MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf. 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 2 File information Comments

SHA256 hash: 3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf
SHA3-384 hash: c59bf9ca3dbc51297800d615108aab3fc4ef4a3277d6e9a5ca927d6fe18da03ffe37cffa3ee296573f98f6354c0d1e10
SHA1 hash: 4014c2a9308acaea0b6acbf29f299a4abfd4d560
MD5 hash: a129a256b9113b4a9283d4d755fbdee1
humanhash: floor-lake-enemy-potato
File name:Bookingreference.exe
Download: download sample
Signature AgentTesla
File size:5'473'792 bytes
First seen:2020-12-17 09:09:17 UTC
Last seen:2020-12-17 10:29:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 98304:ZtL/BgbcDRxypFiyd9HoHvoIBtcGji/YolqTBbYutp:ZzgiydeHA4+I
Threatray 1'868 similar samples on MalwareBazaar
TLSH 8546AE543C22325BF58A31B056EB56E889E5391C2570272B9CD3B87CFA2D9477C8F872
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: secure.zrl.com.zm
Sending IP: 216.194.164.118
From: Beenzu Hamaimbo <beenzu.hamaimbo@zrl.com.zm>
Subject: REVISED 1 Month booking for 12 PAX
Attachment: Bookingreference.zip (contains "Bookingreference.exe")

AgentTesla SMTP exfil server:
mail.pacificwests-deilv.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Injects a PE file into a foreign processes
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-17 09:03:33 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf
MD5 hash:
a129a256b9113b4a9283d4d755fbdee1
SHA1 hash:
4014c2a9308acaea0b6acbf29f299a4abfd4d560
SH256 hash:
2ed00e171f73a48996959d926705d4003c1e82f294260d6e8d7d58cc744733a7
MD5 hash:
320b9eaf75ad941a027592b3717250db
SHA1 hash:
144ba0c4e341ec9c8dea6fac09728de200c5d9e3
Detections:
win_cannon_auto
SH256 hash:
90d389f8f632062df0830dc39551db311b2921f7321637d2be3d19911cd57676
MD5 hash:
90a219497aaa24dbbe5b02853f43137f
SHA1 hash:
e3aa8b0824d5dddd11d78ea42f02c897bf6e7d93
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:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla
Rule name:win_cannon_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

AgentTesla

Executable exe 3f4689ec7f18f1c30786b9953ed1fccb79f806a233aeb730fff83b432adf87bf

(this sample)

  
Delivery method
Distributed via e-mail attachment

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