MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8238f8f8e66a8a79ac7e5e9f694137ff09f691a6f62284359696ac84ec63b78. 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: f8238f8f8e66a8a79ac7e5e9f694137ff09f691a6f62284359696ac84ec63b78
SHA3-384 hash: 6abcbaaf949bb7ecba982eb0089d75636a6336459c115c37cfad8ff2e7dc4d7520ee3a27cc83ab8cfee30d1cb7c82f65
SHA1 hash: 6652a19fa64d5ce1235a6229fb50c3766220a1a9
MD5 hash: 00b6fac973e8ef1da23ab59f014dfc8f
humanhash: eighteen-hotel-lion-happy
File name:RFQ Spare parts.exe
Download: download sample
Signature AgentTesla
File size:692'736 bytes
First seen:2020-08-10 09:58:43 UTC
Last seen:2020-08-10 11:07:45 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 12288:gYYzaEL64QGTZXo0IDEb2xfhMgrpiAmkckjQc:rYJRQoaNDEmfhVQAmbkjB
Threatray 10'713 similar samples on MalwareBazaar
TLSH B7E4D3C61B8ABE85D3F50331EF3EF6B0C314BE2D07978A789A91B15E307A2137595690
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: darius.com
Sending IP: 45.127.62.155
From: Deepak Kumar <depak.kumar@futuretechme.com>
Reply-To: depak.kumar@futuretechme.com
Subject: RFQ: MR#1901421 - RT materials
Attachment: RFQ Spare parts.zip (contains "RFQ Spare parts.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a 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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
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:
2020-08-10 07:54:44 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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 f8238f8f8e66a8a79ac7e5e9f694137ff09f691a6f62284359696ac84ec63b78

(this sample)

  
Delivery method
Distributed via e-mail attachment

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