MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa2ab361fceb9a23c64320afde89264a3bcd4f5b335a55c339454d511721721f. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash: fa2ab361fceb9a23c64320afde89264a3bcd4f5b335a55c339454d511721721f
SHA3-384 hash: ed74ab84146a2bae12c4be7fccf6caed0e21d5c32c7b616ecc648b8a270cae60dcd3dbfde88ccf6e3d8b754393b70055
SHA1 hash: f156d8ac71a3917a6849ea237599c744da34101f
MD5 hash: 52c25b04bd1538378909413ea9563780
humanhash: paris-delaware-butter-eight
File name:MULK.ps1
Download: download sample
Signature AgentTesla
File size:409'074 bytes
First seen:2025-03-21 19:48:52 UTC
Last seen:2025-03-22 10:44:29 UTC
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:jp/dd91IDWwTO/svxORt8WmN+kjDR7MQ7l:tddfIDysvxef7kDSU
TLSH T14F94DF318910BA2F8FEF0F8BB5142FD37C78247BCE551008A58F15AA5E78638597AF64
Magika powershell
Reporter skocherhan
Tags:176-65-144-3 AgentTesla opendir ps1


Avatar
skocherhan
http://176.65.144.3/FILE/MULK.ps1

Intelligence


File Origin
# of uploads :
3
# of downloads :
125
Origin country :
GB GB
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn msil
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex dropper obfuscated obfuscated packed packed
Verdict:
Malicious
Labled as:
MSILHeracles.217297;Gen:MSILHeracles.Generic
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
spre.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Suspicious execution chain found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1645492 Sample: MULK.ps1 Startdate: 21/03/2025 Architecture: WINDOWS Score: 100 27 premium162.web-hosting.com 2->27 29 ip-api.com 2->29 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 8 powershell.exe 16 2->8         started        signatures3 process4 file5 21 C:\Users\user\AppData\Local\Temp\WAEDA.exe, PE32 8->21 dropped 47 Suspicious execution chain found 8->47 49 Found suspicious powershell code related to unpacking or dynamic code loading 8->49 51 Powershell drops PE file 8->51 12 WAEDA.exe 3 8->12         started        15 conhost.exe 8->15         started        signatures6 process7 signatures8 53 Antivirus detection for dropped file 12->53 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->55 57 Writes to foreign memory regions 12->57 59 2 other signatures 12->59 17 RegAsm.exe 15 2 12->17         started        process9 dnsIp10 23 premium162.web-hosting.com 162.0.235.253, 49696, 587 NAMECHEAP-NETUS Canada 17->23 25 ip-api.com 208.95.112.1, 49693, 80 TUT-ASUS United States 17->25 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->31 33 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->33 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->35 37 5 other signatures 17->37 signatures11
Threat name:
Script-PowerShell.Spyware.Negasteal
Status:
Suspicious
First seen:
2025-03-21 19:49:09 UTC
File Type:
Text
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Executes dropped EXE
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
Agenttesla family
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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
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.

Web download

AgentTesla

PowerShell (PS) ps1 fa2ab361fceb9a23c64320afde89264a3bcd4f5b335a55c339454d511721721f

(this sample)

  
Delivery method
Distributed via web download

Comments