MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e98431154ce9e261ee8713504b34ae2c4654b7f69727fcaec3d22f247c161ce8. 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: 11


Intelligence 11 IOCs YARA 15 File information Comments

SHA256 hash: e98431154ce9e261ee8713504b34ae2c4654b7f69727fcaec3d22f247c161ce8
SHA3-384 hash: 8fdb8f728be22a7ae557a15a35b0428088c29597a85b30e7fc7423068e6c97529b077a733c2fc3fbcc887d3516d31f05
SHA1 hash: 4eaa8dec8b07bd03c0f45ce2549faa9afb3327bc
MD5 hash: b6fdc1fd3b98fc9d788112aed2894794
humanhash: kansas-sweet-pluto-mars
File name:SHIPPING DOCUMENT_PDF.vbs
Download: download sample
Signature AgentTesla
File size:71'063 bytes
First seen:2024-05-16 15:30:10 UTC
Last seen:2024-05-17 05:49:53 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:0YBJsU3Mhnm7ZxJqOYjvqL0tDMn802oDwcK/rYVoKbEJF:0isU8Ax0OqvqAZMn80Ea+
TLSH T131633A73D606CEB543AB0F2CEB881765A15E44760676DE1FE3839C0244F9A7A246E7CC
Reporter abuse_ch
Tags:AgentTesla GuLoader vbs


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.cash4cars.nz:26

Intelligence


File Origin
# of uploads :
3
# of downloads :
97
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper evasive lolbin masquerade wscript
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Potential malicious VBS script found (has network functionality)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1442754 Sample: SHIPPING DOCUMENT_PDF.vbs Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 26 mail.cash4cars.nz 2->26 28 us-east-1.route-1.000webhost.awex.io 2->28 30 2 other IPs or domains 2->30 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 8 wscript.exe 2 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\Temp\x.exe, PE32 8->20 dropped 50 Benign windows process drops PE files 8->50 52 VBScript performs obfuscated calls to suspicious functions 8->52 54 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->54 56 Suspicious execution chain found 8->56 12 x.exe 15 3 8->12         started        signatures6 process7 dnsIp8 32 us-east-1.route-1.000webhost.awex.io 145.14.145.48, 443, 49699 AWEXUS Netherlands 12->32 58 Antivirus detection for dropped file 12->58 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 3 other signatures 12->64 16 RegAsm.exe 14 2 12->16         started        signatures9 process10 dnsIp11 22 mail.cash4cars.nz 114.142.162.17, 26, 49701 SERVERMULE-AS-APNimbus2PtyLtdAU Australia 16->22 24 api.ipify.org 104.26.12.205, 443, 49700 CLOUDFLARENETUS United States 16->24 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->34 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->36 38 Tries to steal Mail credentials (via file / registry access) 16->38 40 2 other signatures 16->40 signatures12
Threat name:
Script-WScript.Trojan.Guloader
Status:
Malicious
First seen:
2024-05-16 07:11:12 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


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

Comments