MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be2bc33b9acb5b939bc7cba84521cda274380a09b4acbe6e9696b8183352b5e8. 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 4 File information Comments

SHA256 hash: be2bc33b9acb5b939bc7cba84521cda274380a09b4acbe6e9696b8183352b5e8
SHA3-384 hash: b479c9c205ce9d6dfd711a2190d9df45df9b720826a903a25a31d740fb616b5c553a66874d616b196e55a2c53900d3f5
SHA1 hash: 4a19b3420b2b3d58ed89f553644135015405b1bc
MD5 hash: d5f46247a99f52bc1464c0366e03b24c
humanhash: white-don-may-nineteen
File name:7vM8S5ANDakbWGy.exe
Download: download sample
Signature AgentTesla
File size:579'072 bytes
First seen:2020-08-28 16:18:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FuzVOiK53tnv1Z5TpVqBvwz3GNjSTGW4tH:oGv5XqViTGJ
Threatray 10'619 similar samples on MalwareBazaar
TLSH F6C4126413EEDF1DCAFE0ABD54BD310003F6B94574B9E7CA5E89D09A18A5F404A11BB3
Reporter c_APT_ure
Tags:AgentTesla


Avatar
c_APT_ure
https://bazaar.abuse.ch/sample/f4841b9b9006e327d58c8d6fb6e1bb3699d05fcd10fcaf7adcdde47efccb13b3/

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching the process to change network settings
Setting a keyboard event handler
Enabling the 'hidden' option for recently created files
Deleting a recently created file
Replacing files
Stealing user critical data
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices by creating a special LNK file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Found malware configuration
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)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279213 Sample: 7vM8S5ANDakbWGy.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Sigma detected: Capture Wi-Fi password 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 7 other signatures 2->36 8 7vM8S5ANDakbWGy.exe 1 2->8         started        process3 file4 24 C:\Users\user\...\7vM8S5ANDakbWGy.exe.log, ASCII 8->24 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->40 42 Contains functionality to register a low level keyboard hook 8->42 44 2 other signatures 8->44 12 7vM8S5ANDakbWGy.exe 2 8->12         started        16 7vM8S5ANDakbWGy.exe 8->16         started        18 7vM8S5ANDakbWGy.exe 8->18         started        signatures5 process6 dnsIp7 26 mail.albaniandailynews.com 50.116.68.163, 49716, 587 UNIFIEDLAYER-AS-1US United States 12->26 28 192.168.2.1 unknown unknown 12->28 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->46 48 Tries to steal Mail credentials (via file access) 12->48 50 Tries to harvest and steal ftp login credentials 12->50 52 3 other signatures 12->52 20 netsh.exe 3 12->20         started        signatures8 process9 process10 22 conhost.exe 20->22         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-28 16:20:15 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 be2bc33b9acb5b939bc7cba84521cda274380a09b4acbe6e9696b8183352b5e8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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