MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad526f12fe479654bd0e631a03dffceea2f9c0e0f01cb16e03caa4a6b4ed209c. 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: ad526f12fe479654bd0e631a03dffceea2f9c0e0f01cb16e03caa4a6b4ed209c
SHA3-384 hash: 76d3ad124999e48171dfdd859a284445a865662f065ae2d93fe7764889ac60bb89679eaf228c25c947538b2097dca4ea
SHA1 hash: c975b18994917b1dd93ee2e10ce2e15b586c02ba
MD5 hash: 69d9ceed5576ad950bcec177e86b0033
humanhash: wolfram-alpha-fix-cup
File name:DHL Shipping Receipts.exe
Download: download sample
Signature AgentTesla
File size:459'264 bytes
First seen:2020-08-05 11:39:15 UTC
Last seen:2020-08-05 13:17:11 UTC
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:wuUYqb6yjpL3rnK9SLX1vWnMeN0U33i35DonW47VdZbrTT28Yh5PeSktwuEYjvCC:t/q11MSLXcVN0bOWerP28Yz+ufkCfK
Threatray 10'823 similar samples on MalwareBazaar
TLSH 31A4F11C32A1561EFABA1E3F5C7041938E62F81FDE22D24B2AB5152C057DA9CBC61F61
Reporter abuse_ch
Tags:AgentTesla DHL exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl.com
Sending IP: 156.96.119.28
From: paola.alberici@dhl.com
Reply-To: paola.alberici@dhl.com
Subject: shipping document and receipt
Attachment: DHL Shipping Receipts.zip (contains "DHL Shipping Receipts.exe")

AgentTesla SMTP exfil server:
mail.cosur.pe:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-05 11:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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 ad526f12fe479654bd0e631a03dffceea2f9c0e0f01cb16e03caa4a6b4ed209c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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