MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3490b8097e4e9336d360f9998cc904fc90af46470232c631f3071425bb869e5. 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: 20


Intelligence 20 IOCs YARA 20 File information Comments

SHA256 hash: e3490b8097e4e9336d360f9998cc904fc90af46470232c631f3071425bb869e5
SHA3-384 hash: dd729cfd8cb5af729a5dd9b4175a69693c4c552e6abcfba6e1e4d0f236388aa0400fc05c6dff17496f4d777cedf4a3e6
SHA1 hash: 25e617b1507f9720a466acb832c39aa73a3da57b
MD5 hash: b933be57d13d07f5d9283fedd0ebcea0
humanhash: mexico-fish-freddie-kitten
File name:dekont_html.exe
Download: download sample
Signature AgentTesla
File size:884'736 bytes
First seen:2025-04-15 10:28:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:xEaM1josNkUmH2zoQLuwh52ln/JdHMk+zwE5MF3vDVfMpKuEc:w02wl/JdH4ybVf1
Threatray 3'482 similar samples on MalwareBazaar
TLSH T1C715BE5027BC5B22F17A87F95421E03897F23E8F546ED75E5EC27CDB39A9B004922A13
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 lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
472
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
dekont_html.exe
Verdict:
Malicious activity
Analysis date:
2025-04-15 10:32:23 UTC
Tags:
evasion stealer ultravnc rmm-tool exfiltration agenttesla netreactor smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
krypt spawn lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
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
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
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 dropped file
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
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1665251 Sample: dekont_html.exe Startdate: 15/04/2025 Architecture: WINDOWS Score: 100 50 smtp.infroyale.com 2->50 52 us2.smtp.mailhostbox.com 2->52 54 ip-api.com 2->54 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 9 other signatures 2->66 8 dekont_html.exe 7 2->8         started        12 iHGyDTPpzPH.exe 5 2->12         started        signatures3 process4 file5 42 C:\Users\user\AppData\...\iHGyDTPpzPH.exe, PE32 8->42 dropped 44 C:\Users\...\iHGyDTPpzPH.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmp5D27.tmp, XML 8->46 dropped 48 C:\Users\user\AppData\...\dekont_html.exe.log, ASCII 8->48 dropped 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->68 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 8->72 78 2 other signatures 8->78 14 dekont_html.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 76 Injects a PE file into a foreign processes 12->76 24 iHGyDTPpzPH.exe 12->24         started        26 schtasks.exe 12->26         started        28 iHGyDTPpzPH.exe 12->28         started        30 2 other processes 12->30 signatures6 process7 dnsIp8 56 ip-api.com 208.95.112.1, 49714, 49718, 80 TUT-ASUS United States 14->56 58 us2.smtp.mailhostbox.com 208.91.199.225, 49717, 49719, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->58 80 Loading BitLocker PowerShell Module 18->80 32 conhost.exe 18->32         started        34 WmiPrvSE.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->82 84 Tries to steal Mail credentials (via file / registry access) 24->84 86 Tries to harvest and steal ftp login credentials 24->86 88 Tries to harvest and steal browser information (history, passwords, etc) 24->88 40 conhost.exe 26->40         started        signatures9 process10
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-04-15 10:10:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger 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
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
Verdict:
Malicious
Tags:
external_ip_lookup
YARA:
n/a
Unpacked files
SH256 hash:
e3490b8097e4e9336d360f9998cc904fc90af46470232c631f3071425bb869e5
MD5 hash:
b933be57d13d07f5d9283fedd0ebcea0
SHA1 hash:
25e617b1507f9720a466acb832c39aa73a3da57b
SH256 hash:
991d5f7d0b4f75bc568069d8e133443575b76f447efcb1945966b49c633675d6
MD5 hash:
668f12824f24e7dfd2096d2116d62566
SHA1 hash:
59ccb54133b8cba24ac60089339031dbe3aa8495
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
896e26244cc0e73d03e972a2aec07d4299e4ca9a9e5b7d4cc6c3481a60882d66
MD5 hash:
5b3e08e772e3fe9eeade3a750cfc26e4
SHA1 hash:
5b3658890acd299defe4c599f8bb23813b6759c3
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
92381068ba0659eb245a1ee75d35ade385d9d1c866258482fec1ecf833b0bc38
MD5 hash:
a56552a23b0e99456abff9764ab0a3cd
SHA1 hash:
b1a91454c99cbf6201bd55e09cb946da60e67402
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_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 e3490b8097e4e9336d360f9998cc904fc90af46470232c631f3071425bb869e5

(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 (HIGH_ENTROPY_VA)high

Comments