MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f17c3df35a88d9aec622d66392147463034718325ce0f5cf457e5cebb190b12d. 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 3 File information Comments

SHA256 hash: f17c3df35a88d9aec622d66392147463034718325ce0f5cf457e5cebb190b12d
SHA3-384 hash: 2700c33f7457400cf92b4f6da7c1b403f186ff9e5d0de22e25165e6f68e018fad7fff7d2fa9eed137937e041de6ac76a
SHA1 hash: 5c15a283991b375ce63956d5686a2ef6b020abdf
MD5 hash: 7420f0eb5af560a74f3f9a59b01e5b4c
humanhash: undress-saturn-uranus-delaware
File name:AWB.exe
Download: download sample
Signature AgentTesla
File size:748'032 bytes
First seen:2020-09-09 18:58:35 UTC
Last seen:2020-09-09 19:34:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mJSJCl4tbOMpLNFgIVaqIJP2hBIsb8xLz1oso5b3QrVjnr:YSJCl4KMTUJRsboLxCb65
Threatray 9'190 similar samples on MalwareBazaar
TLSH A6F401383398DF68E1BF537D6520211113F9E106E36AEA0CBED242DB6E53B91852578F
Reporter FORMALITYDE
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables Windows Defender (via service or powershell)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 283800 Sample: AWB.exe Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Antivirus detection for dropped file 2->51 53 11 other signatures 2->53 7 AWB.exe 1 7 2->7         started        process3 file4 33 C:\Users\user\AppData\Roaming\JJsbqVFOX.exe, PE32 7->33 dropped 35 C:\Users\...\JJsbqVFOX.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp2C33.tmp, XML 7->37 dropped 39 C:\Users\user\AppData\Local\...\AWB.exe.log, ASCII 7->39 dropped 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 2 other signatures 7->61 11 AWB.exe 7->11         started        15 powershell.exe 25 7->15         started        17 powershell.exe 23 7->17         started        19 13 other processes 7->19 signatures5 process6 dnsIp7 41 pka.co.in 103.21.59.28, 49708, 587 PUBLIC-DOMAIN-REGISTRYUS United Arab Emirates 11->41 43 mail.pka.co.in 11->43 45 192.168.2.1 unknown unknown 11->45 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->63 65 Tries to steal Mail credentials (via file access) 11->65 67 Tries to harvest and steal ftp login credentials 11->67 69 2 other signatures 11->69 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 19->27         started        29 conhost.exe 19->29         started        31 10 other processes 19->31 signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-09-09 16:55:27 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion trojan spyware family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Modifies Windows Defender Real-time Protection settings
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 f17c3df35a88d9aec622d66392147463034718325ce0f5cf457e5cebb190b12d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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