MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637c08924afdfb02e35a02c81b72ccde2f0e3436f1f7e1747eb86b6b6ee5bd68. 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 4 File information Comments

SHA256 hash: 637c08924afdfb02e35a02c81b72ccde2f0e3436f1f7e1747eb86b6b6ee5bd68
SHA3-384 hash: 453a526ab6bbba68cf5defe368ac0fa7ff80f7d0ce673c0fd873420f75b4f990f5dbeb56bd2c44b32d557f04d5415938
SHA1 hash: 80e4e69d0bfc5ceaa47939f2b4bd356d1be5a243
MD5 hash: 48a7f68c9f7330dd90954755853fb5ee
humanhash: snake-arizona-pizza-neptune
File name:SecuriteInfo.com.Artemis48A7F68C9F73.16321.12057
Download: download sample
Signature AgentTesla
File size:750'592 bytes
First seen:2021-05-11 05:50:17 UTC
Last seen:2021-05-11 06:01:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8oLLoS60/K7yh0KzT/kAFbGHReAelyCcm4qLB4hMi9DpKvUowfVJcMp4pjMQ:8oLAC8AZGReACyCcBqGnpcUoEbV+
Threatray 4'748 similar samples on MalwareBazaar
TLSH 89F47CFC751464F9D34B5C23A3CF1C1682251270A93B6A0F9B2113BE5A5BE273E39D89
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
4
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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 Telegram RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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 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 Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411426 Sample: SecuriteInfo.com.Artemis48A... Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 9 other signatures 2->33 7 SecuriteInfo.com.Artemis48A7F68C9F73.16321.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\CxinYjrF.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpC91C.tmp, XML 7->21 dropped 23 SecuriteInfo.com.A...C9F73.16321.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Injects a PE file into a foreign processes 7->41 11 SecuriteInfo.com.Artemis48A7F68C9F73.16321.exe 15 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 api.telegram.org 149.154.167.220, 443, 49757, 49758 TELEGRAMRU United Kingdom 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-11 05:09:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1633482536:AAF1JIS_DaayovuRrLGy_POYaI3DRc2CrPY/sendDocument
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: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: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