MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f27943226ebc11e55d8b1fd39eebb7c777a2255b7f1884ce45a2f5345c852cb. 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: 6f27943226ebc11e55d8b1fd39eebb7c777a2255b7f1884ce45a2f5345c852cb
SHA3-384 hash: 09ee99c6dd6bf85b52a2062c4034b331a793fb324b8cb736b339e2b52c8ab1617519ac10ea9b291e7b553801a77c9a75
SHA1 hash: 854386bd6007c7165524567c2de46db1362a2163
MD5 hash: 97e311a4ed6fed2b6995a17906d179d1
humanhash: yankee-speaker-wisconsin-summer
File name:Payment_advice swift copy_pdf.exe
Download: download sample
Signature AgentTesla
File size:636'928 bytes
First seen:2020-08-17 05:56:44 UTC
Last seen:2020-08-17 07:00:17 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:qV4EcmZHAFaxmVmie9bngP3cHunbLfj5N5Oj2r5uy4NgUvGkqzLT/LJ5:84EcmZHAFaxmVmie9bngP3cHmL75N5K8
Threatray 10'480 similar samples on MalwareBazaar
TLSH 39D437A9F890A82DFAFC8AF94871BBD49B552B110C139AC7177136E5C3FE4D16D8C482
Reporter abuse_ch
Tags:AgentTesla exe HSBC


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: oktopod.orion.rs
Sending IP: 77.105.37.151
From: noreply@hsbcbanking.com
Subject: Inward Payment Advice Notice (MT103)
Attachment: Hsbc_Payment_advice swift copy_pdf.img (contains "Payment_advice swift copy_pdf.exe")

AgentTesla SMTP exfil server:
mail-out.cytanet.com.cy:25

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
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)
Initial sample is a PE file and has a suspicious name
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 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.Spyware.Noon
Status:
Malicious
First seen:
2020-08-17 00:25:09 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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 6f27943226ebc11e55d8b1fd39eebb7c777a2255b7f1884ce45a2f5345c852cb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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