MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac
SHA3-384 hash: 4091f9b62aa97d505e724ec7de7bcc5bf34325024cd9f64253b9c92fc1ef914169675b84aff933996c3d2c1ff5b23972
SHA1 hash: a3252df4660588a86714a5ef5777bcebae6ffea5
MD5 hash: ff4018a44a48e87c991e8f52fd1c2f9e
humanhash: lion-arkansas-three-purple
File name:BANK_PAYMENT_CONFIRMATION_RECEIPT_MT103.JS
Download: download sample
Signature Formbook
Create hunting rule
File size:3'449'966 bytes
First seen:2026-08-13 05:42:23 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:MxZbDncVN++2Vd0ENfxnA0c4A6/EpArbKIz9TztKxG:IncbmVdrRua/955TzE0
TLSH T173F5F68E3144DB6170FEF3A5880F7E98750455C72DB2EA81BEEE57EE4748A023B16943
Magika javascript
Reporter lowmal3
Tags:FormBook js

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
Labled as:
Formbook.AA trojan
Link:
https://www.hybrid-analysis.com/sample/fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac
Verdict:
Malicious
File Type:
js
First seen:
2026-08-12T08:32:00Z UTC
Last seen:
2026-08-15T03:35:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1957273
Signature
Found API chain indicative of debugger detection
Found direct / indirect Syscall (likely to bypass EDR)
JavaScript source code contains functionality to generate code involving a shell, file or stream
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
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)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957273 Sample: BANK_PAYMENT_CONFIRMATION_R... Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 33 www.syney.xyz 2->33 35 www.yishengbee.com 2->35 37 4 other IPs or domains 2->37 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 3 other signatures 2->51 10 wscript.exe 2 2->10         started        signatures3 49 Performs DNS queries to domains with low reputation 33->49 process4 signatures5 61 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->61 13 IDDBGMHKHYHPTTKM.PIF 1 10->13         started        process6 signatures7 63 Found API chain indicative of debugger detection 13->63 65 Modifies the context of a thread in another process (thread injection) 13->65 67 Maps a DLL or memory area into another process 13->67 69 3 other signatures 13->69 16 65vbun6U2vCf.exe 13->16 injected 20 conhost.exe 13->20         started        process8 dnsIp9 27 www.yishengbee.com 38.14.131.5, 49736, 80 PEG-SV-PEGTECHINCUS United States 16->27 29 aidantsenior.fr 109.234.166.164, 49738, 49739, 49740 O2SWITCHFR France 16->29 31 2 other IPs or domains 16->31 39 Maps a DLL or memory area into another process 16->39 41 Found direct / indirect Syscall (likely to bypass EDR) 16->41 22 SearchProtocolHost.exe 13 16->22         started        signatures10 process11 signatures12 53 Tries to steal Mail credentials (via file / registry access) 22->53 55 Tries to harvest and steal browser information (history, passwords, etc) 22->55 57 Modifies the context of a thread in another process (thread injection) 22->57 59 3 other signatures 22->59 25 firefox.exe 22->25         started        process13
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac/
Threat name:
Script-JS.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-08-12 12:17:08 UTC
File Type:
Text (JavaScript)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7lcijqh7eq7ol3c23eo4s327qlnmf3cerespuofn6kkkkxpkygwa._file
Verdict:
malicious
Label(s):
Formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook execution rat spyware stealer trojan
Link:
https://tria.ge/reports/260813-gd8qkscj5y/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Family: Formbook
Formbook payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fac484c0ff243ee5ec5ad91dc96f5f82dac2ec448924fa38adf294a55deac1ac

File information

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

Comments