MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bbcefe28aa8efa6232312596c113b91a811c90ae6e567a28180b18097662108f. 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: bbcefe28aa8efa6232312596c113b91a811c90ae6e567a28180b18097662108f
SHA3-384 hash: 25270ed6ec01fa10ef617279be0271a047102ec9e6d597c7501bc7dd91a8140f5a1762995a05604e55419636d8adee45
SHA1 hash: 1be93913b143617f060e7f6ddb9afa454c4d7312
MD5 hash: 00f804a3c0311e70de46f9e34b68bdb1
humanhash: carbon-september-sixteen-michigan
File name:Shasky juman 2 Drilling Hole for Well Qtn.exe
Download: download sample
Signature AgentTesla
File size:624'640 bytes
First seen:2020-08-13 07:38:14 UTC
Last seen:2020-08-13 09:03:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:ALfi7EGrbWU3lvljYlqBz5qOjHdP+j4VBf/IFkY0bFVQ9LUi8fmrIhyOeUnylVhX:WfE5jF+j4VBM7+QrIZY8eESRmzxiSLO
Threatray 10'601 similar samples on MalwareBazaar
TLSH 16D4F07437E56A92C76D0EB5016300401B76782BEFA9D74E2D8A31ED1D39FB03641BAB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: shaksyirengineering.com
Sending IP: 95.211.208.58
From: Sanjeev Dayal <sanjeev@shaksyirengineering.com>
Reply-To: sanjeev@shaksyirengineering.com
Subject: RFQ; - Pile Drilling Machine & Equipments.
Attachment: Shasky juman 2 Drilling Hole for Well Qtn.rar (contains "Shasky juman 2 Drilling Hole for Well Qtn.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265241 Sample: Shasky juman 2 Drilling Hol... Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Sigma detected: Capture Wi-Fi password 2->39 41 Yara detected AgentTesla 2->41 43 6 other signatures 2->43 8 Shasky juman 2 Drilling Hole for Well Qtn.exe 3 2->8         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        process3 file4 31 Shasky juman 2 Dri...or Well Qtn.exe.log, ASCII 8->31 dropped 53 Writes to foreign memory regions 8->53 55 Injects a PE file into a foreign processes 8->55 16 RegSvcs.exe 2 4 8->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        signatures5 process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49752, 587 YANDEXRU Russian Federation 16->33 35 smtp.yandex.com 16->35 29 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 16->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->47 49 Tries to steal Mail credentials (via file access) 16->49 51 5 other signatures 16->51 25 netsh.exe 3 16->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-13 07:40:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
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 bbcefe28aa8efa6232312596c113b91a811c90ae6e567a28180b18097662108f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments