MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54c13366823f93c0d7014f3726f945be3c64e04ca41dd289cfb18bd0a6e61991. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 54c13366823f93c0d7014f3726f945be3c64e04ca41dd289cfb18bd0a6e61991
SHA3-384 hash: dfb17258243e09113578cdd8f4cefab02ed7959a1ab2eacedebf89bf02f63690761801cb1402358af87c9bd9fedffba9
SHA1 hash: 5d867b00d5fa7a0366a13d7c42095e8e3dbddbce
MD5 hash: bbf29cb23f39bde444726b991315f5d2
humanhash: cup-mike-black-victor
File name:bbf29cb23f39bde444726b991315f5d2.exe
Download: download sample
Signature AgentTesla
File size:859'648 bytes
First seen:2020-08-06 08:25:09 UTC
Last seen:Never
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:hSLUxkvnXt6K1hEm+4x0kyER1mnctPIsmxbYdnS0JHK2:hBkfdZHE6uaQcx340JH
Threatray 11'274 similar samples on MalwareBazaar
TLSH 49057C2434719540D3EE0971CFCEB6180AFB99602A9BBB15E87B3546F612732B91CCDB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 258594 Sample: m7JvvA0dLa.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 30 cdn.onenote.net 2->30 32 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->32 50 Found malware configuration 2->50 52 Yara detected AgentTesla 2->52 54 Yara detected AntiVM_3 2->54 56 2 other signatures 2->56 7 angel.exe 3 2->7         started        10 m7JvvA0dLa.exe 3 2->10         started        13 angel.exe 2 2->13         started        signatures3 process4 file5 58 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->58 60 Machine Learning detection for dropped file 7->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->62 15 angel.exe 4 7->15         started        28 C:\Users\user\AppData\...\m7JvvA0dLa.exe.log, ASCII 10->28 dropped 64 Injects a PE file into a foreign processes 10->64 19 m7JvvA0dLa.exe 2 7 10->19         started        22 angel.exe 4 13->22         started        signatures6 process7 dnsIp8 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 Tries to harvest and steal ftp login credentials 15->42 44 Tries to harvest and steal browser information (history, passwords, etc) 15->44 34 bh-58.webhostbox.net 199.79.63.24, 49750, 49757, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->34 36 192.168.2.1 unknown unknown 19->36 24 C:\Users\user\AppData\Local\...\angel.exe, PE32 19->24 dropped 26 C:\Users\user\...\angel.exe:Zone.Identifier, ASCII 19->26 dropped 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->46 48 Installs a global keyboard hook 19->48 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-06 08:27:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
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_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 54c13366823f93c0d7014f3726f945be3c64e04ca41dd289cfb18bd0a6e61991

(this sample)

  
Delivery method
Distributed via web download

Comments