MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9dd3c076a2e85f8c34caef224c32dc3c9ff2e3d5c00b060a557095b98d751127. 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: 9dd3c076a2e85f8c34caef224c32dc3c9ff2e3d5c00b060a557095b98d751127
SHA3-384 hash: f551fe5cacf09b02e7e9018824c77ed84cb497f4b8dcf5740160a7b28c239aba7ca98cc6c951ba445346d0e330f68f04
SHA1 hash: 718d99f3f6942dfb1259a918684e7bab247d834f
MD5 hash: 38a9e66dcfb9b51c8b0f0e421ee54807
humanhash: idaho-pasta-nineteen-sink
File name:Uva1RyibMqkKwT0.exe
Download: download sample
Signature AgentTesla
File size:699'392 bytes
First seen:2020-08-11 14:31:19 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:SgArCgrpiAHgUGbc0FABu1HzqmZYJd2nI8qO+xrt5BvxpX14euTyTxbiImmiyDN9:S5r/QAAZc0wu9zVY8zczF
Threatray 10'719 similar samples on MalwareBazaar
TLSH FAE48DAC325876DEC59BCD36896C2C50AA213C675B1BC20B901731AD9E3DB97DF106B3
Reporter abuse_ch
Tags:AgentTesla exe HostGator


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gateway31.websitewelcome.com
Sending IP: 192.185.143.31
From: sales@kiharasweetpepperfarm.com
Subject: Attached file is our Quotation and Sample of Products.
Attachment: Quotation and Sample.rar (contains "Uva1RyibMqkKwT0.exe")

AgentTesla SMTP exfil server:
smtp.annlap.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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 signatures2 2 Behavior Graph ID: 262035 Sample: Uva1RyibMqkKwT0.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Yara detected AgentTesla 2->58 60 Yara detected AntiVM_3 2->60 62 2 other signatures 2->62 6 Uva1RyibMqkKwT0.exe 1 2->6         started        10 newapp.exe 1 2->10         started        12 newapp.exe 2->12         started        process3 dnsIp4 32 C:\Users\user\...\Uva1RyibMqkKwT0.exe.log, ASCII 6->32 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->66 68 Injects a PE file into a foreign processes 6->68 70 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->70 15 Uva1RyibMqkKwT0.exe 2 5 6->15         started        72 Machine Learning detection for dropped file 10->72 20 newapp.exe 2 10->20         started        22 newapp.exe 10->22         started        34 192.168.2.1 unknown unknown 12->34 24 newapp.exe 2 12->24         started        26 newapp.exe 12->26         started        file5 signatures6 process7 dnsIp8 36 smtp.annlap.com 15->36 38 us2.smtp.mailhostbox.com 208.91.198.143, 49732, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 28 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->28 dropped 30 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->30 dropped 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 46 Installs a global keyboard hook 15->46 40 smtp.annlap.com 20->40 42 208.91.199.225, 49733, 587 PUBLIC-DOMAIN-REGISTRYUS United States 20->42 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->48 50 Tries to steal Mail credentials (via file access) 20->50 52 Tries to harvest and steal ftp login credentials 20->52 54 Tries to harvest and steal browser information (history, passwords, etc) 20->54 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-11 14:33:05 UTC
AV detection:
26 of 29 (89.66%)
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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
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.

55244c06db9fe09d53df5e967d0fd506

AgentTesla

Executable exe 9dd3c076a2e85f8c34caef224c32dc3c9ff2e3d5c00b060a557095b98d751127

(this sample)

  
Dropped by
MD5 55244c06db9fe09d53df5e967d0fd506
  
Delivery method
Distributed via e-mail attachment

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