MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 344be2ed196b4a682ecfecbd49caa628e125702271d7bfb16ac401aa1e0ebae9. 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: 21


Intelligence 21 IOCs YARA 20 File information Comments

SHA256 hash: 344be2ed196b4a682ecfecbd49caa628e125702271d7bfb16ac401aa1e0ebae9
SHA3-384 hash: f46586f20657d7922613bd306e08bbb189a637783c8a7ba1b37e1d454c6c36dd40cb4a2df244c6b52299a238e6e739b5
SHA1 hash: 718c47e07b5523daf9edbc3605a47355d169b474
MD5 hash: 81271ec51815096300c4063846232314
humanhash: cardinal-rugby-emma-fish
File name:tecnostyl_20250804_637376648836483.exe
Download: download sample
Signature AgentTesla
File size:692'736 bytes
First seen:2025-08-05 01:45:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:M3NxPma4DK8UkERzzdSflVnrHoGzWe7in7wjH2Fgk6cK+IE1Dt:4NxOa4OJzAfPnkGzDq7wb25cE1
TLSH T1FEE4126E2A95C527E04473B109A6F73C637C1D9EE215D309EBFAADC7785F222560C382
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon d9b8e8e8e96982ce (6 x SnakeKeylogger, 4 x AgentTesla, 4 x Formbook)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
tecnostyl_20250804_637376648836483.exe
Verdict:
Malicious activity
Analysis date:
2025-08-05 01:45:52 UTC
Tags:
stealer ultravnc rmm-tool agenttesla exfiltration smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
philis trojan hello lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla base64 bitmap infostealer lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet windows
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1750217 Sample: tecnostyl_20250804_63737664... Startdate: 05/08/2025 Architecture: WINDOWS Score: 100 31 mail.puragenicindia.com 2->31 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 8 tecnostyl_20250804_637376648836483.exe 4 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 29 tecnostyl_20250804...76648836483.exe.log, ASCII 8->29 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->55 57 Adds a directory exclusion to Windows Defender 8->57 59 Injects a PE file into a foreign processes 8->59 15 tecnostyl_20250804_637376648836483.exe 2 8->15         started        19 powershell.exe 23 8->19         started        21 tecnostyl_20250804_637376648836483.exe 8->21         started        23 2 other processes 8->23 33 127.0.0.1 unknown unknown 12->33 file6 signatures7 process8 dnsIp9 35 mail.puragenicindia.com 192.185.129.241, 49715, 587 UNIFIEDLAYER-AS-1US United States 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal ftp login credentials 15->41 43 Tries to harvest and steal browser information (history, passwords, etc) 15->43 45 Loading BitLocker PowerShell Module 19->45 25 WmiPrvSE.exe 19->25         started        27 conhost.exe 19->27         started        signatures10 process11
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.19 Win 32 Exe x86
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-08-05 01:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_037 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 WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
Unpacked files
SH256 hash:
344be2ed196b4a682ecfecbd49caa628e125702271d7bfb16ac401aa1e0ebae9
MD5 hash:
81271ec51815096300c4063846232314
SHA1 hash:
718c47e07b5523daf9edbc3605a47355d169b474
SH256 hash:
41c5eb2e427949f2759cfd002750a15e072eb40e0bd66cbad77c970a8b7c637f
MD5 hash:
8861b62f7e476363cabd1fbeea185bd6
SHA1 hash:
42a083ae1e718bf14d944c3800ed4ec709e47f92
SH256 hash:
f61be0bd1fff1d218d5a74306848726e789b6d8c65f55724ec7904eeaeffd761
MD5 hash:
719270e620cc20fd2b7d3e874da50a82
SHA1 hash:
b48990989ebf47cd8265f8e450d9126fdbea5482
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
SH256 hash:
31eae8a4690148233d60f3cb12e43f82db22859bdc574fee3f5069dbd20b36f2
MD5 hash:
618008c40064295b6110479546ec0309
SHA1 hash:
ebdebea8cb401e2e0a16ac53b6851e69b37f5222
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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: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: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: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_imphash
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(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.

Malspam

AgentTesla

Executable exe 344be2ed196b4a682ecfecbd49caa628e125702271d7bfb16ac401aa1e0ebae9

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments