MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3736b761f2b82e91cbb074ea1345a6e1e103bb9cb4e043ff17eeb1705c70c94. 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: e3736b761f2b82e91cbb074ea1345a6e1e103bb9cb4e043ff17eeb1705c70c94
SHA3-384 hash: 58e76426a6ea9f799a5c2046f260a804c872fd9e647ef74b3900cc109fd8188644e9c5ddb315adf46f7b0ae5e2d9187e
SHA1 hash: 9ec1e403e668b60c15a8fdea7d8825bf68e228e6
MD5 hash: 70e5096122df2613e6752544b7631496
humanhash: spring-freddie-delta-cold
File name:PAYMENT DOCUMENTS COPY.pdf.exe
Download: download sample
Signature AgentTesla
File size:707'072 bytes
First seen:2020-07-27 23:16:46 UTC
Last seen:2020-07-28 13:18:35 UTC
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:yA4L+Vf+gORNWDdlLfGx4NmyYA8Ujthja3pr5WS3O1r5:yzgBwWexQ98ANW38
Threatray 22 similar samples on MalwareBazaar
TLSH EBE4BE4C76A4968FD06A3FF03FA7B02003A06969A4F1EE0D3CE2E6DE59F2715054576B
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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 register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-27 01:15:01 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP 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 e3736b761f2b82e91cbb074ea1345a6e1e103bb9cb4e043ff17eeb1705c70c94

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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