MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d76e8c28bcd9120d10cb82a86e5ab7679cc78f44f6edf644608b9fddeb7e8cbc. 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: d76e8c28bcd9120d10cb82a86e5ab7679cc78f44f6edf644608b9fddeb7e8cbc
SHA3-384 hash: aea5ebd7ca1a5530b49befdbcb93b6203969a777bfd72795eb01d57b184019d53dcd43ccad8b5abde3528f4c42c17367
SHA1 hash: 879b3ea43cf5ece52a8d6a6de3b18d522d4eeba8
MD5 hash: d9a00517ace8e5badb2212cb327b27e1
humanhash: island-beryllium-echo-aspen
File name:OUTSTANDING INVOICES.exe
Download: download sample
Signature AgentTesla
File size:928'768 bytes
First seen:2020-08-04 07:44:11 UTC
Last seen:2020-08-04 13:23:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:f/7A6HcPgYxmOE+2Do4pPeRH89fLyUDYY++HYskCKRsW3G5pliceLk9SHetDVu:76IYxPeVZlhfMCHYskpsW3GFeQc4V
Threatray 10'687 similar samples on MalwareBazaar
TLSH A715BFC5F1409D5DD81A4D3B8C324D918B32AC6BEF07D207749CB6996BBB1C66E24B83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: nittsu.com
Sending IP: 103.133.104.130
From: SGN AirImport <sgnairimport@nittsu.com>
Reply-To: sgnairimport@nittsu.com
Subject: (A/C: 310053) -Outstanding invoices
Attachment: OUTSTANDING INVOICES.zip (contains "OUTSTANDING INVOICES.exe")

AgentTesla SMTP exfil server:
mail.pkfpmes.co.ke:587

Intelligence


File Origin
# of uploads :
3
# of downloads :
69
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts 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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-04 07:15:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
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.

Malspam

AgentTesla

Executable exe d76e8c28bcd9120d10cb82a86e5ab7679cc78f44f6edf644608b9fddeb7e8cbc

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments