MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3dd701e877f0f802984c90bcfdcde54c35780c9afb459b2d395e6d38b2d4a503. 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: 3dd701e877f0f802984c90bcfdcde54c35780c9afb459b2d395e6d38b2d4a503
SHA3-384 hash: 818efb8aa523a1ec8a9970c8b8f49ac61134882ab53d719987f8aa7b1fd6ff92ab9ff9b65b6a2b9fac9df8da1d0f3874
SHA1 hash: d83195f4d3f42e84243bbbdc32e94c23982a2917
MD5 hash: 937717f0eb3d33bab9f444e54e6040b9
humanhash: low-idaho-stairway-west
File name:BANK COPY.exe
Download: download sample
Signature AgentTesla
File size:577'024 bytes
First seen:2020-07-28 15:54:27 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:+9n5/qH7edQ+ghJ8ilF7m2wJCXsN1ZwWNN4YlDIApxSVoL3OFB6hDYV0TgjPY0Hn:+iSdQ+SJ8ilFZoKwNfnwBthdfkfE
Threatray 10'630 similar samples on MalwareBazaar
TLSH 98C4010021180B1FD72B81B97863C0F1A663D4A9EBA5EEB35D8FE06729D62FD3483557
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chase-server.Chase-Durer.local
Sending IP: 76.79.243.86
From: Nick Lee<bsenturk@larmetex.com>
Reply-To: <bsenturk@larmetex.com>
Subject: Bank copy of Payment
Attachment: BANK COPY.rar (contains "BANK COPY.exe")

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

AgentTesla SMTP exfil email address:
test@pushpageseo.com

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
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)
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.AgentTesla
Status:
Malicious
First seen:
2020-07-28 15:56:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP 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 3dd701e877f0f802984c90bcfdcde54c35780c9afb459b2d395e6d38b2d4a503

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments