MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1ba82ca9dded6ae3ce6b4eb5efb1eb9f8887a40df95c6f3b818f54fd1e5ad53. 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: c1ba82ca9dded6ae3ce6b4eb5efb1eb9f8887a40df95c6f3b818f54fd1e5ad53
SHA3-384 hash: ca0a3ec5a71d2e041af0794972951dadad99d1e0080569dd2852f985eb27bbdc5f00d4cdb3f53ad82b1bd8916eadc2e6
SHA1 hash: 2ca1f54e958f12d6ef3e3b25bd4a7feae68b39f1
MD5 hash: 361adce20cce4855a8ef909eda8a1ba6
humanhash: arizona-may-double-spaghetti
File name:SWIFT 001.exe
Download: download sample
Signature AgentTesla
File size:566'272 bytes
First seen:2020-07-29 11:53:36 UTC
Last seen:2020-07-29 13:01:22 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 12288:4MDh7vnH9DuwVRB8kWNRPMth2Mc+0VyOKe2LH8XM:XDNfH9HRB8bSQHVyDeQ8X
Threatray 10'624 similar samples on MalwareBazaar
TLSH 13C4022B7200B7A7D96E33B89955D48473FBADA27F21D51E3E4633BC89339024A43917
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.qreyandcom.com
Sending IP: 45.95.169.97
From: Daisy Chiang (Ms.) <info@qreyandcom.com>
Subject: Fwd: Balance Payments MT103 swift Documents
Attachment: SWIFT 001.zip (contains "SWIFT 001.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Installs a global keyboard hook
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)
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.AgentTesla
Status:
Malicious
First seen:
2020-07-29 11:55:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Modifies system certificate store
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Checks BIOS information in registry
Reads user/profile data of local email clients
Looks for VMWare Tools registry key
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 c1ba82ca9dded6ae3ce6b4eb5efb1eb9f8887a40df95c6f3b818f54fd1e5ad53

(this sample)

  
Delivery method
Distributed via e-mail attachment

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