MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c92fedb8c7a3c9e7c21599ce7eada23c0f1355bd406bf2f1ec6e34f19a846fa. 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 5 File information Comments

SHA256 hash: 7c92fedb8c7a3c9e7c21599ce7eada23c0f1355bd406bf2f1ec6e34f19a846fa
SHA3-384 hash: 764ce4a6ab3ea69844710aed008db96e7b539bd3e01334add87604bb4f0f0336e9803addfa4ff08fb2aac725087e403a
SHA1 hash: 6e040c19f8b15599426974cd5f7238baf0045f69
MD5 hash: d25d1cd0800973319b118614a435da3e
humanhash: november-juliet-butter-lima
File name:20250207.js
Download: download sample
Signature Formbook
File size:6'994 bytes
First seen:2025-02-07 16:33:40 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:C+8S9Y4mdQm2Tfhq8Wards5hvUKlYIM2WBumO28FXEe47:Cq9qdEFidUkYIMtumF1x7
Threatray 45 similar samples on MalwareBazaar
TLSH T1B4E182147394A81603A74FA7AA2DD3C4FD7DD8FE6EA3488B9105BF807DE5918E8D8530
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
488
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
trojan shell hype
Result
Verdict:
SUSPICIOUS
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
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 dropped file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Potential obfuscated javascript found
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609510 Sample: 20250207.js Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 47 www.031234440.xyz 2->47 49 www.balivegasbaru2.xyz 2->49 51 5 other IPs or domains 2->51 75 Suricata IDS alerts for network traffic 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 83 8 other signatures 2->83 12 wscript.exe 1 16 2->12         started        signatures3 81 Performs DNS queries to domains with low reputation 49->81 process4 dnsIp5 59 87.120.120.56, 49711, 80 UNACS-AS-BG8000BurgasBG Bulgaria 12->59 45 C:\Temp\downloaded_script.ps1, ASCII 12->45 dropped 97 System process connects to network (likely due to code injection or exploit) 12->97 99 JScript performs obfuscated calls to suspicious functions 12->99 101 Wscript starts Powershell (via cmd or directly) 12->101 103 2 other signatures 12->103 17 powershell.exe 13 12->17         started        file6 signatures7 process8 file9 43 C:\Users\user\AppData\Local\Temp\x.exe, PE32 17->43 dropped 61 Suspicious execution chain found 17->61 63 Found suspicious powershell code related to unpacking or dynamic code loading 17->63 65 Powershell drops PE file 17->65 21 x.exe 3 17->21         started        24 conhost.exe 17->24         started        signatures10 process11 signatures12 85 Antivirus detection for dropped file 21->85 87 Multi AV Scanner detection for dropped file 21->87 89 Machine Learning detection for dropped file 21->89 91 3 other signatures 21->91 26 RegAsm.exe 21->26         started        29 RegAsm.exe 21->29         started        process13 signatures14 95 Maps a DLL or memory area into another process 26->95 31 yjGQp4S5eI6A.exe 26->31 injected process15 signatures16 105 Maps a DLL or memory area into another process 31->105 107 Found direct / indirect Syscall (likely to bypass EDR) 31->107 34 ROUTE.EXE 13 31->34         started        process17 signatures18 67 Tries to steal Mail credentials (via file / registry access) 34->67 69 Tries to harvest and steal browser information (history, passwords, etc) 34->69 71 Modifies the context of a thread in another process (thread injection) 34->71 73 3 other signatures 34->73 37 yjGQp4S5eI6A.exe 34->37 injected 41 firefox.exe 34->41         started        process19 dnsIp20 53 031234440.xyz 144.76.229.203, 49986, 49987, 49988 HETZNER-ASDE Germany 37->53 55 www.boldhozons.website 66.29.133.199, 49995, 49996, 49998 ADVANTAGECOMUS United States 37->55 57 4 other IPs or domains 37->57 93 Found direct / indirect Syscall (likely to bypass EDR) 37->93 signatures21
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-02-07 16:34:16 UTC
File Type:
Text (JavaScript)
AV detection:
2 of 38 (5.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_obfuscated_JS_obfuscatorio
Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

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