MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ac6122ddd6422d4109ffe04ea1c261ec1032ffa025b56d4abc1c78f3a27039a. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 5ac6122ddd6422d4109ffe04ea1c261ec1032ffa025b56d4abc1c78f3a27039a
SHA3-384 hash: 1bdfee6647d6eab71dbda2d2403ead850267d6359717a3add7f140724e6ef7f07e82dc5d9eb651fc480de341d03d5946
SHA1 hash: 0160ca9f0e8db3f8c8e5041b722c40ea1c61a1be
MD5 hash: ce4a0cb98644997741abecd10d67b4d4
humanhash: vermont-robin-social-oranges
File name:Outstanding Invoice.exe
Download: download sample
Signature AgentTesla
File size:660'480 bytes
First seen:2020-08-13 05:45:19 UTC
Last seen:2020-08-13 06:14:31 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 12288:9KjF+j4VBipmjNGJF0iB5JvEpLnJ0ShmFp7/BrcTlLBWr:4jIYipGNhwEpt0wwp7/dKQ
Threatray 10'557 similar samples on MalwareBazaar
TLSH 0CE4F17037E65A95C3AD0EB5057300406B35391BEF69D70E6D4932DE183AB787282FAB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx.xmtextiles.com
Sending IP: 138.68.68.1
From: Kapil Gandhi <kapil@valcoexports.com>
Subject: Outstanding Invoice
Attachment: Outstanding Invoice.gz (contains "Outstanding Invoice.exe")

AgentTesla SMTP exfil server:
mail.actionassist.co.uk

AgentTesla SMTP exfil email address:
paul@actionassist.co.uk

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-13 05:47:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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 5ac6122ddd6422d4109ffe04ea1c261ec1032ffa025b56d4abc1c78f3a27039a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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