MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f0c636096918ffd81f45e54f65d8992726cbfbef9a8d087476ab5360590d35d. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 9f0c636096918ffd81f45e54f65d8992726cbfbef9a8d087476ab5360590d35d
SHA3-384 hash: 892c4a735e572697b218a81168d0e760ccfcb9a2d6d9f5222108dd56a3650f94247cf9aa422b5bb28e3d98be4b322ca2
SHA1 hash: e061fb307227f68bf9241a55ade9fa1976be5782
MD5 hash: cbb4755899817e5408789fc7c3ae5979
humanhash: uncle-south-bluebird-quebec
File name:Image001.exe
Download: download sample
Signature AgentTesla
File size:783'360 bytes
First seen:2020-07-31 12:12:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e94294aa486edca6180033051104c39
ssdeep 12288:91i+/Z6i2pC138ktn6gCA4iFsrnTp1zPgcER06NL1k3Prp1vIltJb8fW1:HNZopgQgY2O9IcER0UL1k3et8U
TLSH F7F47DE3729C54FEC62E15F84C3BDAE4783AEA231A1714417BE0982F8EF4641B4D51E6
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: cysmodel.com
Sending IP: 185.222.57.165
From: Hedy He <info@cysmodel.com>
Subject: Re: Transfer Confirmation
Attachment: Image001.gz (contains "Image001.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
FR FR
Mail intelligence
Geo location:
Global
Volume:
Low
Geo location:
IT Italy
Volume:
Low
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-31 12:14:06 UTC
AV detection:
23 of 31 (74.19%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
UPX packed file
AgentTesla Payload
AgentTesla
Threat name:
DriveBy Activity
Score:
0.90

Yara Signatures


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 9f0c636096918ffd81f45e54f65d8992726cbfbef9a8d087476ab5360590d35d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments