MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b536d2ba94bc4720cebc07ed39fc7643bdaea35b09b7112a09fef013123ca6. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: f9b536d2ba94bc4720cebc07ed39fc7643bdaea35b09b7112a09fef013123ca6
SHA3-384 hash: 2d8570538de72d0d28f6ee2dfc35a1e4771d834bd4c3fb4aa5be56b535438a2306cc8c5299e05808bd6ee6f636acc4da
SHA1 hash: 0e5194c9b6012caa59b54f51a6fae4cb2eb80e67
MD5 hash: ddf77570f9ca80d37061d5309d84fb20
humanhash: louisiana-asparagus-april-queen
File name:Listed specification.vbs
Download: download sample
Signature AgentTesla
File size:165'332 bytes
First seen:2023-06-12 11:15:19 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:prZccvQvgpdpPZU+ogsUJW4Wrle/PhG+/kery+bGW:ugpdpe+og0S7N
Threatray 590 similar samples on MalwareBazaar
TLSH T1BEF3114362EA4DC8B5F62A9B5A7751344BF7BD99687DC69D00CC640E0BE3A4C88607F3
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 :
126
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
May check the online IP address of the machine
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
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
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 885928 Sample: Listed_specification.vbs Startdate: 12/06/2023 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AgentTesla 2->40 42 Sample uses string decryption to hide its real strings 2->42 7 wscript.exe 1 2->7         started        10 evZIjV.exe 2 2->10         started        12 evZIjV.exe 1 2->12         started        process3 signatures4 44 VBScript performs obfuscated calls to suspicious functions 7->44 46 Suspicious powershell command line found 7->46 48 Wscript starts Powershell (via cmd or directly) 7->48 14 powershell.exe 14 14 7->14         started        17 conhost.exe 10->17         started        19 conhost.exe 12->19         started        process5 signatures6 58 Writes to foreign memory regions 14->58 60 Injects a PE file into a foreign processes 14->60 21 RegSvcs.exe 17 4 14->21         started        26 conhost.exe 14->26         started        process7 dnsIp8 30 mail.grasscarpet.ae 162.241.224.191, 49695, 587 UNIFIEDLAYER-AS-1US United States 21->30 32 api4.ipify.org 64.185.227.155, 443, 49694 WEBNXUS United States 21->32 34 2 other IPs or domains 21->34 28 C:\Users\user\AppData\Roaming\...\evZIjV.exe, PE32 21->28 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->52 54 May check the online IP address of the machine 21->54 56 3 other signatures 21->56 file9 signatures10
Threat name:
Script-WScript.Trojan.Heuristic
Status:
Malicious
First seen:
2023-06-11 11:51:11 UTC
File Type:
Text (VBS)
AV detection:
8 of 24 (33.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Blocklisted process makes network request
AgentTesla
Malware Config
Dropper Extraction:
https://firebasestorage.googleapis.com/v0/b/fir-8c14f.appspot.com/o/rump_vbs.txt?alt=media&token=5c856fd2-ba6f-4f74-bfdf-bef0787c6cca
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information


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

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