MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553
SHA3-384 hash: aa39f57812ef33ca9fac3d84785bd2f6b72cb51e6c236da00eebe0e0e76230321b48616e01e4ddae0b06f77ca05b96d8
SHA1 hash: 7624eb01da36d87a35319b1a73dab4ddfde705a6
MD5 hash: a912f849e565497eb3832a8fc72ab34a
humanhash: mexico-robin-potato-georgia
File name:PO89809435.vbs
Download: download sample
Signature AgentTesla
Create hunting rule
File size:285'376 bytes
First seen:2023-05-22 08:50:33 UTC
Last seen:2023-05-22 14:09:03 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:9Hmd+CKN/SoY+oYFt6C26S17haPCFjhWubLf7LUz0RkJDY2mT+NSlS:9Hmxw/kYF617hQCFrvffUz0RGPn
Threatray 3'007 similar samples on MalwareBazaar
TLSH T12D542752D1DE80C4F3F22D57ABBE51A83BB7B894AC388D4D4488DA3A7BDE400CD51766
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 :
2
# of downloads :
126
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Agent.BAW.16799.23653.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/646b2cfb5c0e83bc226afbcc/reports/803e33ee-ca01-480c-aaa8-c2f366e32a26/overview
Verdict:
Malicious
Labled as:
VBS/Agent.BAW
Link:
https://www.hybrid-analysis.com/sample/c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553
Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1239439
Signature
Antivirus detection for URL or domain
Found malware configuration
Injects a PE file into a foreign processes
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: RegAsm connects to smtp port
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: 872438 Sample: PO89809435.vbs Startdate: 22/05/2023 Architecture: WINDOWS Score: 100 30 Snort IDS alert for network traffic 2->30 32 Found malware configuration 2->32 34 Antivirus detection for URL or domain 2->34 36 4 other signatures 2->36 7 wscript.exe 1 2->7         started        process3 signatures4 38 VBScript performs obfuscated calls to suspicious functions 7->38 40 Suspicious powershell command line found 7->40 42 Wscript starts Powershell (via cmd or directly) 7->42 44 Very long command line found 7->44 10 powershell.exe 14 7 7->10         started        process5 dnsIp6 24 yorkrefrigerent.md 195.178.106.125, 443, 49707 TOPHOST-MD-ASRMoldovaChisinauParis18ARO Romania 10->24 46 Writes to foreign memory regions 10->46 48 Injects a PE file into a foreign processes 10->48 14 RegAsm.exe 2 10->14         started        18 RegAsm.exe 10->18         started        20 conhost.exe 10->20         started        22 RegAsm.exe 10->22         started        signatures7 process8 dnsIp9 26 itzayanaland.com 107.161.75.133, 49708, 587 IWEB-ASCA Canada 14->26 28 mail.itzayanaland.com 14->28 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/c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 08:51:07 UTC
File Type:
Text
AV detection:
3 of 37 (8.11%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yjmk34abl4lapmvqswkmx3cb3zynqfuctaqgsx4ms54oysyr2vjq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
005db23050895f239546d175465a49e57e399c1a880b9f585eebcce477f4e872
AgentTesla
07f01993306030d708dc2b5b42d4a6aef41c0c2f597aca066138689a6722a25d
AgentTesla
158d9c5a8c7290c638708e4843cb732e395c1ef4d782e1425220cb54467f27dd
AgentTesla
168a35684463330d195c42fa3a922b6f5f76c1482859249ddedd5db5298a4db8
AgentTesla
1b07cef24d36e5bad35ec6329471bad42b1cfa74fb304d1b855c81882b213b51
AgentTesla
1ecd2d55db79d55f1923ac98e1edf145d5d4ab3260c9dfeb7fa0986aa5414c8e
AgentTesla
207101f6912ab3d1db4eb31783037685cade90fbc6ed91dffc1c53138b8436ff
AgentTesla
246f36c1b3697639786e4b47aa79b04f2d7e60006b573e904932d44558f94b73
AgentTesla
939dade156478ff0c13348085097b64763aef9007ed30b6f084f01ad9a086ad0
AgentTesla
+ 2'997 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230522-kr7bfshh9y/
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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c258adf0015f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553

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:SUSP_VBS_Wscript_Shell
Create hunting rule
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.

Malspam

AgentTesla

Visual Basic Script (vbs) vbs c258adf0015f1607b2b09594cbec41de70d816829820695f8c9778ec4b11d553

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments