MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d33f5262375dff205d38b290de80d6b6a7b5edeb5a0d5f1b01048bd3a371cd42. 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 1

SHA256 hash: d33f5262375dff205d38b290de80d6b6a7b5edeb5a0d5f1b01048bd3a371cd42
SHA3-384 hash: f0aac3eab73c7f1b7cf261da25e58ff748b7b2ff9eb74f62c3524f7b90e85756bc2ad5c4a730c4315e78ff4fb800d3a1
SHA1 hash: 0b5d33bc615059e46bbb4cb9d9222c6536dee2db
MD5 hash: 69f86c9389c8ec9f5d9c60917c36b485
humanhash: jersey-lima-april-ack
File name:nigazxbb.vbs
Download: download sample
Signature AgentTesla
File size:404'174 bytes
First seen:2023-09-26 07:33:50 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:1J3jCHfnjiT3+F3+hWWWWWuWWWWWpWWWWWTWWWWWSWWWWWKWWWWWyWWWWWfWWWWT:M
Threatray 5'686 similar samples on MalwareBazaar
TLSH T16D84AC2079FF5488F2B3BE632FDCBAE54B5FB7E2561690AD2500430B4756D80CE96A31
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter smica83
Tags:AgentTesla HUN vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.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
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
Sigma detected: RegAsm connects to smtp port
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, 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: 1314320 Sample: nigazxbb.vbs Startdate: 26/09/2023 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 7 other signatures 2->36 8 wscript.exe 1 2->8         started        process3 signatures4 46 VBScript performs obfuscated calls to suspicious functions 8->46 48 Suspicious powershell command line found 8->48 50 Wscript starts Powershell (via cmd or directly) 8->50 52 3 other signatures 8->52 11 powershell.exe 7 8->11         started        process5 signatures6 54 Suspicious powershell command line found 11->54 56 Found suspicious powershell code related to unpacking or dynamic code loading 11->56 14 powershell.exe 14 15 11->14         started        18 conhost.exe 11->18         started        process7 dnsIp8 26 uploaddeimagens.com.br 172.67.215.45, 443, 49777 CLOUDFLARENETUS United States 14->26 28 79.110.48.52, 49778, 80 OTAVANET-ASCZ Germany 14->28 58 Writes to foreign memory regions 14->58 60 Injects a PE file into a foreign processes 14->60 20 RegAsm.exe 2 14->20         started        signatures9 process10 dnsIp11 24 evantelamin.top 185.244.151.84, 49779, 49780, 587 HSAE Netherlands 20->24 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->40 42 Tries to steal Mail credentials (via file / registry access) 20->42 44 Tries to harvest and steal browser information (history, passwords, etc) 20->44 signatures12
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2023-09-25 12:06:24 UTC
File Type:
Text (VBS)
AV detection:
6 of 23 (26.09%)
Threat level:
  2/5
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 d33f5262375dff205d38b290de80d6b6a7b5edeb5a0d5f1b01048bd3a371cd42

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
Szabolcs Schmidt commented on 2023-09-26 07:34:57 UTC

hxxp://79.110.48(.)52/nigazxbb.vbs