MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 781a56527b7273e5936047b5646c62d2ce6e3b4e24af696d75720caf764dfcb0. 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: 781a56527b7273e5936047b5646c62d2ce6e3b4e24af696d75720caf764dfcb0
SHA3-384 hash: 5ece3084954ee377ca5b15d8abb159f322f485631c8cdd01e1a7e6f3804b02404bbd8b00e4e5b43cdd1e1e6691fb8532
SHA1 hash: 4f32940a90ce5636c8a1f7fea81507176526a80b
MD5 hash: 1080d42e9b24933b27a7e11185f82e95
humanhash: wolfram-river-harry-stairway
File name:20908000000000.exe
Download: download sample
Signature AgentTesla
File size:473'600 bytes
First seen:2020-08-04 13:48:53 UTC
Last seen:2020-08-04 15:22:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:daGEQ04ckTgT3jHdbcH9icwNP0e4/ZwNWe:kGEQ0kTmrORwPU6W
Threatray 10'651 similar samples on MalwareBazaar
TLSH 58A4BF00F7885AA5E536303BD8B7672513A37B7B9629DB4F144C32AD1C7338914A7B8B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: somosindustria.com
Sending IP: 45.137.22.52
From: sales <sales@somosindustria.com>
Subject: Factura/Por favor reconfirme sus datos bancarios
Attachment: 20908000000000.z (contains "20908000000000.exe")

Intelligence


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

Behaviour
Launching a process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: RegAsm connects to smtp port
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.AgentTesla
Status:
Malicious
First seen:
2020-08-04 13:50:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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.

acc030410c1f132f7bf9bbff2523b7cd

AgentTesla

Executable exe 781a56527b7273e5936047b5646c62d2ce6e3b4e24af696d75720caf764dfcb0

(this sample)

  
Dropped by
MD5 acc030410c1f132f7bf9bbff2523b7cd
  
Delivery method
Distributed via e-mail attachment

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