MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dcda246a493b8ee619f6e43539bf3d2613ae39404cbfde0abdc27f7e3b676c9. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 7dcda246a493b8ee619f6e43539bf3d2613ae39404cbfde0abdc27f7e3b676c9
SHA3-384 hash: bb026f226051e93956302cb6f431a63f3bcf258a9d5809bdf62f9c6c564e1ebcf0bb43c72aa6de438dfc57e12471cf33
SHA1 hash: e9d1942cc5c80fba3d59def96c1be4c3e8a2c3a0
MD5 hash: 19f2045f9cd8c2fc99292ec6a1caa958
humanhash: double-edward-zebra-fourteen
File name:STEPH.js
Download: download sample
Signature Formbook
File size:2'180 bytes
First seen:2025-03-20 07:24:23 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 48:1sH4X54NAx+wv9V+9N/rnYlAWV6ZUtvdvc1+qEDyZTdWJDgOoew:i++wv9c9N/ZCNe1+2ldEC
Threatray 1 similar samples on MalwareBazaar
TLSH T1834182DF3F04D09C8B4B426BAD2F402EE660C84569D9C511E2A1A9CCBC10360D93F768
Magika javascript
Reporter abuse_ch
Tags:FormBook js

Intelligence


File Origin
# of uploads :
1
# of downloads :
382
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
trojan shell hype
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex dropper evasive obfuscated obfuscated opendir opendir packed packed
Result
Verdict:
UNKNOWN
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
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
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
Performs DNS queries to domains with low reputation
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: 1643913 Sample: STEPH.js Startdate: 20/03/2025 Architecture: WINDOWS Score: 100 45 www.conmoro.xyz 2->45 47 www.spainapartments.click 2->47 49 5 other IPs or domains 2->49 73 Suricata IDS alerts for network traffic 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 81 7 other signatures 2->81 12 wscript.exe 1 16 2->12         started        signatures3 79 Performs DNS queries to domains with low reputation 45->79 process4 dnsIp5 57 176.65.144.3, 49716, 80 PALTEL-ASPALTELAutonomousSystemPS Germany 12->57 43 C:\Temp\WWASCZGFFFSDHJSDSD.ps1, ASCII 12->43 dropped 99 System process connects to network (likely due to code injection or exploit) 12->99 101 JScript performs obfuscated calls to suspicious functions 12->101 103 Wscript starts Powershell (via cmd or directly) 12->103 105 2 other signatures 12->105 17 powershell.exe 13 12->17         started        file6 signatures7 process8 file9 41 C:\Users\user\AppData\Local\...\CZXZDTS.exe, PE32 17->41 dropped 67 Suspicious execution chain found 17->67 69 Found suspicious powershell code related to unpacking or dynamic code loading 17->69 71 Powershell drops PE file 17->71 21 CZXZDTS.exe 3 17->21         started        24 conhost.exe 17->24         started        signatures10 process11 signatures12 85 Antivirus detection for dropped file 21->85 87 Writes to foreign memory regions 21->87 89 Allocates memory in foreign processes 21->89 91 Injects a PE file into a foreign processes 21->91 26 RegAsm.exe 21->26         started        process13 signatures14 93 Maps a DLL or memory area into another process 26->93 29 VJtUwINd.exe 26->29 injected process15 signatures16 95 Maps a DLL or memory area into another process 29->95 97 Found direct / indirect Syscall (likely to bypass EDR) 29->97 32 write.exe 13 29->32         started        process17 signatures18 59 Tries to steal Mail credentials (via file / registry access) 32->59 61 Tries to harvest and steal browser information (history, passwords, etc) 32->61 63 Modifies the context of a thread in another process (thread injection) 32->63 65 3 other signatures 32->65 35 VJtUwINd.exe 32->35 injected 39 firefox.exe 32->39         started        process19 dnsIp20 51 www.primuslabs.cloud 193.108.130.24, 49738, 49739, 49740 SVK-ASCZ Russian Federation 35->51 53 www.spainapartments.click 199.59.243.160, 49734, 49735, 49736 BODIS-NJUS United States 35->53 55 www.conmoro.xyz 13.248.169.48, 49724, 49726, 49727 AMAZON-02US United States 35->55 83 Found direct / indirect Syscall (likely to bypass EDR) 35->83 signatures21
Threat name:
Script-JS.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-03-20 07:25:26 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
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.

File information


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

Comments