MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee448f8c746610231bae16be68c1886af5c4442d7f1d2fa9658b5d27ed309261. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: ee448f8c746610231bae16be68c1886af5c4442d7f1d2fa9658b5d27ed309261
SHA3-384 hash: 0afd4c0eb6b4dc0f6eac6503361f463878603586eb58055eea855927e6e8b048df86c2d4af4f3c7a90c4b00d3ac1014e
SHA1 hash: 801849b5a18a9dccf8340935309623ae110fe494
MD5 hash: dbeb7c90248beb95a19ba038ebe17069
humanhash: mexico-green-romeo-robert
File name:QUOTATION202233.exe
Download: download sample
Signature AgentTesla
File size:884'736 bytes
First seen:2022-01-10 05:20:54 UTC
Last seen:2022-01-10 06:33:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:CcQs5gVr3/ukDC6PBZ0aZikYpb4Efsj8Z3:PFg5BCA0ackYpb7fsQZ3
Threatray 23 similar samples on MalwareBazaar
TLSH T15A15025027F88E23E2B947FB5A30524017B0652D7742F70AC99678DF1EA37D6060F6AB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTATION202233.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-10 05:24:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Forced shutdown of a system process
Adding exclusions to Windows Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to hide user accounts
Contains functionality to register a low level keyboard hook
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Bypass UAC via CMSTP
Sigma detected: Powershell Defender Exclusion
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 / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 549930 Sample: QUOTATION202233.exe Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected UAC Bypass using CMSTP 2->53 55 Yara detected AgentTesla 2->55 57 11 other signatures 2->57 7 QUOTATION202233.exe 4 6 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 2->13         started        15 12 other processes 2->15 process3 file4 39 C:\Windows\Cursors\PROJETSDFC\svchost.exe, PE32 7->39 dropped 41 C:\Users\user\...\QUOTATION202233.exe.log, ASCII 7->41 dropped 69 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->69 71 Creates an autostart registry key pointing to binary in C:\Windows 7->71 73 Adds a directory exclusion to Windows Defender 7->73 75 Drops PE files with benign system names 7->75 17 CasPol.exe 7->17         started        21 powershell.exe 24 7->21         started        23 powershell.exe 25 7->23         started        25 powershell.exe 7->25         started        43 C:\Windows\Temp\14l30tpw.inf, Windows 11->43 dropped 77 Multi AV Scanner detection for dropped file 11->77 27 MSBuild.exe 11->27         started        29 cmstp.exe 11->29         started        45 C:\Windows\Temp\4kgvvlhc.inf, Windows 13->45 dropped 31 cmstp.exe 13->31         started        47 C:\Windows\Temp\42l0awgw.inf, Windows 15->47 dropped signatures5 process6 dnsIp7 49 api.telegram.org 149.154.167.220, 443, 49814, 49815 TELEGRAMRU United Kingdom 17->49 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->61 63 Tries to steal Mail credentials (via file / registry access) 17->63 67 4 other signatures 17->67 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 27->65 signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-10 03:53:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Windows security modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot2081699912:AAEzV3q3VjR4t3322t8vefpFLkMbp3ETawA/sendDocument
Unpacked files
SH256 hash:
ee448f8c746610231bae16be68c1886af5c4442d7f1d2fa9658b5d27ed309261
MD5 hash:
dbeb7c90248beb95a19ba038ebe17069
SHA1 hash:
801849b5a18a9dccf8340935309623ae110fe494
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ee448f8c746610231bae16be68c1886af5c4442d7f1d2fa9658b5d27ed309261

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments