MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76a639fa72448baf7f3091bebf0e5c2a51cd8f793826d0d2c3c0447b87ab066d. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments

SHA256 hash: 76a639fa72448baf7f3091bebf0e5c2a51cd8f793826d0d2c3c0447b87ab066d
SHA3-384 hash: a118848dca5941955496c4872b1dad45acc5d6abaf8ed241eea5131843f8fb43e478d347616b53e9847d0c8011880684
SHA1 hash: c22f4e102dd0a46cebec5fb22418f6b2f6177e4d
MD5 hash: 5871ab71cc9a95b3aa823a69c1f00245
humanhash: alabama-oregon-lamp-lithium
File name:733905431.exe
Download: download sample
Signature AgentTesla
File size:890'368 bytes
First seen:2023-10-31 06:58:45 UTC
Last seen:2023-10-31 08:40:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:y1aPYyVF2g9nC6z3lC7HV/z+Ob16MCu+DoEjM7xkp4j1CiP2lQ1CELewJ:y4g+F2g9nCsVi1/KjMC/cb9QOmC1d
Threatray 934 similar samples on MalwareBazaar
TLSH T14515F15366446FAAE93E43B23C36499D0732AD2FD9B0651D686EF1764A333433026D2F
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 13607332330b0bb3 (55 x AgentTesla, 16 x RedLineStealer, 13 x MassLogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a process with a hidden window
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-09-12 11:36:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 37 (72.97%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Unpacked files
SH256 hash:
9a63b62a1296933300f9cda87fefbdfc9f55ee908575a2130c641c9fd0c4f830
MD5 hash:
651ffbf7723d66c959851ec6c450fba2
SHA1 hash:
f7cf3587def824a298ae36da8ce82c62e2245f48
SH256 hash:
72484644b824e994ba827cace88be756e408584a90f20b032c22599f2b35cfca
MD5 hash:
9ffb801fb004db2e5cbf0a1b04486c4f
SHA1 hash:
88c1b7d81ec92346b85916f550e358fd7db0d5b8
SH256 hash:
a93ab27d9bd9aa5b52288ff259e1dd2e8de2c873ee8fd5bbae64bca6f7624ce0
MD5 hash:
f2a2d829d920d375609a49544173df5a
SHA1 hash:
2af0e17de7935177d0a503ec980836fae9e17920
SH256 hash:
76a639fa72448baf7f3091bebf0e5c2a51cd8f793826d0d2c3c0447b87ab066d
MD5 hash:
5871ab71cc9a95b3aa823a69c1f00245
SHA1 hash:
c22f4e102dd0a46cebec5fb22418f6b2f6177e4d
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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