MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6435d167628a91820c8440d2fbf10fe6f823e64c33a597eca56021322c47bb4. 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: 22


Intelligence 22 IOCs YARA 3 File information Comments

SHA256 hash: b6435d167628a91820c8440d2fbf10fe6f823e64c33a597eca56021322c47bb4
SHA3-384 hash: b490bb3a47f89614d90641260190cc35dda079b88fcd33ccaed5a3a597f8b488a294bc369fa144226d026b30e0426431
SHA1 hash: 34784175788212bc73886e63406b2e065b5a5fa8
MD5 hash: 623f50ad88aa92d583259a29fe5f9354
humanhash: fruit-three-jersey-one
File name:25000001110887000108871.exe
Download: download sample
Signature AgentTesla
File size:699'904 bytes
First seen:2025-10-15 21:26:26 UTC
Last seen:2025-11-06 10:37:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:jxhXGBT/joYEPo0IKkUwxuOlu5WGeVPcTc1UcgR1Oc2GBhQbA:sjjtiZ3woau5WGWcTc1B41OcxBus
Threatray 3'576 similar samples on MalwareBazaar
TLSH T114E4230E6B21D213CE2C5BB7C103759C41B9AAB5F643F3F667C82E069F27B81965640B
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 threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
179
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
25000001110887000108871.exe
Verdict:
Malicious activity
Analysis date:
2025-10-15 21:29:24 UTC
Tags:
evasion stealer agenttesla ftp exfiltration

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

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
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 infostealer keylogger lolbin msbuild obfuscated obfuscated packed reconnaissance regsvcs rezer0 roboski schtasks vbc windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-15T10:37:00Z UTC
Last seen:
2025-10-15T20:45:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.MSIL.Agensla.g Trojan-PSW.MSIL.Agensla.d Trojan.MSIL.Taskun.sb HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan-PSW.Win32.Disco.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-Spy.MSIL.Agent.sb VHO:Backdoor.Win32.Agent.gen Trojan.Win32.Agent.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.sb Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan.MSIL.Inject.sb PDM:Trojan.Win32.Generic Trojan-PSW.MSIL.Agent.sb NetTool.PlainTextCredentials.FTP.C&C
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
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
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1796120 Sample: 25000001110887000108871.exe Startdate: 15/10/2025 Architecture: WINDOWS Score: 100 26 ip-api.com 2->26 30 Suricata IDS alerts for network traffic 2->30 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 10 other signatures 2->36 8 25000001110887000108871.exe 4 2->8         started        signatures3 process4 file5 24 C:\Users\...\25000001110887000108871.exe.log, ASCII 8->24 dropped 38 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->42 44 2 other signatures 8->44 12 25000001110887000108871.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        18 25000001110887000108871.exe 8->18         started        signatures6 process7 dnsIp8 28 ip-api.com 208.95.112.1, 49690, 80 TUT-ASUS United States 12->28 46 Tries to steal Mail credentials (via file / registry access) 12->46 48 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->48 50 Tries to harvest and steal browser information (history, passwords, etc) 12->50 52 Loading BitLocker PowerShell Module 16->52 20 conhost.exe 16->20         started        22 WmiPrvSE.exe 16->22         started        signatures9 process10
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-15 19:11:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
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
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
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:
b6435d167628a91820c8440d2fbf10fe6f823e64c33a597eca56021322c47bb4
MD5 hash:
623f50ad88aa92d583259a29fe5f9354
SHA1 hash:
34784175788212bc73886e63406b2e065b5a5fa8
SH256 hash:
b6781edd819929c2fe8b41985314c4eaed3c35ce05a61cdf911da3f09de53074
MD5 hash:
69fe9dc75c1792830f0a6d2525d05b22
SHA1 hash:
ae712836721804406194a813b91c7dd9f122d28c
SH256 hash:
74f31347f6637235872d096b7eb4c9123ab5e7812462b298b521345492ad3326
MD5 hash:
d6fad7f2a065f07d25b71d1ebb882f80
SHA1 hash:
cbbcb41c7ea8dabefff4af3bf1f7c8ddc5886806
Detections:
win_agent_tesla_g2 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_Win_AgentTeslaV2
SH256 hash:
0751465224152b2ce25c892e7e10c843c890b5c9cf063af89b05744ebc081a93
MD5 hash:
df8b2f076048891da394633fdd3bf3e8
SHA1 hash:
f7faf61d20975e987b68560527c96dda364e84d1
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe b6435d167628a91820c8440d2fbf10fe6f823e64c33a597eca56021322c47bb4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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