MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9370eb77b940552817196f4ada9b057a70b278db9352315e7ff8ed45d3b33cc4. 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: 9370eb77b940552817196f4ada9b057a70b278db9352315e7ff8ed45d3b33cc4
SHA3-384 hash: 68770f5f197e05e0152f89619265fcf941eaac7666365c2783c1714a12d937c16bb88b7a5d2647ca43e3bfbf81e11827
SHA1 hash: 4fb9eee5e96cbb434b54fe77279c06c11a7aa1ba
MD5 hash: fafa2a211b3efb1da6f3087a354528c3
humanhash: xray-beryllium-south-quiet
File name:Uk2NiMBhV8Y3iyu.exe
Download: download sample
Signature AgentTesla
File size:573'952 bytes
First seen:2020-07-16 08:22:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Fww0Fj2k4zUcyBh8MHvMCXs3gYgG6Ohjk/NO/z8dvuMwSDOh:FhiT80vDYJhjkK
Threatray 11'112 similar samples on MalwareBazaar
TLSH 72C48CD83950719EC44E8D768964DC30AA206C66F7FBE207A3C36D9F793C687CE141A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.allfrice.com
Sending IP: 45.95.169.51
From: Kim<info@ulmanfoundation.org>
Subject: PO-7890374
Attachment: NEW-ORDER.IMG (contains "Uk2NiMBhV8Y3iyu.exe")

AgentTesla FTP exfil server:
asnbanknl.com:21

Intelligence


File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246922 Sample: Uk2NiMBhV8Y3iyu.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 5 other signatures 2->35 7 Uk2NiMBhV8Y3iyu.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\clfaGZ.exe, PE32 7->19 dropped 21 C:\Users\user\...\clfaGZ.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmpD.tmp, XML 7->23 dropped 25 C:\Users\user\...\Uk2NiMBhV8Y3iyu.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Injects a PE file into a foreign processes 7->41 11 Uk2NiMBhV8Y3iyu.exe 15 10 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 asnbanknl.com 185.36.81.151, 21, 49721, 49722 TELE-ASTeleAsiaLimitedHK Lithuania 11->27 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 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 07:20:44 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
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 9370eb77b940552817196f4ada9b057a70b278db9352315e7ff8ed45d3b33cc4

(this sample)

  
Delivery method
Distributed via e-mail attachment

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