MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37e2ca0ea6838887745d5f452aea15de2a0ea556a9095a87962c103489942e08. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 37e2ca0ea6838887745d5f452aea15de2a0ea556a9095a87962c103489942e08
SHA3-384 hash: 3238b81e59cf5dbaf9ea6ac189cb326b4a9c4c3d0fdb376bb2d0fc66a4cd1fa26e95969b6b4e767db58dc14b3bc55865
SHA1 hash: 2c2734a866cac52b7e63c2cc5a982ae9dfb7435e
MD5 hash: 70e0f7eacd578fef1b19738934c8cc1e
humanhash: eight-east-oxygen-orange
File name:fty.exe
Download: download sample
Signature AgentTesla
File size:577'536 bytes
First seen:2020-07-16 19:03:25 UTC
Last seen:2020-07-17 05:12:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UNRLcux2k4zUedAg48YAKtNiHnPlsustG4zM/tLmlu3:u4Reg4xngnqG4
Threatray 11'146 similar samples on MalwareBazaar
TLSH 28C49DDC3550719EC85E8D768964DC30AA202C22F6FBD20663C36E9FB93D597CF152A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: s20.bluecast.ae
Sending IP: 213.239.199.114
From: Beth Thompson <beth.thompson@sbcglobal.net>
Subject: PURCHASE ORDER NO:021
Attachment: ORDER NO 021.ISO (contains "fty.exe")

AgentTesla SMTP exfil server:
mail.blackpearl-tours.com:587

AgentTesla SMTP exfil email address:
res@blackpearl-tours.com

Intelligence


File Origin
# of uploads :
3
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246589 Sample: fty.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 7 other signatures 2->35 7 fty.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\...\WUlTxpFkoUWjT.exe, PE32 7->19 dropped 21 C:\...\WUlTxpFkoUWjT.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp7023.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\Local\...\fty.exe.log, ASCII 7->25 dropped 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->37 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 fty.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.blackpearl-tours.com 192.185.197.51, 49717, 587 UNIFIEDLAYER-AS-1US United States 11->27 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.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-16 14:19:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Checks BIOS information in registry
Reads user/profile data of local email clients
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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.

Malspam

AgentTesla

Executable exe 37e2ca0ea6838887745d5f452aea15de2a0ea556a9095a87962c103489942e08

(this sample)

  
Delivery method
Distributed via e-mail attachment

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