MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5195d4c274fc0e47d1f3a9ca4d3b8591b07a7ebc18fe6ecb531827615669b52f. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 5195d4c274fc0e47d1f3a9ca4d3b8591b07a7ebc18fe6ecb531827615669b52f
SHA3-384 hash: b17ede4c9505883aaf9130391674641b7c39b0c41069b3b4c81211eb8f1974475e0263dc090278f9e1581a563f9e4a33
SHA1 hash: b6d641c600d231047b28158f19958632564f501f
MD5 hash: e6b9ee10ea9eeff90beafc4891a64728
humanhash: beer-cat-football-oscar
File name:e6b9ee10ea9eeff90beafc4891a64728.exe
Download: download sample
Signature AgentTesla
File size:1'054'208 bytes
First seen:2021-04-29 15:08:06 UTC
Last seen:2021-04-29 19:05:32 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 12288:QqXQM1NdYGDdI4/7s4KWKgVEHyx5NgJKyJ4GDw0XK7Z9ZLSo:/VdJ97sNWKg6Hk5NgJT4GDwt7Z9ZLR
Threatray 4'314 similar samples on MalwareBazaar
TLSH 91256ED1B190C89AE87F06F16D3A953015E7BE9D94A4810C6A9DB71B26F3342209FF1F
Reporter abuse_ch
Tags:AgentTesla exe Telegram

Intelligence


File Origin
# of uploads :
2
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla Telegram RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400213 Sample: nrEs3n7XCQ.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected Telegram RAT 2->44 46 5 other signatures 2->46 6 nrEs3n7XCQ.exe 3 2->6         started        10 tnvLnx.exe 2 2->10         started        12 tnvLnx.exe 3 2->12         started        process3 dnsIp4 26 C:\Users\user\AppData\...\nrEs3n7XCQ.exe.log, ASCII 6->26 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->50 52 Injects a PE file into a foreign processes 6->52 15 nrEs3n7XCQ.exe 17 9 6->15         started        20 tnvLnx.exe 2 10->20         started        28 127.0.0.1 unknown unknown 12->28 file5 signatures6 process7 dnsIp8 30 api.telegram.org 149.154.167.220, 443, 49745 TELEGRAMRU United Kingdom 15->30 22 C:\Users\user\AppData\Roaming\...\tnvLnx.exe, PE32 15->22 dropped 24 C:\Users\user\...\tnvLnx.exe:Zone.Identifier, ASCII 15->24 dropped 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->32 34 Tries to steal Mail credentials (via file access) 15->34 36 Tries to harvest and steal ftp login credentials 15->36 38 3 other signatures 15->38 file9 signatures10
Threat name:
ByteCode-MSIL.Infostealer.Coins
Status:
Malicious
First seen:
2021-04-29 14:50:09 UTC
AV detection:
4 of 47 (8.51%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1228892991:AAGnOp7wTkxrjqNouAdSvxxXn7bVaitffNI/sendDocument
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
5195d4c274fc0e47d1f3a9ca4d3b8591b07a7ebc18fe6ecb531827615669b52f
MD5 hash:
e6b9ee10ea9eeff90beafc4891a64728
SHA1 hash:
b6d641c600d231047b28158f19958632564f501f
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

Web download

AgentTesla

Executable exe 5195d4c274fc0e47d1f3a9ca4d3b8591b07a7ebc18fe6ecb531827615669b52f

(this sample)

  
Delivery method
Distributed via web download

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