MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a10431e043b70db47e5617767f04f8565b7c5af7de0e76256190d56565fc06b1. 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: 17


Intelligence 17 IOCs YARA 24 File information Comments

SHA256 hash: a10431e043b70db47e5617767f04f8565b7c5af7de0e76256190d56565fc06b1
SHA3-384 hash: 6bae66e3275787a2d004b3e10bb2d6d380afe69484fa504f851ac11b66b13610312f840ebdb5afcc2d0af52520848533
SHA1 hash: e3a7421ddde3d52eca801fb1d59506b1a8b54a35
MD5 hash: 673ac1c466056005b21d8bd5f0230bd9
humanhash: echo-nineteen-arkansas-kansas
File name:a10431e043b70db47e5617767f04f8565b7c5af7de0e76256190d56565fc06b1
Download: download sample
Signature AgentTesla
File size:3'433'080 bytes
First seen:2025-10-09 15:07:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 49152:6YA8iGDbtc0vjjNmZf9ijYAYuvO4GJFomIJ1A0lsz/dxvec3J:6YA8zm0vXwqbGnpEO/dxR
Threatray 28 similar samples on MalwareBazaar
TLSH T13AF52913FBCA597BC281B7BBC2F748626320E5512353EB0B764E6365680773B9B81163
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 adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
a10431e043b70db47e5617767f04f8565b7c5af7de0e76256190d56565fc06b1.exe
Verdict:
Malicious activity
Analysis date:
2025-10-09 19:30:26 UTC
Tags:
auto-startup evasion stealer ultravnc rmm-tool agenttesla netreactor

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

Behaviour
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Launching a service
Creating a window
Stealing user critical data
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 expired-cert fingerprint invalid-signature net_reactor obfuscated packed packed signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-28T19:51:00Z UTC
Last seen:
2025-10-09T05:33:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-09-28 22:52:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
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
Unpacked files
SH256 hash:
a10431e043b70db47e5617767f04f8565b7c5af7de0e76256190d56565fc06b1
MD5 hash:
673ac1c466056005b21d8bd5f0230bd9
SHA1 hash:
e3a7421ddde3d52eca801fb1d59506b1a8b54a35
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
b4faaeaf6de0f68eddcea46f2fea875aedfa4112905baef31f7a0cb1b78330e2
MD5 hash:
cdaa39de1411751c7c9bc9deaf9b6365
SHA1 hash:
5f3b8a315188abbb23d552673714e9a4ec50dbab
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
aec1fa212cce2158a6e65310191e941f5188cd8eb8bf992a4b8ff2897226fb16
MD5 hash:
b33f35f63ff5b11a29c210fd868773fa
SHA1 hash:
b0792051bb4cadf7ed2719122078289739896af5
SH256 hash:
fb247f5397ba1b2d9328d1acc2fd322181a91ced1953853abb41718dc21198ae
MD5 hash:
a21df2c0cca131eb534f520fd641adb5
SHA1 hash:
cd39e12e326191888b836c3419ac2cb71c2b5b11
Detections:
win_agent_tesla_g2 AgentTesla Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 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
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:agentesla
Author:Michelle Khalil
Description:This rule detects unpacked agenttesla malware samples.
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
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.

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