MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
SHA3-384 hash: ba2faa7aceefea80d812fa762ac6a29fb3ac084c56d30b9a6b5d309aaef0623eedc85158da92bddee93ed9a4326aba30
SHA1 hash: 47a39f1540cf158c542baa417117617a9065d46e
MD5 hash: 3ee4d5fc4ef74349d7c330acbf0ef718
humanhash: autumn-spring-september-neptune
File name:Vessel_Description_Particulars.pdf.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:986'624 bytes
First seen:2026-06-18 10:05:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'131 x AgentTesla, 20'159 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 24576:qwfNOyEh99IRqvxZsvRZFv/1UhxXXZaJk4Vt1lRJig:xfNOCqqRZDI4Sq1leg
Threatray 145 similar samples on MalwareBazaar
TLSH T1C9251208B3BADC13C2661BB594E2D03043B66E8AE933D95B2FD47DDF3A227914990743
TrID 72.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
NETReactor RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/25868cb4-40eb-4635-8057-2b81df2874b0/
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
_bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2.exe
Verdict:
Malicious activity
Analysis date:
2026-06-18 10:06:44 UTC
Tags:
auto-reg stealer ultravnc rmm-tool agenttesla
Link:
https://app.any.run/tasks/6bfaccfa-2ce4-4519-9720-8d51f95c8824

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/71150/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.250383.33161774.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a33c31054a045c3408a23ab
Tags:
infosteal shell sage smtp
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Changing a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed
Link:
https://www.filescan.io/uploads/6a33c3099799578a6c3f9534/reports/e288440a-195e-4ca7-be85-73bfd9e100f9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-18T06:51:00Z UTC
Last seen:
2026-06-20T06:54:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Spy.MSIL.Agent.sb Trojan-PSW.Agensla.TCP.C&C Trojan.MSIL.Crypt.sb Trojan-PSW.MSIL.Agensla.d Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Androm.sb Trojan.Taskun.TCP.ServerRequest Trojan-Spy.Agent.SMTP.C&C Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan.MSIL.Dnoper.sb PDM:Trojan.Win32.Generic HEUR:Backdoor.MSIL.Androm.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.g
Link:
https://opentip.kaspersky.com/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fe37b1fc-0cd4-42a3-a727-82023ae8c456
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1929881
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1929881 Sample: Vessel_Description_Particul... Startdate: 18/06/2026 Architecture: WINDOWS Score: 100 46 mail.illban.com 2->46 48 illban.com 2->48 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 17 other signatures 2->72 8 Vessel_Description_Particulars.pdf.bat.exe 1 7 2->8         started        12 powershell.exe 15 2->12         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 36 C:\Users\user\AppData\Roaming\qlQjUq.exe, PE32 8->36 dropped 38 C:\Users\user\...\qlQjUq.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\...\edft3hhl3ax.ps1, ASCII 8->40 dropped 42 Vessel_Description...ars.pdf.bat.exe.log, ASCII 8->42 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->74 76 Creates autostart registry keys with suspicious values (likely registry only malware) 8->76 78 Creates an autostart registry key pointing to binary in C:\Windows 8->78 80 2 other signatures 8->80 17 Vessel_Description_Particulars.pdf.bat.exe 2 8->17         started        21 powershell.exe 23 8->21         started        23 qlQjUq.exe 5 12->23         started        26 conhost.exe 12->26         started        50 127.0.0.1 unknown unknown 14->50 file6 signatures7 process8 dnsIp9 44 illban.com 192.185.129.35, 49681, 587 UNIFIEDLAYER-AS-1-UnifiedLayerUS United States 17->44 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->52 54 Tries to steal Mail credentials (via file / registry access) 17->54 56 Tries to harvest and steal ftp login credentials 17->56 58 Tries to harvest and steal browser information (history, passwords, etc) 17->58 60 Loading BitLocker PowerShell Module 21->60 28 WmiPrvSE.exe 21->28         started        30 conhost.exe 21->30         started        34 C:\Windows\Temp\nq523oto.inf, Windows 23->34 dropped 62 Antivirus detection for dropped file 23->62 64 Multi AV Scanner detection for dropped file 23->64 32 cmstp.exe 23->32         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
Gathering data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2/
Verdict:
Malicious
Threat:
Family.AGENTTESLA
Link:
https://tip.neiki.dev/file/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-06-18 09:53:11 UTC
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xq3zee3xwt7dsgueq63rc3fyxevtwcnrydu3j5epxgpsc72d53ba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
07b3056794ce85fb607a38d1a0856c3ad7886c2903d0ff7d72a0f172ef8fa7c6
AgentTesla
3b31dfbafa384d76f6de58cee45dcbddb88fbe54f21cc095c75963ef737b449a
AgentTesla
49ba20cde2a94d0f765022fcb03f8f61b7ba7e3503a90c4b371c3b37c54f80dd
AgentTesla
90e4a4b341c0fc976c1832f1eed2ef6bbb0cc7635ff507ea574e7233c6655515
AgentTesla
bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
AgentTesla
error
AgentTesla
+ 135 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection discovery execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/260618-l42r6sgz2x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
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
Family: AgentTesla
Unpacked files
SH256 hash:
bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
MD5 hash:
3ee4d5fc4ef74349d7c330acbf0ef718
SHA1 hash:
47a39f1540cf158c542baa417117617a9065d46e
Link:
https://www.unpac.me/results/33a78ed3-c9e8-4d47-8bc6-e34a23193737/
SH256 hash:
134beb7d103f678eabb344b526894cd68f9c126182988bee53d0df408708b103
MD5 hash:
ad7d1a83f5cfeb7a4048247c69d792e8
SHA1 hash:
7e001a7edc2397fa970827288814f38b39aadf8c
Detections:
win_agent_tesla_g2
Create hunting rule
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/33a78ed3-c9e8-4d47-8bc6-e34a23193737/
Parent samples :
43063e72f4684d346da8b8404d32ba8fd8be7565dd77e0a92faf0a50e792ad55
bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2
SH256 hash:
06a634c8fbd0a585e1e660475a04e7b315d08f4af8a4a58661cc112155d7ff71
MD5 hash:
bc0fbb3cc08e24f3e7607dd4db4ec2b3
SHA1 hash:
81d7865c6a32d9928c8db2409cb21ccf90235e1d
Link:
https://www.unpac.me/results/33a78ed3-c9e8-4d47-8bc6-e34a23193737/
SH256 hash:
09f0d4777eeb322290a8c8323eab7acf6fa1f97cf1f5813d58df177ee0f8d50d
MD5 hash:
c207af7bd36b6a119aacf5e1a8cf2d8c
SHA1 hash:
856c1fc0412c334571f472f2f4c2489e040cd5d0
Link:
https://www.unpac.me/results/33a78ed3-c9e8-4d47-8bc6-e34a23193737/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bc37921377b4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 bc37921377b4fe391a8487b7116cb8b92b3b09b1c0e9b4f48fb99f217f43eec2

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71150/

Comments