MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c242df091dea3595d4a87d33a7e770205efb03f63646c31ba524dc4b748b4b3f. 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: c242df091dea3595d4a87d33a7e770205efb03f63646c31ba524dc4b748b4b3f
SHA3-384 hash: 3264688d17443e55d987e3ba5eaa9a98c45d9ef8f5868ba4d937ac09157faf0d345e3d7eca9b5826c5c8b99f7ff8e6f0
SHA1 hash: 956625a4ae1e22545836a907325ecea6b67e7d8b
MD5 hash: b89af615a646f87b045307f52248278a
humanhash: alabama-carpet-wisconsin-nitrogen
File name:Scan20200814KTL_pdf.exe
Download: download sample
Signature AgentTesla
File size:622'592 bytes
First seen:2020-08-14 10:34:43 UTC
Last seen:2020-08-14 12:10:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:br5pCVC8BxLfPLpPztFF8TMV3XpKGtmNJ2wkqDs15GC4jRHZZ5TS+Z0Ki:bVeC8Bxj5zJOq5K9zbVDs1YDDZ5Si0Ki
Threatray 10'091 similar samples on MalwareBazaar
TLSH 09D4CE302A5C9F76E03DA77C4225250003F2A52AD733EE49FEB586994E21FE1467BB17
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pro08.emailserver.vn
Sending IP: 103.15.48.228
From: Accounts <nguyethm@van-anh.com.vn>
Reply-To: Accounts <aqueenu9@gmail.com>
Subject: Re: August Order 2020/Discrepancies
Attachment: Scan20200814KTL_pdf.exe

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
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:
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Status:
Malicious
First seen:
2020-08-14 10:36:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 c242df091dea3595d4a87d33a7e770205efb03f63646c31ba524dc4b748b4b3f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments