MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3992c46359956ab1468382d57f8919506d3c979b399d3a5ee262245b7dc2d733. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 3992c46359956ab1468382d57f8919506d3c979b399d3a5ee262245b7dc2d733
SHA3-384 hash: 6de5db6d85a21d1ce21a898ebc67c5ad9f6a23b1ab8796f65fa0af631b74e22347e422df0478c5492378afa27b09da0d
SHA1 hash: 97ba0eb4be354c0b8c9a27aa6952b7768d7d2d4d
MD5 hash: a5563618eaa91b41cf95c439ed0dab46
humanhash: bulldog-crazy-nitrogen-one
File name:a5563618eaa91b41cf95c439ed0dab46.exe
Download: download sample
Signature AgentTesla
File size:565'248 bytes
First seen:2020-07-21 10:01:53 UTC
Last seen:2020-07-21 11:24:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:lXjfGhgTBsYGSyRw6TBGx+xL6NOy9YL0ndjThHNpdwYWrQ3MWYRg+ArPQConwAMP:FCuQ6N7Yodd6wcWYilr1UFMiOs519o
Threatray 10'622 similar samples on MalwareBazaar
TLSH 2CC48B00D7B89AD9E3BA17BDE470010087B4BA1AA7EAE7594B81F4ED1C22750CB53F57
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248863 Sample: jR0bCJdfSG.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Multi AV Scanner detection for dropped file 2->32 34 Sigma detected: Scheduled temp file as task from temp location 2->34 36 3 other signatures 2->36 7 jR0bCJdfSG.exe 9 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\XsrYfhzeN.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmpEADC.tmp, XML 7->22 dropped 24 C:\Users\user\AppData\...\jR0bCJdfSG.exe.log, ASCII 7->24 dropped 10 RegSvcs.exe 10 7->10         started        14 RegSvcs.exe 7->14         started        16 schtasks.exe 1 7->16         started        process5 dnsIp6 26 smtp.yandex.ru 77.88.21.158, 49733, 49734, 587 YANDEXRU Russian Federation 10->26 28 smtp.yandex.com 10->28 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->38 40 Tries to steal Mail credentials (via file access) 10->40 42 Tries to harvest and steal ftp login credentials 10->42 50 2 other signatures 10->50 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->46 48 Contains functionality to register a low level keyboard hook 14->48 18 conhost.exe 16->18         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-21 10:03:06 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
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_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
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.

Web download

AgentTesla

Executable exe 3992c46359956ab1468382d57f8919506d3c979b399d3a5ee262245b7dc2d733

(this sample)

  
Delivery method
Distributed via web download

Comments