MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcba50a5be328e080a5496812c9c9d0d2f3bda66372fb376b716997e6323c16d. 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: 14


Intelligence 14 IOCs YARA File information Comments

SHA256 hash: dcba50a5be328e080a5496812c9c9d0d2f3bda66372fb376b716997e6323c16d
SHA3-384 hash: fe17cfb85716a029935db0903e029c72000e4203baa0920366feb20a40be2095b42171db04cdbd0eb8dd4c7cae1e5792
SHA1 hash: e49bcca75a11cd15dd3b901fbb810f59c7129b6d
MD5 hash: 92bc8ade405aa7825c26a3a50c2117e7
humanhash: network-jersey-lake-oxygen
File name:002411111&0025111111.vbs
Download: download sample
Signature Formbook
File size:47'240 bytes
First seen:2025-09-12 07:45:21 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 96:4cfd7HmhQGZlbhV2cmlTDAkbEv3/2JK6wk2zip9O9q2DpQm3AbcLq:T7GPta2Woqofq
Threatray 179 similar samples on MalwareBazaar
TLSH T11423A56CF20A8731F2108D97A4C53BBFC16E52F620CDB9DACBA4F977921D6CB4216485
Magika vba
Reporter abuse_ch
Tags:FormBook vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Tags:
obfuscate xtreme spawn
Verdict:
Malicious
File Type:
vbs
First seen:
2025-09-10T20:59:00Z UTC
Last seen:
2025-09-10T20:59:00Z UTC
Hits:
~100
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
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 download and execute
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776261 Sample: 002411111&0025111111.vbs Startdate: 12/09/2025 Architecture: WINDOWS Score: 100 41 www.viary.lol 2->41 43 www.oldchain-br037.sbs 2->43 45 2 other IPs or domains 2->45 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 9 other signatures 2->65 12 wscript.exe 2->12         started        15 svchost.exe 1 1 2->15         started        signatures3 process4 dnsIp5 83 Suspicious powershell command line found 12->83 85 Wscript starts Powershell (via cmd or directly) 12->85 87 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->87 89 2 other signatures 12->89 18 powershell.exe 14 15 12->18         started        53 127.0.0.1 unknown unknown 15->53 signatures6 process7 dnsIp8 47 96.44.159.144, 49681, 80 ASN-QUADRANET-GLOBALUS United States 18->47 49 107.172.132.42, 49682, 80 AS-COLOCROSSINGUS United States 18->49 67 Writes to foreign memory regions 18->67 69 Injects a PE file into a foreign processes 18->69 22 aspnet_compiler.exe 18->22         started        25 aspnet_compiler.exe 18->25         started        27 conhost.exe 18->27         started        signatures9 process10 signatures11 71 Modifies the context of a thread in another process (thread injection) 22->71 73 Maps a DLL or memory area into another process 22->73 75 Sample uses process hollowing technique 22->75 77 Queues an APC in another process (thread injection) 22->77 29 explorer.exe 34 1 22->29 injected 79 Tries to detect virtualization through RDTSC time measurements 25->79 81 Switches to a custom stack to bypass stack traces 25->81 process12 dnsIp13 51 204.79.197.203, 443 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->51 32 msdt.exe 29->32         started        35 autofmt.exe 29->35         started        process14 signatures15 55 Modifies the context of a thread in another process (thread injection) 32->55 57 Maps a DLL or memory area into another process 32->57 37 cmd.exe 1 32->37         started        process16 process17 39 conhost.exe 37->39         started       
Verdict:
Malware
YARA:
1 match(es)
Tags:
Scripting.FileSystemObject VBScript
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-09-11 09:06:48 UTC
File Type:
Binary
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:um09 execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Formbook family
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://96.44.159.144/imgs/optimized_MSI.png
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