MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38de2a27f6860ff3215434f3088f37ffc36c3a487fbfcee619bd1af281883624. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 38de2a27f6860ff3215434f3088f37ffc36c3a487fbfcee619bd1af281883624
SHA3-384 hash: ba2cd5fdca7b088c5cefaefef9b95859711dfde66e1a4ac0ecf4529b35f30e1fafa29c31e6379305313a1e6e21b9b2b1
SHA1 hash: 7dd1c7318bd60dca31276dee4906c4af1d792969
MD5 hash: 717e2c6415033786b29661192bbaf88e
humanhash: island-yellow-double-grey
File name:HBL RECISED T2020.exe
Download: download sample
Signature AgentTesla
File size:1'207'296 bytes
First seen:2020-08-31 05:53:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 73ae1eef07955a270fc7a7f873444c85 (16 x AgentTesla, 8 x MassLogger, 5 x Loki)
ssdeep 24576:oQvrCXEucruic247nrns/iGdPP09tp3B/TtZjtLurd5:oIsTs6SPPOXZtvo
Threatray 9'491 similar samples on MalwareBazaar
TLSH 30459E62B1924437D5732A799D1B73B4992ABE106D28F8493BE8FD8C0F7528138353E7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: liontrans2016.com
Sending IP: 45.137.22.90
From: "Araya <araya"@liontrans2016.com
Subject: Re: AW: AW: AW: Re: New Shipment // shipping Documents
Attachment: HBL RECISED T2020.gz (contains "HBL RECISED T2020.exe")

AgentTesla SMTP exfil server:
mail.hybridgroupco.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279814 Sample: HBL RECISED T2020.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 38 Found malware configuration 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 10 other signatures 2->44 7 wscript.exe 1 2->7         started        9 HBL RECISED T2020.exe 2->9         started        process3 signatures4 12 HBL RECISED T2020.exe 7->12         started        54 Writes to foreign memory regions 9->54 56 Allocates memory in foreign processes 9->56 58 Maps a DLL or memory area into another process 9->58 60 Queues an APC in another process (thread injection) 9->60 15 notepad.exe 1 9->15         started        17 HBL RECISED T2020.exe 4 9->17         started        19 HBL RECISED T2020.exe 9->19         started        process5 signatures6 62 Writes to foreign memory regions 12->62 64 Allocates memory in foreign processes 12->64 66 Maps a DLL or memory area into another process 12->66 21 HBL RECISED T2020.exe 4 12->21         started        25 notepad.exe 1 12->25         started        28 HBL RECISED T2020.exe 12->28         started        68 Drops VBS files to the startup folder 15->68 70 Delayed program exit found 15->70 process7 dnsIp8 32 hybridgroupco.com 66.70.204.222, 49737, 587 OVHFR Canada 21->32 34 mail.hybridgroupco.com 21->34 36 192.168.2.1 unknown unknown 21->36 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->46 48 Tries to steal Mail credentials (via file access) 21->48 50 Tries to harvest and steal ftp login credentials 21->50 52 Tries to harvest and steal browser information (history, passwords, etc) 21->52 30 C:\Users\user\AppData\Roaming\...\data.vbs, ASCII 25->30 dropped file9 signatures10
Threat name:
Win32.Trojan.DelfFareIt
Status:
Malicious
First seen:
2020-08-30 22:17:50 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 38de2a27f6860ff3215434f3088f37ffc36c3a487fbfcee619bd1af281883624

(this sample)

  
Delivery method
Distributed via e-mail attachment

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