MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df
SHA3-384 hash: f55fc93087fc8f458b7b0d1db01cbc33fc62f24ffdb92862cf21ac2efdad918900f37c64589b300c257bcb2a8e19f763
SHA1 hash: 960dca61361171e18344e576b5fd6da1f310908a
MD5 hash: 6f4edbc0a83e58417cb192fffc504611
humanhash: twenty-five-timing-chicken
File name:에이치엔제이상사 슈퍼실리케이트(신규6도.js
Download: download sample
Signature AgentTesla
Create hunting rule
File size:19'529 bytes
First seen:2024-02-09 15:41:53 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 384:tCkZK4l37JYHr637JAEU37JeaRE537JRiUILq37JW6b+yO8zSnBscK4r6t:tFZ/37JYG37JA/37JekE537JYUF37JWc
TLSH T113929788AE4A435565B7437C1B56591CFF98027FCA00C369B89E938C7F3492089B7EDE
Reporter abuse_ch
Tags:AgentTesla js


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.asdekorasyon.com.tr:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Link:
https://www.hybrid-analysis.com/sample/c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1389870
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript file contains suspicious strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
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
Sigma detected: MSBuild connects to smtp port
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Snort IDS alert for network traffic
Suspicious execution chain found
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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 dnsIp2 2 Behavior Graph ID: 1389870 Sample: dc6#Ub3c4.js Startdate: 09/02/2024 Architecture: WINDOWS Score: 100 30 mail.asdekorasyon.com.tr 2->30 32 allstarprivate.net 2->32 34 3 other IPs or domains 2->34 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 15 other signatures 2->52 9 wscript.exe 1 3 2->9         started        signatures3 process4 dnsIp5 40 allstarprivate.net 104.21.72.251, 443, 49729, 49730 CLOUDFLARENETUS United States 9->40 26 C:\Users\user\AppData\Roaming\UPDATE.ps1, ASCII 9->26 dropped 28 C:\Users\Public\example.txt, ASCII 9->28 dropped 62 System process connects to network (likely due to code injection or exploit) 9->62 64 JScript performs obfuscated calls to suspicious functions 9->64 66 Wscript starts Powershell (via cmd or directly) 9->66 68 2 other signatures 9->68 14 cmd.exe 1 9->14         started        file6 signatures7 process8 signatures9 70 Wscript starts Powershell (via cmd or directly) 14->70 72 Bypasses PowerShell execution policy 14->72 17 powershell.exe 14 15 14->17         started        20 conhost.exe 14->20         started        process10 signatures11 42 Writes to foreign memory regions 17->42 44 Injects a PE file into a foreign processes 17->44 22 MSBuild.exe 15 2 17->22         started        process12 dnsIp13 36 mail.asdekorasyon.com.tr 185.85.205.51, 49733, 49734, 49739 GARANTISERVER-COMGarantiServerDatacenterTR Turkey 22->36 38 api.ipify.org 104.26.12.205, 443, 49732 CLOUDFLARENETUS United States 22->38 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->54 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->56 58 Tries to steal Mail credentials (via file / registry access) 22->58 60 2 other signatures 22->60 signatures14
Score:
74%
Verdict:
Malware
File Type:
ASCII
Link:
https://malprob.io/report/c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-02-09 15:42:07 UTC
File Type:
Text (JavaScript)
AV detection:
3 of 38 (7.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yalfomygf2k6ysnmedqfu2qilivl56vd2kt5tanms43xqgrsuxpq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240209-s5cb8scf21/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df

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
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

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 c0165733062e95ec49ac20e05a6a085a2abefaa3d2a7d981ac9737781a32a5df

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments