MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e738d23963c1001eb3cc3287fd96bacb4a4f073c665c866bc3cadf39d71350e8. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: e738d23963c1001eb3cc3287fd96bacb4a4f073c665c866bc3cadf39d71350e8
SHA3-384 hash: 284a1d06f38e7a79103486208c39e811d42fb47c6da434101fc013db96776bcf12efc990106dc3231fa5f2e8d9b9319f
SHA1 hash: 1d35860cac5be6013a1b14f6df35d1384b23d180
MD5 hash: 52fdcb569f481cc22790555111d46d64
humanhash: mexico-spaghetti-utah-moon
File name:Invoice(Bal.final Payment)_SOA.exe
Download: download sample
Signature AgentTesla
File size:627'712 bytes
First seen:2020-08-31 09:20:36 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:SYHSYjnraFG2Qg4JqMCcw32AQNd9zGMJy2z0R7hBQpDK6dihDiDC60hp7o6T+oN5:PHS4nrQgJq9cw32dNTCMALthipG6d
Threatray 9'439 similar samples on MalwareBazaar
TLSH 4AD42325157C4F76E6FE09FC140D7DA987A06E16D4ACE2EC18A9B2C603A2758D72ED03
Reporter abuse_ch
Tags:AgentTesla CHN exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: honlap.hu
Sending IP: 94.199.178.172
From: 朱君翠 <info@autofenyezeseger.hu>
Subject: 未付发票付款_Outstanding_Invoice_Payment......
Attachment: InvoiceBal.final Payment_SOA.rar (contains "Invoice(Bal.final Payment)_SOA.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-31 03:13:36 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware evasion trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Maps connected drives based on registry
Checks BIOS information in registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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 e738d23963c1001eb3cc3287fd96bacb4a4f073c665c866bc3cadf39d71350e8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments