MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4407d75c871e6d665e3b22d340948f5755cc373ae2a028ff60e9edda6a8989e2. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments

SHA256 hash: 4407d75c871e6d665e3b22d340948f5755cc373ae2a028ff60e9edda6a8989e2
SHA3-384 hash: 44d78679d1702a010503e6ba939931ffa32fe21db579085d3f912f2d3df3e8e9f65485242d07f7bd5da5dbb33e8c1017
SHA1 hash: 0a58dcb8389bcf59ca2bb537007a591a8c14742e
MD5 hash: 857fd1e45a973302c73413bd15bed6e2
humanhash: harry-neptune-alabama-early
File name:4407d75c871e6d665e3b22d340948f5755cc373ae2a028ff60e9edda6a8989e2
Download: download sample
Signature AgentTesla
File size:1'722'880 bytes
First seen:2020-11-14 18:24:26 UTC
Last seen:2020-11-14 19:42:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:GXa9PTl+UYTvXUqiPiAH3wZgNPB8VyZZplAVtoRW1qSlj:Gylsf/iP3wcSuZplAp
Threatray 10'128 similar samples on MalwareBazaar
TLSH 1185078D3250B2DFC857CD36DAA81C24EBA474BA830FE243A05716ED994D99BCF144F2
Reporter seifreed
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
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 access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 316729 Sample: wJsynh1HNX Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 26 Found malware configuration 2->26 28 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 6 other signatures 2->32 6 wJsynh1HNX.exe 3 2->6         started        process3 file4 20 C:\Users\user\AppData\...\wJsynh1HNX.exe.log, ASCII 6->20 dropped 34 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->34 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 40 Injects a PE file into a foreign processes 6->40 10 wJsynh1HNX.exe 8 6->10         started        14 wJsynh1HNX.exe 6->14         started        16 wJsynh1HNX.exe 6->16         started        18 wJsynh1HNX.exe 6->18         started        signatures5 process6 dnsIp7 22 smtp.karhteck.com 10->22 24 us2.smtp.mailhostbox.com 208.91.198.143, 49718, 49720, 49736 PUBLIC-DOMAIN-REGISTRYUS United States 10->24 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Tries to steal Mail credentials (via file access) 10->44 46 Tries to harvest and steal ftp login credentials 10->46 48 2 other signatures 10->48 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-11-14 18:29:14 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
4407d75c871e6d665e3b22d340948f5755cc373ae2a028ff60e9edda6a8989e2
MD5 hash:
857fd1e45a973302c73413bd15bed6e2
SHA1 hash:
0a58dcb8389bcf59ca2bb537007a591a8c14742e
SH256 hash:
1e9af07cb29f88cbb7d767f8e6dc97b1745be8651934b85943ef7546279011a7
MD5 hash:
4378e619f6febe8ce8b3b27d81bb100e
SHA1 hash:
10974d2d9759446628e1583f47b2719767273a9e
SH256 hash:
c53a8d216f47aacaa868f936caf4dc913b4d3cad7141bdb04b7405f11912e43b
MD5 hash:
fb8489a740371774a679df087964506d
SHA1 hash:
6896318547d4892739d5ae1ed9e75755c72a8218
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
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:AgentTesla_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

  
Delivery method
Other

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