MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bade43d7299c71f65a1344c0c97c9294f0a7060df73ad5357e02457d6e4b7d27. 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: bade43d7299c71f65a1344c0c97c9294f0a7060df73ad5357e02457d6e4b7d27
SHA3-384 hash: 2c093ba42ad72301c1b32069f759ce2e40aff64530d72bf17acd6706373dc2966c78629933590af1dc8a9575de480fc9
SHA1 hash: 2d9f23bf734cac41b63403cbee352db896054da1
MD5 hash: 37e5fac810f50551779af6dc8fdcb466
humanhash: seven-low-kilo-eight
File name:Payment Slip.exe
Download: download sample
Signature AgentTesla
File size:581'632 bytes
First seen:2020-07-29 11:23:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:LkWKGbFGXi/k0s8tdNTBVIjfGhKo7/f1UD+sv2OGCw1wlZHzraX6+dVBzsMyjZ4U:LfUP0s8z0GhK8jsuOGC7T3jZcgROpdJm
Threatray 10'584 similar samples on MalwareBazaar
TLSH A3C4DF5DB780E91AC3BE8134E2DD550CCBFC9196926BE3666850A3FF16C33A3D8091B5
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: e-nautia.com
Sending IP: 37.49.230.200
From: Ju-carolina|Finance Manager <guterres.carolina@e-nautia.com>
Subject: RE: Payment
Attachment: Payment Slip.Z (contains "Payment Slip.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
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 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253578 Sample: Payment Slip.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 27 g.msn.com 2->27 29 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->29 37 Found malware configuration 2->37 39 Yara detected AgentTesla 2->39 41 Yara detected AntiVM_3 2->41 43 5 other signatures 2->43 7 YYtJku.exe 1 2->7         started        10 Payment Slip.exe 1 2->10         started        12 YYtJku.exe 2->12         started        signatures3 process4 signatures5 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->47 49 Injects a PE file into a foreign processes 7->49 14 YYtJku.exe 2 7->14         started        18 Payment Slip.exe 2 5 10->18         started        21 YYtJku.exe 2 12->21         started        process6 dnsIp7 31 mail.threewaystoharems.com 14->31 51 Tries to harvest and steal ftp login credentials 14->51 53 Tries to harvest and steal browser information (history, passwords, etc) 14->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->55 33 threewaystoharems.com 192.254.236.251, 49731, 49739, 587 UNIFIEDLAYER-AS-1US United States 18->33 35 mail.threewaystoharems.com 18->35 23 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 18->23 dropped 25 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 18->25 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Moves itself to temp directory 18->59 61 Tries to steal Mail credentials (via file access) 18->61 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 11:25:39 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 bade43d7299c71f65a1344c0c97c9294f0a7060df73ad5357e02457d6e4b7d27

(this sample)

  
Delivery method
Distributed via e-mail attachment

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