MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3631b6f02663cc48d6ca8a8396a168c0d0204326c8d3ff66b25e013c7e8d5f93. 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 3 File information Comments

SHA256 hash: 3631b6f02663cc48d6ca8a8396a168c0d0204326c8d3ff66b25e013c7e8d5f93
SHA3-384 hash: edacd2ee1ca63ece07d6a0f4620780f3abdbb9686151c3c14e1f541197b1f2560d4b652bfbf553ae6896f8123078f8d2
SHA1 hash: c6876cc2dbcc6ebb0d745e8103cbcd73714b3206
MD5 hash: 3ff28b1e5ec63b5413695e81f298a628
humanhash: magnesium-mike-blossom-video
File name:Order List.exe
Download: download sample
Signature AgentTesla
File size:696'320 bytes
First seen:2020-08-03 11:35:34 UTC
Last seen:2020-08-03 12:42:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:gULQzoCQ7CVfwazAmpQNkO30jWYJ6SF9v04HCEVkHU9sbM:rkEB7oU9NkO3aWQK2CEe09
Threatray 10'861 similar samples on MalwareBazaar
TLSH 2CE4CE2C7B90866AF55A0FBE9C3650439D35F80BA82BE38F35F5126C487A79C9C41F52
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 139.64.247.8
Sending IP: 139.64.247.8
From: Abdul Kazim <sales@percenna.com>
Subject: SFG Bilbo - Order
Attachment: Order List.rar (contains "Order List.exe")

AgentTesla SMTP exfil server:
smtp.listenerpro.net:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
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
Using the Windows Management Instrumentation requests
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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 256129 Sample: Order List.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Yara detected AgentTesla 2->42 44 5 other signatures 2->44 6 Order List.exe 3 2->6         started        9 MyApps.exe 2 2->9         started        11 MyApps.exe 3 2->11         started        process3 signatures4 46 Injects a PE file into a foreign processes 6->46 13 Order List.exe 2 5 6->13         started        18 MyApps.exe 9->18         started        48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->50 20 MyApps.exe 2 11->20         started        22 MyApps.exe 11->22         started        24 MyApps.exe 11->24         started        process5 dnsIp6 30 smtp.listenerpro.net 13->30 32 us2.smtp.mailhostbox.com 208.91.199.223, 49715, 587 PUBLIC-DOMAIN-REGISTRYUS United States 13->32 26 C:\Users\user\AppData\Roaming\...\MyApps.exe, PE32 13->26 dropped 28 C:\Users\user\...\MyApps.exe:Zone.Identifier, ASCII 13->28 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->52 54 Moves itself to temp directory 13->54 56 Tries to steal Mail credentials (via file access) 13->56 58 Installs a global keyboard hook 13->58 34 208.91.199.224, 49716, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->34 36 smtp.listenerpro.net 18->36 60 Tries to harvest and steal ftp login credentials 18->60 62 Tries to harvest and steal browser information (history, passwords, etc) 18->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->64 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-03 11:37:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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.

Malspam

AgentTesla

Executable exe 3631b6f02663cc48d6ca8a8396a168c0d0204326c8d3ff66b25e013c7e8d5f93

(this sample)

  
Delivery method
Distributed via e-mail attachment

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