MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 835a330ce5b6eee3abe4562fbc59bb83915a61ecf3141c8adb74e96aa9ab81bb. 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 5 File information Comments

SHA256 hash: 835a330ce5b6eee3abe4562fbc59bb83915a61ecf3141c8adb74e96aa9ab81bb
SHA3-384 hash: 9278dc06e024f985c9c2d5da76da6c07a46fefa8c3aa5cccba26178cd6c42b7b979fdbd9c44ca6eb17a91a3e66ea5960
SHA1 hash: efbffe820a256d664c780075566777436e9733f3
MD5 hash: d7690294f958d180477981c4315a7311
humanhash: red-venus-earth-berlin
File name:Xeroxscannerinvoice_pdf.exe
Download: download sample
Signature AgentTesla
File size:742'400 bytes
First seen:2022-04-25 10:56:33 UTC
Last seen:2022-04-25 13:14:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:AslQllHoALJ2ICN8Nx5zztKKRIhWs7tKl8diKjDEAegudp7cUkwWJYtfY:ml+Q/xtK+I7Kl8vju0wWJYtA
Threatray 16'298 similar samples on MalwareBazaar
TLSH T1BEF47BA3F7CDB319E68E3EAA4F52631360729363E36774F40E964F118BF18556213A84
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file
Reading critical registry keys
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to hide user accounts
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
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)
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-25 06:28:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 41 (41.46%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5225585806:AAEkRG_DCi6c3Vpj9iXzTC4UbRlDhIqVhBU/sendDocument
Unpacked files
SH256 hash:
40528a4416443c1eabe8f17982e89f723f5cea45cf7a587ca5cc66b4b1add1e1
MD5 hash:
400ad81e932c1850a8b4851c886a1ac5
SHA1 hash:
8f267e3810c2a5e3ae45b046ede95578bc81bb0c
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
835a330ce5b6eee3abe4562fbc59bb83915a61ecf3141c8adb74e96aa9ab81bb
MD5 hash:
d7690294f958d180477981c4315a7311
SHA1 hash:
efbffe820a256d664c780075566777436e9733f3
Malware family:
AgentTesla
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pdb
Author:@stvemillertime
Description:Searching for PE files with PDB path keywords, terms or anomalies.
Rule name:pdb2
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.

Malspam

AgentTesla

Executable exe 835a330ce5b6eee3abe4562fbc59bb83915a61ecf3141c8adb74e96aa9ab81bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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