MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35. 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: 19


Intelligence 19 IOCs YARA 22 File information Comments

SHA256 hash: ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35
SHA3-384 hash: 4cb7ee026242e98c4d0691b4b3a8d9b5202656ebe57c2afb6607ef9ba61f236e75e5780eda04d262216340b2d60d9681
SHA1 hash: d5c6169b2c33e832f118e9aa18ce9e01fc0fda01
MD5 hash: 9b11bebdd9a12d8d4fd408cefd12103e
humanhash: four-mike-fourteen-green
File name:ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35
Download: download sample
Signature AgentTesla
File size:749'576 bytes
First seen:2025-10-14 15:42:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:CvAa63lX1bD1MMwPf80Cep9dROOtrPrjGP85L0argJL3h3feQB0Rrv9D6HQkxY6t:CvAa63lX1bD1MMwPf80Cep9dROOtrPrA
Threatray 3'420 similar samples on MalwareBazaar
TLSH T1D8F41228376AE806C59E0F755CB2C2B14BB9BE8EA811C3479DF9BDEF75763042141362
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter JAMESWT_WT
Tags:AgentTesla detarcoopmedical-com exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
_ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35.exe
Verdict:
Malicious activity
Analysis date:
2025-10-14 15:54:44 UTC
Tags:
netreactor evasion stealer agenttesla auto-sch-xml

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Sending a custom TCP request
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla base64 bitmap expired-cert infostealer invalid-signature lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks signed stego vbc vbnet windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-05-13T01:59:00Z UTC
Last seen:
2025-10-14T06:51:00Z UTC
Hits:
~1000
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.20 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-05-13 04:40:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ef9e1440789a46cd00ebe7bde8526eefd00e6d1363299d3ae3c1b01e891d7b35
MD5 hash:
9b11bebdd9a12d8d4fd408cefd12103e
SHA1 hash:
d5c6169b2c33e832f118e9aa18ce9e01fc0fda01
SH256 hash:
10e21954bcf867e93944211039cb569b8bc79ed45fbf610d305f26a3a0a76917
MD5 hash:
29a7454e361a19658432a4e053612081
SHA1 hash:
15b6215b3f068f2ca6bceed031ba85e62419620d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
a1cf25d1db64f0770a13d3179a2709f08c231b5133c7f2adb2fa450bc69c887b
MD5 hash:
3b5b4b45e6beb94f7598b7dd02acc32d
SHA1 hash:
1d7fbf2cc01a132ebf0dca52aee4f88280a20055
Detections:
win_agent_tesla_g2 AgentTesla Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
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: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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

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