MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1bab54673df9e46725e035d92723321576c1b871ac44facc775881d39f44a7. 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: 8a1bab54673df9e46725e035d92723321576c1b871ac44facc775881d39f44a7
SHA3-384 hash: ca8586c7db8db5b4a42bff53d49f1c8f64bc5f5cd4cb0752e79d585b1daeb63248bae87868259b65b9a27d2acc072e99
SHA1 hash: ecad98da679e9e58211117128018992425ee9300
MD5 hash: 2f48bfbd7ea640d5c9c3636da257821e
humanhash: cold-leopard-lima-sodium
File name:MT103_Swift Copy.exe
Download: download sample
Signature AgentTesla
File size:563'712 bytes
First seen:2020-08-21 07:53:15 UTC
Last seen:2020-08-21 09:17:03 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:qAFSE/gkiwFRTO5pGw92f41Dgp0CnJ1tWwT9oT9:qFEIfwF5IduyCJ1tWs9ox
Threatray 10'613 similar samples on MalwareBazaar
TLSH 85C41252279C876AF5BCA7BC8570010127F9F516E733DA4E7DC860ED2AA371187A13A3
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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:
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2020-08-20 21:24:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
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.

b3b2073162169270aaee7581e273545987a446e43c78393684d91f72af06c296

AgentTesla

Executable exe 8a1bab54673df9e46725e035d92723321576c1b871ac44facc775881d39f44a7

(this sample)

  
Dropped by
MD5 1a132a33ab0cf68bcadc3334654cac0c
  
Dropped by
SHA256 b3b2073162169270aaee7581e273545987a446e43c78393684d91f72af06c296
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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