MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3daf41b1a7a3d368c5ed453751fb0b157a233f831626e4b82bcaba16edda0d1. 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: 13


Intelligence 13 IOCs YARA File information Comments

SHA256 hash: c3daf41b1a7a3d368c5ed453751fb0b157a233f831626e4b82bcaba16edda0d1
SHA3-384 hash: e5c7a3811a93182381c4e8e9723ee6b75b82a3b83710f3904fe8134fb9a446c58b6a48b01547510c59f5c518ae6b2ec1
SHA1 hash: 4beb9cef4ac18cf1e93831b23a20687260e07dcb
MD5 hash: 394326a8cb32103a38d1828ccf1876d9
humanhash: nitrogen-emma-fix-winner
File name:seethebestthingswithgreathappinessmygirl.hta
Download: download sample
Signature Formbook
File size:14'247 bytes
First seen:2025-02-13 13:31:30 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:3bxqX7DP5yX7H/P5IEjn2UH99Dd+xePfqZFhCUX7mFX7SRRJAP5P8X7PPG:rELDP5yLfP5JzdfwxeMBLELrP5ULP+
TLSH T1B7523F062D54EDDA47D9A3B41ADE56EAE50C07B5017A7208B3BD710FABA06F48CF81D3
Magika html
Reporter abuse_ch
Tags:FormBook hta

Intelligence


File Origin
# of uploads :
1
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
obfuscate shell sage
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Payload URLs
URL
File name
http://192.3.73.148/xampp/cute/seethebestthingswithgreathappinessmygirl.gIF
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Result
Threat name:
Cobalt Strike, FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Cobalt Strike Beacon
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Potential malicious VBS script found (suspicious strings)
PowerShell case anomaly found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Net WebClient Casing Anomalies
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious command line found
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
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 Powershell decode and execute
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1614263 Sample: seethebestthingswithgreatha... Startdate: 13/02/2025 Architecture: WINDOWS Score: 100 60 www.lfstudio.xyz 2->60 62 www.lfatouch.shop 2->62 64 4 other IPs or domains 2->64 78 Suricata IDS alerts for network traffic 2->78 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 86 14 other signatures 2->86 15 mshta.exe 1 2->15         started        signatures3 84 Performs DNS queries to domains with low reputation 60->84 process4 signatures5 112 Suspicious command line found 15->112 114 PowerShell case anomaly found 15->114 18 cmd.exe 1 15->18         started        process6 signatures7 70 Detected Cobalt Strike Beacon 18->70 72 Suspicious powershell command line found 18->72 74 Wscript starts Powershell (via cmd or directly) 18->74 76 PowerShell case anomaly found 18->76 21 powershell.exe 3 45 18->21         started        26 conhost.exe 18->26         started        process8 dnsIp9 68 192.3.73.148, 49711, 49755, 80 AS-COLOCROSSINGUS United States 21->68 54 seethebestthingswi...happinessmygirl.vbs, Unicode 21->54 dropped 56 C:\Users\user\AppData\...\jyynocoz.cmdline, Unicode 21->56 dropped 92 Potential malicious VBS script found (suspicious strings) 21->92 94 Loading BitLocker PowerShell Module 21->94 28 wscript.exe 2 21->28         started        31 csc.exe 3 21->31         started        file10 signatures11 process12 file13 104 Detected Cobalt Strike Beacon 28->104 106 Suspicious powershell command line found 28->106 108 Wscript starts Powershell (via cmd or directly) 28->108 110 2 other signatures 28->110 34 powershell.exe 15 15 28->34         started        58 C:\Users\user\AppData\Local\...\jyynocoz.dll, PE32 31->58 dropped 38 cvtres.exe 1 31->38         started        signatures14 process15 dnsIp16 66 resc.cloudinary.com.cdn.cloudflare.net 104.17.202.1, 443, 49724 CLOUDFLARENETUS United States 34->66 88 Writes to foreign memory regions 34->88 90 Injects a PE file into a foreign processes 34->90 40 aspnet_compiler.exe 34->40         started        43 conhost.exe 34->43         started        signatures17 process18 signatures19 96 Modifies the context of a thread in another process (thread injection) 40->96 98 Maps a DLL or memory area into another process 40->98 100 Sample uses process hollowing technique 40->100 102 4 other signatures 40->102 45 explorer.exe 29 1 40->45 injected process20 process21 47 msiexec.exe 45->47         started        signatures22 116 Modifies the context of a thread in another process (thread injection) 47->116 118 Maps a DLL or memory area into another process 47->118 120 Switches to a custom stack to bypass stack traces 47->120 50 cmd.exe 1 47->50         started        process23 process24 52 conhost.exe 50->52         started       
Threat name:
Script-WScript.Backdoor.FormBook
Status:
Malicious
First seen:
2025-02-12 16:39:12 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b101 defense_evasion discovery execution rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Checks computer location settings
Blocklisted process makes network request
Downloads MZ/PE file
Evasion via Device Credential Deployment
Formbook payload
Formbook
Formbook family
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.

Web download

Formbook

HTML Application (hta) hta c3daf41b1a7a3d368c5ed453751fb0b157a233f831626e4b82bcaba16edda0d1

(this sample)

  
Delivery method
Distributed via web download

Comments