MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a1ba4724b229bfa608f8a53731434c1ebaa57bf16143086b163e21afc6ca833. 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 2 File information Comments

SHA256 hash: 1a1ba4724b229bfa608f8a53731434c1ebaa57bf16143086b163e21afc6ca833
SHA3-384 hash: e3275ec999925cf5136b190d843726219202693fc6473200afbe5422d2559e52112dde420233646db95c176302d98c90
SHA1 hash: 8e6c15420724ad7e3edbb938007c109e9fee29d1
MD5 hash: 9e71f62f7488e928cff1304dceb99e94
humanhash: three-one-butter-carolina
File name:Scan-Docs-ord09334rn-pdf.js
Download: download sample
Signature AgentTesla
File size:934 bytes
First seen:2023-04-06 06:59:29 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24:p+jZa85my142MfcmZE/CA82cEXEk6bNbee:Ua8ZPSc6wVNcEYT
TLSH T1DB114C1E9C1DF18662753BFBAB1BAA4CDDE1483B2613E612768CEEC16F3402405A4D5F
Reporter abuse_ch
Tags:AgentTesla js

Intelligence


File Origin
# of uploads :
1
# of downloads :
299
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
nemucod obfuscated shell32.dll sload virus
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Detected unpacking (overwrites its own PE header)
Installs a global keyboard hook
JavaScript file contains suspicious strings
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842358 Sample: Scan-Docs-ord09334rn-pdf.js Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 JavaScript file contains suspicious strings 2->50 8 wscript.exe 14 2->8         started        process3 dnsIp4 34 transfer.sh 144.76.136.153, 443, 49692 HETZNER-ASDE Germany 8->34 24 C:\Users\user\AppData\Roaming\chromee.exe, PE32 8->24 dropped 60 System process connects to network (likely due to code injection or exploit) 8->60 62 Benign windows process drops PE files 8->62 64 JScript performs obfuscated calls to suspicious functions 8->64 13 chromee.exe 19 8->13         started        file5 signatures6 process7 file8 26 C:\Users\user\AppData\Local\Temp\pxtmk.exe, PE32 13->26 dropped 66 Multi AV Scanner detection for dropped file 13->66 68 Machine Learning detection for dropped file 13->68 17 pxtmk.exe 13->17         started        signatures9 process10 signatures11 36 Multi AV Scanner detection for dropped file 17->36 38 Detected unpacking (overwrites its own PE header) 17->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->40 42 3 other signatures 17->42 20 pxtmk.exe 15 7 17->20         started        process12 dnsIp13 28 discord.com 162.159.128.233, 443, 49696 CLOUDFLARENETUS United States 20->28 30 api4.ipify.org 64.185.227.155, 443, 49695 WEBNXUS United States 20->30 32 2 other IPs or domains 20->32 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->52 54 Tries to steal Mail credentials (via file / registry access) 20->54 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 58 Installs a global keyboard hook 20->58 signatures14
Threat name:
Script-JS.Trojan.Heuristic
Status:
Malicious
First seen:
2023-04-06 00:57:10 UTC
File Type:
Text (VBS)
AV detection:
12 of 36 (33.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
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:SUSP_OneNote
Author:spatronn
Description:Hard-Detect One
Rule name:SUSP_Websites
Author:SECUINFRA Falcon Team
Description:Detects the reference of suspicious sites that might be used to download further malware

File information


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

Malspam

AgentTesla

Java Script (JS) js 1a1ba4724b229bfa608f8a53731434c1ebaa57bf16143086b163e21afc6ca833

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments