MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f. 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: 8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f
SHA3-384 hash: 45f9c65f9003393dc96ccad495fffccfa3f8224f199284460c5c7d43e60124db79b17a2b09b2406fc454bd7fca46a61b
SHA1 hash: fadd296e55cc94f1388b275dfc6c331a06b6f28a
MD5 hash: 3426d7f5690a75193faf76d231f6d347
humanhash: summer-eighteen-sink-november
File name:Image001.exe
Download: download sample
Signature AgentTesla
File size:813'568 bytes
First seen:2020-07-29 06:31:23 UTC
Last seen:2020-08-04 12:44:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:WRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXSI5YBp7psLywvW4Lurdp:Wfd8z4byilBdlGX/5YBnkTu4Lurdp
Threatray 11'476 similar samples on MalwareBazaar
TLSH 0805AF23B2E04836D5772E799C0F5354AB3AFD116A2899492FEC3D8C4F7578138362A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: delivery.mailspamprotection.com
Sending IP: 146.66.121.217
From: Philippe Lee <philippe.li@midea.com>
Subject: Re: Transfer Confirmation 100241703
Attachment: Image001.gz (contains "Image001.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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)
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:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-07-28 22:55:58 UTC
File Type:
PE (Exe)
Extracted files:
48
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger trojan stealer spyware family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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
UPX packed file
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 8e1f5e94e0e8ea6f82b75d5b21f3964b77df3810c65a875c1ddfcaef53c5e10f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments