MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89116942312d8a60d9dff7624d4550b1f84def97b0251cb705e705e1d125edcc. 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 3 File information Comments

SHA256 hash: 89116942312d8a60d9dff7624d4550b1f84def97b0251cb705e705e1d125edcc
SHA3-384 hash: 4db9932924af9e1d435c755b8b8637737becfffe5b09cf27d2756c811b1b3a7f038d356b33e8be7ef1f15308905ab81d
SHA1 hash: c3bdf9e7eb2b101cafdb29796b3e5616df2819c4
MD5 hash: 9c92d3bbdbd7c5b02565de3a41f0fc32
humanhash: finch-lion-whiskey-stairway
File name:J6z6JLooh5waTA4.exe
Download: download sample
Signature AgentTesla
File size:886'272 bytes
First seen:2020-08-27 13:59:18 UTC
Last seen:2020-08-27 15:10:49 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 24576:HXdgseMnCygGfE3H9vZdXq8DHSpqiIZAfKneF89:Htgl3H9xdHPiUACn68
Threatray 9'273 similar samples on MalwareBazaar
TLSH 7E15E10A032A8BEDDD08B2BF359040ACE6716642EE38D1F4EF4775B5595A24EEC7C2C5
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278710 Sample: J6z6JLooh5waTA4.exe Startdate: 27/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Antivirus detection for dropped file 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 7 other signatures 2->37 7 J6z6JLooh5waTA4.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\bKYJOcNWlPHij.exe, PE32 7->19 dropped 21 C:\...\bKYJOcNWlPHij.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpB827.tmp, XML 7->23 dropped 25 C:\Users\user\...\J6z6JLooh5waTA4.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 J6z6JLooh5waTA4.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.yandex.ru 77.88.21.158, 49713, 587 YANDEXRU Russian Federation 11->27 29 smtp.yandex.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-08-27 13:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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.

  
Delivery method
Other

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