MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1
SHA3-384 hash: ea2b530c57bececc401218660a3cf13d11ba79ce2b9bee813d7c1c5779e5a292186bd367645053fdaf799c9f68be7cb3
SHA1 hash: 14637e13eaa586354763ccd34a20a7f2a6b0f267
MD5 hash: d3a9ae0de027a95f8cd5f176e62f76af
humanhash: spring-kitten-snake-monkey
File name:azzo.vbs
Download: download sample
Signature Formbook
Create hunting rule
File size:523'446 bytes
First seen:2023-08-10 12:38:52 UTC
Last seen:2023-08-10 13:41:12 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:hQq/fQiejaFQv6OvQhyaNsa2F/nU/fBE4HzFh7:L/4iejaFQv6OvQ9
Threatray 31 similar samples on MalwareBazaar
TLSH T1BAB438A12FDB20C8F9C7354B67AC3E94535BB1C4C8391546B48BA71833EF260589AFB5
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter Anonymous
Tags:FormBook vbs

Intelligence

File Origin
# of uploads :
2
# of downloads :
108
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/441933/
Detection(s):
SecuriteInfo.com.VBS.Obfuscated-JC.5550.2771.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1
Result
Verdict:
MALICIOUS
Result
Threat name:
PXRECVOWEIWOEI Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1289348
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Capture Wi-Fi password
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected PXRECVOWEIWOEI Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1289348 Sample: azzo.vbs Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for domain / URL 2->43 45 Antivirus detection for URL or domain 2->45 47 Sigma detected: Capture Wi-Fi password 2->47 49 5 other signatures 2->49 9 wscript.exe 1 2->9         started        12 msiexec.exe 2->12         started        process3 signatures4 63 VBScript performs obfuscated calls to suspicious functions 9->63 65 Suspicious powershell command line found 9->65 67 Wscript starts Powershell (via cmd or directly) 9->67 69 Very long command line found 9->69 14 powershell.exe 14 7 9->14         started        process5 dnsIp6 41 80.76.51.248, 49715, 80 CLOUDCOMPUTINGDE Bulgaria 14->41 71 Writes to foreign memory regions 14->71 73 Injects a PE file into a foreign processes 14->73 18 cvtres.exe 15 17 14->18         started        22 conhost.exe 14->22         started        signatures7 process8 dnsIp9 35 whatismyipaddressnow.co 188.114.97.7, 443, 49716 CLOUDFLARENETUS European Union 18->35 37 200.82.6.0.in-addr.arpa 18->37 39 4 other IPs or domains 18->39 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->51 53 May check the online IP address of the machine 18->53 55 Tries to steal Mail credentials (via file / registry access) 18->55 57 3 other signatures 18->57 24 cmd.exe 1 18->24         started        signatures10 process11 signatures12 59 Uses netsh to modify the Windows network and firewall settings 24->59 61 Tries to harvest and steal WLAN passwords 24->61 27 netsh.exe 3 24->27         started        29 conhost.exe 24->29         started        31 findstr.exe 1 24->31         started        33 chcp.com 1 24->33         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-08-10 12:39:06 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gpu4uviiknby6wopjigoeqbnfs7vqeljl2ph52qfupwf2g5issqq._file
Verdict:
malicious
Similar samples:
0208bd67126a78dbb0fa2f7ddc65495796a6228d4b31f60de86acdc5bcd1e1d8
Formbook
153c3fbb73c454e077ba248871f1159f8d6c9df46d5f42d35ac6d99713ab09b0
Formbook
27c66e4fca745ecd962769fd00218d7a645f338a6e20b25cce8b88d784a89a0a
Formbook
27de4e75c92c025910bc868f68f2323db4ff96855abefa1672851e6936c77141
Formbook
9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517
Formbook
a334c6122bad0425124968bc3a443bf3a4ef2aabb1e865f03fee17122f0c6885
Formbook
aa08c315ab608d10cea917ce37ddac927dcb6aa0420e68d67ea76be3b6b8193c
Formbook
d016ca7d62e88fc7df80866588b24d324b6671a23ad0e7159a17677a07a5ac45
Formbook
d154784bed48b36890a816c7d508b317dbc6b506c5c5726389611b9e142c020d
Formbook
d1feda287249dc562cb50bf9fe7a09ac4b34aaef7366f9f99c7450d3de5251a7
Formbook
+ 21 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230810-pvl7xacg63/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Blocklisted process makes network request
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/33e9ca550853/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.05
Link:
https://yomi.yoroi.company/submissions/33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Visual Basic Script (vbs) vbs 33e9ca550853438f59cf4a0ce2402d2cbf5811695e9e7eea05a3ec5d1ba894a1

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/441933/
  
URLhaus
https://urlhaus.abuse.ch/url/2703646/
  
Delivery method
Distributed via web download

Comments