com 2->31 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected FormBook 2->41 43 4 other signatures 2->43 8 powershell.exe 33 2->8         started        11 wscript.exe 1 1 2->11         started        signatures3 process4 signatures5 45 Early bird code injection technique detected 8->45 47 Writes to foreign memory regions 8->47 49 Found suspicious powershell code related to unpacking or dynamic code loading 8->49 59 3 other signatures 8->59 13 msiexec.exe 6 8->13         started        16 conhost.exe 8->16         started        51 Wscript starts Powershell (via cmd or directly) 11->51 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->53 55 Suspicious execution chain found 11->55 57 Creates processes via WMI 11->57 18 powershell.exe 14 28 11->18         started        process6 dnsIp7 61 Maps a DLL or memory area into another process 13->61 21 Z0AJspSsaclAq.exe 13->21 injected 23 XPW6eljVlVwR5w.exe 13->23 injected 25 9N16vHvdgMdP4.exe 13->25 injected 33 drive.google.com 142.250.217.206, 443, 49687, 49693 GOOGLEUS United States 18->33 35 drive.usercontent.google.com 142.250.64.225, 443, 49688, 49694 GOOGLEUS United States 18->35 63 Found suspicious powershell code related to unpacking or dynamic code loading 18->63 65 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->65 67 Loading BitLocker PowerShell Module 18->67 27 conhost.exe 18->27         started        signatures8 process9
Score:
95%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0
Threat name:
Script-JS.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-10-07 18:40:42 UTC
File Type:
Text
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bgrrdfkbi4n3ks76fo5uzmmnqzib324nnidtpldftpzu4c3kmxia._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/251007-xcg48s1pw9/
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/09a3119541471bb54bfe2bbb4cb18d86501deb8d6a0737ac659bf34e0b6a65d0

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