MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fe24761cfcb48d6d3a4f1ad9d02c2429c7f567fda2bda78f5d12c89717c6285. 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: 1fe24761cfcb48d6d3a4f1ad9d02c2429c7f567fda2bda78f5d12c89717c6285
SHA3-384 hash: d156115bb032e0b8a47ef9fe5dd77014309f9a4ba5c8456728092dca2df8e68ab0aeff3a917078975e7765d813a32101
SHA1 hash: fb2c4beef9c57c54519a238870bb6cea0fd7f05e
MD5 hash: a3732c7e285f3c9f310ba3aa0c80b324
humanhash: failed-don-network-johnny
File name:order for August .SCR
Download: download sample
Signature AgentTesla
File size:1'780'224 bytes
First seen:2020-08-05 12:11:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:lXZASMnmABuMUEbw8wkfqwLuDU4D5NWp4Lw:DBMnD9U+wkqwuU4D5NWp4
Threatray 10'855 similar samples on MalwareBazaar
TLSH 2285D03A3EC18815E63E067644B049D062B1AD872E52CB4F3AC6779C7F3369B770625E
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: deltaled.gr
Sending IP: 209.58.149.66
From: info@deltaled.gr
Attachment: order for August .zip (contains "order for August .SCR")

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Signature
.NET source code contains very large array initializations
Initial sample is a PE file and has a suspicious name
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 12:13:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Behaviour
AgentTesla Payload
Agenttesla family
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 1fe24761cfcb48d6d3a4f1ad9d02c2429c7f567fda2bda78f5d12c89717c6285

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments