MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1619ded454dbc853503db645e4a84b7043506b987fdda038d8f878d5b45c61bd. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: 1619ded454dbc853503db645e4a84b7043506b987fdda038d8f878d5b45c61bd
SHA3-384 hash: a9fce923588ca16757270260a8ea4acf60487cdc81fc392205b4d48957cff3d7fc0f1ae3c771c67bd6783c62588f0f9f
SHA1 hash: 1d2ad6c4a55531aa5a7a9ed22b2425d8ed9bb40a
MD5 hash: 9f54cbaad9c3435d1bf88372fc4481fe
humanhash: bakerloo-utah-ten-river
File name:1C21TTC-006_invoice_G6G3F7f7063871798619426.pdf.exe
Download: download sample
Signature AgentTesla
File size:405'968 bytes
First seen:2023-11-13 16:49:24 UTC
Last seen:2023-11-13 19:04:37 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 6144:TtgOQSd2qNRMbJa9YMyHRU6diLN6WpiLV1VwWdrQL/NnxqxsWL09jWuVEK:fd28CbYNsGMv7drQLFnxqxsWL0B6K
Threatray 2'129 similar samples on MalwareBazaar
TLSH T145843B03EA5B86A3D74E0F36E196080487B2D1C772CFDB7A398D23D555837BE9921227
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 1f195b5a5b6f777f (12 x AgentTesla, 2 x AZORult, 2 x PureCrypter)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
320
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed packed replace
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample has a suspicious name (potential lure to open the executable)
Sample uses string decryption to hide its real strings
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341850 Sample: 1C21TTC-006_invoice_G6G3F7f... Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 30 qu.ax 2->30 32 api.telegram.org 2->32 38 Found malware configuration 2->38 40 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 11 other signatures 2->44 8 1C21TTC-006_invoice_G6G3F7f7063871798619426.pdf.exe 15 4 2->8         started        signatures3 process4 dnsIp5 34 qu.ax 92.118.112.4, 443, 49707 GUDAEV-ASRU Russian Federation 8->34 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->46 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 aspnet_compiler.exe 14 2 8->12         started        16 cmd.exe 1 8->16         started        18 aspnet_compiler.exe 8->18         started        20 cmd.exe 1 8->20         started        signatures6 process7 dnsIp8 36 api.telegram.org 149.154.167.220, 443, 49710, 49711 TELEGRAMRU United Kingdom 12->36 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->54 56 Tries to steal Mail credentials (via file / registry access) 12->56 58 Tries to harvest and steal browser information (history, passwords, etc) 12->58 60 Installs a global keyboard hook 12->60 62 Uses ipconfig to lookup or modify the Windows network settings 16->62 22 conhost.exe 16->22         started        24 ipconfig.exe 1 16->24         started        64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->64 26 conhost.exe 20->26         started        28 ipconfig.exe 1 20->28         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2023-09-30 11:18:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6608518160:AAGWvkedrySVDKcUjgT86hZMARAuINBhuk4/
Unpacked files
SH256 hash:
1619ded454dbc853503db645e4a84b7043506b987fdda038d8f878d5b45c61bd
MD5 hash:
9f54cbaad9c3435d1bf88372fc4481fe
SHA1 hash:
1d2ad6c4a55531aa5a7a9ed22b2425d8ed9bb40a
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe 1619ded454dbc853503db645e4a84b7043506b987fdda038d8f878d5b45c61bd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments