MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e23a268f1e3c63c4b2460a42e219a7237744ddaad6d9bf383977c85d9921843d. 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: e23a268f1e3c63c4b2460a42e219a7237744ddaad6d9bf383977c85d9921843d
SHA3-384 hash: 25266187e697148142ceda68050245b699b5275a4fe3ddc9f22ade0d7169b6e5b530b99119021d1097d508891227f9f5
SHA1 hash: 3f84041885b4aa75f0f368e349376a91dead5904
MD5 hash: b8f4724d9be01c9fc1efd1695b69dceb
humanhash: white-seventeen-social-ten
File name:AD1-2001029L.exe
Download: download sample
Signature AgentTesla
File size:963'072 bytes
First seen:2020-08-04 06:57:57 UTC
Last seen:2020-08-04 08:20:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 507b3b5b1f6a270893e48e06f2f1033f (5 x AgentTesla, 2 x NanoCore, 2 x MassLogger)
ssdeep 12288:SOKeqxgkm/OcuIuQBCzcQFGCiol1TkKUSR3uKIwWdFGNWdmNbhybYmFdxEm+Ev8D:sHGnOMuQqNuWxuQ+8yYmFdrv8vSLurdr
Threatray 11'781 similar samples on MalwareBazaar
TLSH CA25AE23B2904836C76319789DDB57BC692BBE113924B9463BF93D4C0F7968138393A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: Michael han <sales12@ceaworld.com>
Subject: Re: invoice For shipment
Attachment: AD1-2001029L.img (contains "AD1-2001029L.exe")

AgentTesla SMTP exfil server:
smtp.muziris.in:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
65
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
Sending a UDP request
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 (overwrites its own PE header)
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)
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.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-04 06:59:08 UTC
AV detection:
42 of 48 (87.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx 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
UPX packed file
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.

Malspam

AgentTesla

Executable exe e23a268f1e3c63c4b2460a42e219a7237744ddaad6d9bf383977c85d9921843d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments