MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b71ed2f933250f09d3b7836d7f77bfa4febf8d10942876f97d446f7aa4b4b18d. 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



AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: b71ed2f933250f09d3b7836d7f77bfa4febf8d10942876f97d446f7aa4b4b18d
SHA3-384 hash: 8f52d3f50f18855cff83f176473db6db5aa4004a24229dbeab04bc634d46e759ac6f28d6128971ee1b340c25f4b86d1c
SHA1 hash: ac9608a3b29e8a3d2885bed1e45299cea5893349
MD5 hash: 6cfd7504fe0eb58fc7afe33e5895c6bd
humanhash: montana-network-violet-ack
File name:54ORDEN DE COMPRA 088562.vbs
Download: download sample
Signature AgentTesla
File size:379'388 bytes
First seen:2023-09-29 11:25:17 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 3072:8WsV5N6iKNYRT+4/I2JwFPIuo0XaHXaIhhlpK:MlKNMPJwVc0yThlQ
Threatray 5'739 similar samples on MalwareBazaar
TLSH T14684EF1029EBA44CF2B37F632BEDBAE54F6FFBF16616919D250003064A57E80CD95A31
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter abuse_ch
Tags:AgentTesla vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
NL NL
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell download and load assembly
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
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 AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1316444 Sample: 54ORDEN_DE_COMPRA_088562.vbs Startdate: 29/09/2023 Architecture: WINDOWS Score: 100 27 Snort IDS alert for network traffic 2->27 29 Multi AV Scanner detection for domain / URL 2->29 31 Found malware configuration 2->31 33 8 other signatures 2->33 8 wscript.exe 1 2->8         started        process3 signatures4 41 VBScript performs obfuscated calls to suspicious functions 8->41 43 Suspicious powershell command line found 8->43 45 Wscript starts Powershell (via cmd or directly) 8->45 47 3 other signatures 8->47 11 powershell.exe 7 8->11         started        process5 signatures6 49 Suspicious powershell command line found 11->49 51 Found suspicious powershell code related to unpacking or dynamic code loading 11->51 14 powershell.exe 14 15 11->14         started        18 conhost.exe 11->18         started        process7 dnsIp8 23 uploaddeimagens.com.br 104.21.45.138, 443, 49787 CLOUDFLARENETUS United States 14->23 25 193.42.33.63, 49788, 80 EENET-ASEE Germany 14->25 53 Writes to foreign memory regions 14->53 55 Injects a PE file into a foreign processes 14->55 20 RegAsm.exe 2 14->20         started        signatures9 process10 signatures11 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->35 37 Tries to steal Mail credentials (via file / registry access) 20->37 39 Tries to harvest and steal browser information (history, passwords, etc) 20->39
Threat name:
Script-WScript.Trojan.LrgVrObfsc
Status:
Malicious
First seen:
2023-09-27 14:28:35 UTC
AV detection:
4 of 37 (10.81%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Malware Config
Dropper Extraction:
https://uploaddeimagens.com.br/images/004/616/609/original/rump_vbs.jpg?1695408937
Malware family:
AgentTesla.v4
Verdict:
Malicious
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.

Malspam

AgentTesla

Visual Basic Script (vbs) vbs b71ed2f933250f09d3b7836d7f77bfa4febf8d10942876f97d446f7aa4b4b18d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments