MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c389014fe07b309ae01e364e5cfa078f0a8239495092a420576a7d94ec4e93e8. 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: c389014fe07b309ae01e364e5cfa078f0a8239495092a420576a7d94ec4e93e8
SHA3-384 hash: 53693ef6dcc806ba6f19b23e54d449f1ba9127305acbc184ecc2597747ba95d651b8d8489c3df86eafc86546ca65f839
SHA1 hash: 6697297a223abdf5030f1e446f76527c4c7d84ad
MD5 hash: 3225f540c8d8997a3476db280f2f5394
humanhash: double-oscar-sad-august
File name:Wire.exe
Download: download sample
Signature AgentTesla
File size:750'080 bytes
First seen:2020-07-16 07:19:00 UTC
Last seen:Never
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:Nls2k4zUVUMYkiDEN1oZmt52nwNCwjtmSHaG:XDiigPoZmt5yjqa
Threatray 11'106 similar samples on MalwareBazaar
TLSH F8F48EDCE518228EC46ECE32DA74EC7C91A05E12B2E6A0C657C2BD9B7CFCE42C51D561
Reporter abuse_ch
Tags:AgentTesla exe OVH


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtpout1.mo804.mail-out.ovh.net
Sending IP: 79.137.123.220
From: <contact@alpha-buro-faconnage.com>
Subject: Wire
Attachment: Wire.iso (contains "Wire.exe")

AgentTesla SMTP exfil server:
mail.jpmvt.com:587

AgentTesla SMTP exfil email address:
nfarr@jpmvt.com

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 07:20:08 UTC
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Modifies registry key
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email 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 c389014fe07b309ae01e364e5cfa078f0a8239495092a420576a7d94ec4e93e8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments