MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d41a27a3491aad1be7fb88698abb2564f165a498e48ab4aded36da80420bcfd. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 3d41a27a3491aad1be7fb88698abb2564f165a498e48ab4aded36da80420bcfd
SHA3-384 hash: 496ccb933495c798c418933c2c697112d3fa46404eef6553a9220e957576cd52da3ae7ac275d69e7d810611fcb246815
SHA1 hash: 187b7beeb4eb8798389d3b97dc38e79e6921760d
MD5 hash: 979e74675f4581e1aec685b756fbb06a
humanhash: lion-cola-july-pasta
File name:SecuriteInfo.com.Variant.Bulz.937784.5501.26945
Download: download sample
Signature AgentTesla
File size:1'018'368 bytes
First seen:2022-08-08 03:31:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:LaxnZs6ZDK36ohjhU+/p+1Mc4eAwRXIbUDbLDuXkUmlNrao2r/7Kj9UBTC1FPMHv:LaGxze9IbUDHDlU9riUBWFu4+Kve
Threatray 19'332 similar samples on MalwareBazaar
TLSH T15525AE17AFA07704E4F79BB9DC1B686183F67809713EE2792E905C9E2DFA301D50162B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c6ccc84ec8cc8ad8 (10 x AgentTesla, 10 x Formbook, 7 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer.exe packed
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680160 Sample: SecuriteInfo.com.Variant.Bu... Startdate: 08/08/2022 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 9 other signatures 2->39 7 SecuriteInfo.com.Variant.Bulz.937784.5501.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\TWAtFOPPIq.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpC530.tmp, XML 7->27 dropped 29 SecuriteInfo.com.V...937784.5501.exe.log, ASCII 7->29 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 2 other signatures 7->47 11 SecuriteInfo.com.Variant.Bulz.937784.5501.exe 15 6 7->11         started        15 conhost.exe 7->15         started        17 powershell.exe 23 7->17         started        19 schtasks.exe 1 7->19         started        signatures5 process6 dnsIp7 31 api.telegram.org 149.154.167.220, 443, 49812, 49830 TELEGRAMRU United Kingdom 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 59 2 other signatures 11->59 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->57 21 conhost.exe 17->21         started        23 conhost.exe 19->23         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-08-08 02:06:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5467217380:AAEzmkVR7Xx_KwkFrew_RMCmWzxmSLEJAwo/sendDocument
Unpacked files
SH256 hash:
46c120a4010697c052f74b1e93de3c43e3871b42195a37a8d05cd4e09f40d4ed
MD5 hash:
97622b1b85f2d7e6e5a14babbe37e1d8
SHA1 hash:
ccb836b13420b78311e34a5aeb65703904f94d29
SH256 hash:
642d5b8aa52ca35d8386a5b4302aa503d330753426dd950e6c2a47efdbb4b7e2
MD5 hash:
2e85fdecd9837f0895ee6568f97b3cfd
SHA1 hash:
a4df92cf9adfa1c7d26f6d19923cbfa4cbfc596f
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
3d41a27a3491aad1be7fb88698abb2564f165a498e48ab4aded36da80420bcfd
MD5 hash:
979e74675f4581e1aec685b756fbb06a
SHA1 hash:
187b7beeb4eb8798389d3b97dc38e79e6921760d
Malware family:
AgentTesla.v3
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:pe_imphash
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.

Comments