MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a678440e1f830f05b0fac3d40d08457d2358b00534042726fa375955ae02c282. 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


Intelligence File information Yara 3 Comments

SHA256 hash: a678440e1f830f05b0fac3d40d08457d2358b00534042726fa375955ae02c282
SHA3-384 hash: ce8add735e31ac588c7e12ab199f5efc7f74716eb46bcff232e36d7666a92a3734c3c2fe46ff51f013bac965170422ea
SHA1 hash: b9b5073ff37c469d5278e11a44e4e6dc616598d5
MD5 hash: 1094e53b123834f65dbc934ac71c3bd9
humanhash: alanine-hydrogen-zulu-crazy
File name:Order confirmation PO 005 07 30 2020.exe
Download: download sample
Signature AgentTesla
File size:487'424 bytes
First seen:2020-07-31 10:14:05 UTC
Last seen:2020-07-31 11:09:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:UHHUkfe4hCZfekklJhinxa9xP2dEgrW8+nM5+xD0ZppAB:UH1e4LyUxedEgC8Jm
TLSH C8A4F2093640B35FC81B8D3749A91C54BBA0B537570BDB57AC8322EED94CA6ADF142B3
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: oscarquintana.vhost.interdominios.com
Sending IP: 89.248.97.52
From: Robert Azzopardi <robert.azzopardi@demajo.com>
Subject: Order confirmation with Delivery Schedule PO 005/07.30.2020 - M.Demajo Group
Attachment: M_Demajo Group PO 00507302020.r00 (contains "Order confirmation PO 005 07 30 2020.exe")

AgentTesla SMTP exfil server:
mail.corroshield.co.id:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
30
Origin country :
US US
Mail intelligence
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.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
Moves itself to temp directory
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)
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Status:
Malicious
First seen:
2020-07-30 23:54:00 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
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
Threat name:
Trojan
Score:
1.00

Yara Signatures


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 a678440e1f830f05b0fac3d40d08457d2358b00534042726fa375955ae02c282

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments