MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9f85809eedc7a4033fa134ae35c2b9ab4de23ee6b2bd923662656d531d3236e. 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 2 File information Comments

SHA256 hash: a9f85809eedc7a4033fa134ae35c2b9ab4de23ee6b2bd923662656d531d3236e
SHA3-384 hash: 48872ef7177293a65fddae2396cfa0fd079edab4a76097aec8a5902c7407417043f0a2a19bde18a4edfd44352e541dc1
SHA1 hash: 8d5f4ff019f588966efefbd38ffd0ecf3e7395e1
MD5 hash: 2332ecea4028b0e745779dd3b245eb04
humanhash: arizona-north-butter-juliet
File name:SOA PROFORMA INVOICE.exe
Download: download sample
Signature AgentTesla
File size:812'544 bytes
First seen:2020-10-30 13:40:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:hmi7rCqNLhrvo2QHw99Ch5XAoc3MRh28nKAWcVZ5:si7rCqBhrvmGOXNKAW
Threatray 1'464 similar samples on MalwareBazaar
TLSH 98056C0339D9D6E9F11A373AD48A844C4BF4FA2115A1DB17ECFB31DA1A213939A13CD6
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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 steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-30 12:17:49 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe a9f85809eedc7a4033fa134ae35c2b9ab4de23ee6b2bd923662656d531d3236e

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments