MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9381c3c8478e36d7983e3a42ebf2e2ed72ce9bf3b1998cd508815bbb2b3772f0. 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: 9381c3c8478e36d7983e3a42ebf2e2ed72ce9bf3b1998cd508815bbb2b3772f0
SHA3-384 hash: d0eec0f9e25f4c2e7b00c61b9f164b28269a0c3e0754da46f424600980c7aae74e3cd1135cb653c95f2cb52801f416a4
SHA1 hash: 95eefa78ad1cef619fc7b0e9c82a0a2626a40e67
MD5 hash: 90a4496ed678c2a3fc00495626f06b24
humanhash: delaware-six-orange-winter
File name:90a4496ed678c2a3fc00495626f06b24.exe
Download: download sample
Signature AgentTesla
File size:846'336 bytes
First seen:2020-07-22 07:55:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:pbO2CS28qtmuFD7ms9Bb6mPh4bjKx+5JfI4cfYvd9++bxP6+2u7otY5vvL9a+:pi2CSVq2s9Ech4OoZIwm+bG1Y5vZ
Threatray 76 similar samples on MalwareBazaar
TLSH CC05083835D119C4E86D8DB24DA4A590BFF21D866A11C70FE5D13BE85E237C6EA012FE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.qsons.pk:587

Intelligence


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

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249730 Sample: 0AIwc7XcPs.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 Sigma detected: Add file from suspicious location to autostart registry 2->43 45 2 other signatures 2->45 8 0AIwc7XcPs.exe 5 2->8         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming\...\abobex.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->33 dropped 35 C:\Users\user\...\abobex.exe:Zone.Identifier, ASCII 8->35 dropped 37 C:\Users\user\AppData\...\0AIwc7XcPs.exe.log, ASCII 8->37 dropped 15 abobex.exe 8->15         started        18 cmd.exe 1 8->18         started        20 abobex.exe 1 11->20         started        process5 signatures6 53 Writes to foreign memory regions 15->53 55 Allocates memory in foreign processes 15->55 57 Injects a PE file into a foreign processes 15->57 22 InstallUtil.exe 2 15->22         started        25 reg.exe 1 1 18->25         started        27 conhost.exe 18->27         started        59 Multi AV Scanner detection for dropped file 20->59 61 Machine Learning detection for dropped file 20->61 process7 signatures8 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->49 51 Creates an autostart registry key pointing to binary in C:\Windows 25->51 29 conhost.exe 27->29         started        process9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-16 13:25:44 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
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.

Comments