MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f4df940d9a199c45165a84eeb227c027203a66713ca8ea602ccf28e75e3b0bc. 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: 8f4df940d9a199c45165a84eeb227c027203a66713ca8ea602ccf28e75e3b0bc
SHA3-384 hash: 95861ca0107f2b4e78c9f424202d1f70dd68fcb60dd3762f043789a7608501e06a4fddb27a1c9f1d4403b69d8dc773d5
SHA1 hash: 7349960af6f9c5a76084b57fa1b2f0976fb6ce84
MD5 hash: fbba71a1edc6d611c0f959d2b775509c
humanhash: hot-ink-failed-cola
File name:q6U9sgHlYJYOnFZ.exe
Download: download sample
Signature AgentTesla
File size:1'304'576 bytes
First seen:2020-07-17 05:28:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:wIv0nJYDIv0nJYCKIga0zepS5Zlv2k6Tc:wIMJYDIMJYCPgrlmc
Threatray 11'355 similar samples on MalwareBazaar
TLSH BE555B8211461679E264F0FEB313509AAA04ECBDD1D068A2377AF71A8175D33CDD9FAC
Reporter JAMESWT_WT
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
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
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246657 Sample: q6U9sgHlYJYOnFZ.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Multi AV Scanner detection for dropped file 2->30 32 Sigma detected: Scheduled temp file as task from temp location 2->32 34 3 other signatures 2->34 7 q6U9sgHlYJYOnFZ.exe 5 2->7         started        process3 file4 20 C:\Users\user\AppData\Roaming\eOYHJZwY.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmp290D.tmp, XML 7->22 dropped 24 C:\Users\user\...\q6U9sgHlYJYOnFZ.exe.log, ASCII 7->24 dropped 10 RegSvcs.exe 2 7->10         started        14 RegSvcs.exe 7->14         started        16 schtasks.exe 1 7->16         started        process5 dnsIp6 26 mail.privateemail.com 198.54.122.60, 49722, 587 NAMECHEAP-NETUS United States 10->26 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->36 38 Tries to steal Mail credentials (via file access) 10->38 40 Tries to harvest and steal ftp login credentials 10->40 48 2 other signatures 10->48 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->44 46 Contains functionality to register a low level keyboard hook 14->46 18 conhost.exe 16->18         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-15 19:43:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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 8f4df940d9a199c45165a84eeb227c027203a66713ca8ea602ccf28e75e3b0bc

(this sample)

  
Delivery method
Distributed via web download

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