MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56f2d6b9b207a2e0f5fc1a59d36376b4cde1ac6ac52e95a9c48c00c02e271516. 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: 56f2d6b9b207a2e0f5fc1a59d36376b4cde1ac6ac52e95a9c48c00c02e271516
SHA3-384 hash: ed92286f363e983fc66a3c428d3fd4be3ee0aed3b73c939527a4748bba931ab2215d15f0b91e1e747f12964d5e3b18d3
SHA1 hash: 7e94f7c56e54bb78626d0f4d1c72b2b7d701aca0
MD5 hash: 539201934efaae51a640090736ed472f
humanhash: eighteen-east-eleven-mango
File name:Sinergy_Group Order.exe
Download: download sample
Signature AgentTesla
File size:676'864 bytes
First seen:2020-07-16 10:04:22 UTC
Last seen:2020-07-16 11:10:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:ZbO2CS28qtmuFD7ms9BKKCX3yInKLI21i+6cye4m6Z1UqxoDL0:Zi2CSVq2s9gDX3yx/yhe
Threatray 10'812 similar samples on MalwareBazaar
TLSH 03E4493836C15419E93D0A7548B56AE027B0B68B3B12CB1F79DA0B5C6F437CF3B4664A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mcegress-14-lw-8.correio.biz
Sending IP: 191.252.14.8
From: Charles Belén <charles@perfectinfo.com.br>
Subject: Sinergy Group SRL Order
Attachment: Sinergy_Group Order.rar (contains "Sinergy_Group Order.exe")

AgentTesla SMTP exfil server:
smtp.chigo-cec.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-16 10:06:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Executes dropped EXE
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 56f2d6b9b207a2e0f5fc1a59d36376b4cde1ac6ac52e95a9c48c00c02e271516

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments