MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bff2eb9a8f7c497688208e9031adfc146bad406453325a3eeeb052f840e163f. 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: 2bff2eb9a8f7c497688208e9031adfc146bad406453325a3eeeb052f840e163f
SHA3-384 hash: aacb4b82b4c4b7bab7bab015eb6b840985acd7c9363296b739637c69a9eb558495cabb2905d1b0aa10784623c349425a
SHA1 hash: e4c1ac1a35e42f69b84de84fc1866a9a95fc3d04
MD5 hash: 237cef094a2dee443dabf8969f23fb19
humanhash: freddie-aspen-thirteen-mirror
File name:2020年中国(深圳)国际医疗防疫物资展览会(周文槟).exe
Download: download sample
Signature AgentTesla
File size:825'344 bytes
First seen:2020-08-27 05:44:00 UTC
Last seen:2020-08-27 07:19:20 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:VzHKXdojsDyDqljanetnCyifZ7cbJfb8vUJnbFcrnFGeOXXzWT057Yf/:UXdgseMnCyidcFD8vHy40Sn
Threatray 10'042 similar samples on MalwareBazaar
TLSH CB05E146032E8B3DDD0872BD35A040ADE631AB46EF38E1D8DF4B75B9594E25EA05C3C6
Reporter abuse_ch
Tags:AgentTesla CHN exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail-smail-vm37.hanmail.net
Sending IP: 203.133.180.225
From: 정동디씨 <jungdong2162@daum.net>
Subject: 8月7-8日2020深圳国际医疗防疫物资展剩余展位有限
Attachment: 2020年中国(深圳)国际医疗防疫物资展览会(周文槟).z (contains "2020年中国(深圳)国际医疗防疫物资展览会(周文槟).exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2020-08-27 05:45:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Program crash
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 2bff2eb9a8f7c497688208e9031adfc146bad406453325a3eeeb052f840e163f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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