MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517. 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 6 File information Comments
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SHA256 hash: 9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517
SHA3-384 hash: 4e7149d8fc80bedaba3230cc9e36f83346b73795607d8ffb6ce2ffd7548d97fcbf970a88c2a3b452dd0eb9d478a33cf2
SHA1 hash: 646c3614587b0ee092871303e34417fa67b0120b
MD5 hash: 7673383712fa18c538dcd767c3dab10c
humanhash: bacon-bluebird-quiet-triple
File name:kwen.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:630'668 bytes
First seen:2023-07-25 12:57:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:RMxzakfvO0n33Y3iE1RVps8qh783h83h83h83h83h83683h83h83h83h83h83l8c:RMxzakFYy22222l22222622222A2222j
Threatray 9 similar samples on MalwareBazaar
TLSH T1A5D4F1112DDF5008A5776D8A1BF478A48F3F76712F3AC05E3049460A0BD7EA0EDA5F6A
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter malwarelabnet
Tags:AgentTesla vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/432174/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.8362.28946.25499.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint stealer
Link:
https://www.filescan.io/uploads/64bfc6dbc9eaf6e23b9ab670/reports/d9809108-1e31-4663-9e98-18d4e595c0e8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279150
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279150 Sample: kwen.vbs Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic 2->28 30 Multi AV Scanner detection for domain / URL 2->30 32 Found malware configuration 2->32 34 5 other signatures 2->34 7 wscript.exe 1 2->7         started        process3 signatures4 36 VBScript performs obfuscated calls to suspicious functions 7->36 38 Suspicious powershell command line found 7->38 40 Wscript starts Powershell (via cmd or directly) 7->40 42 Very long command line found 7->42 10 powershell.exe 14 7 7->10         started        process5 dnsIp6 24 79.110.49.55, 49719, 80 OTAVANET-ASCZ Germany 10->24 44 Writes to foreign memory regions 10->44 46 Found suspicious powershell code related to unpacking or dynamic code loading 10->46 48 Injects a PE file into a foreign processes 10->48 14 RegSvcs.exe 2 10->14         started        18 RegSvcs.exe 10->18         started        20 conhost.exe 10->20         started        22 RegSvcs.exe 10->22         started        signatures7 process8 dnsIp9 26 mail.controlports.info 93.158.209.5, 49720, 587 SERVERIUS-ASNL Netherlands 14->26 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Tries to steal Mail credentials (via file / registry access) 14->52 54 Tries to harvest and steal browser information (history, passwords, etc) 14->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->56 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517/
Threat name:
Script-WScript.Trojan.Minerva
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 00:55:55 UTC
File Type:
Text (VBS)
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tlcfaru7pgnskhom4ue737dukga2x2xsd4bncskqk32t6tet4ulq._file
Verdict:
malicious
Similar samples:
153c3fbb73c454e077ba248871f1159f8d6c9df46d5f42d35ac6d99713ab09b0
AgentTesla
27c66e4fca745ecd962769fd00218d7a645f338a6e20b25cce8b88d784a89a0a
AgentTesla
2ef96a32a575cbef0ac72b1e301112e6f82cab710167ef70a7bc0b77fda1f457
AgentTesla
3b4d2193bb4a864857c7ae8d11fbd20330001acf138f81c774dc7ce1e3363ed7
AgentTesla
b193ccd7335c6ff72974c4473c7848b1a917ad0842f752752d921b2e63e90236
AgentTesla
d154784bed48b36890a816c7d508b317dbc6b506c5c5726389611b9e142c020d
AgentTesla
e42328227b486a20674f9f12575df0a2bc3cab93a0030aa91c217c97ef56063c
AgentTesla
f3b7fb7d4522e5668e1255c75ec0749d27b8472b91f75ce772e7540d9ec56ec4
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230725-p6yebace69/
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
Checks computer location settings
Blocklisted process makes network request
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
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
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

AgentTesla

Visual Basic Script (vbs) vbs 9ac450469f799b251dcce509fdfc745181abeaf21f02d1495056f53f4c93e517

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2684989/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/432174/

Comments