MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 550f1f9f61e84341192a8059ebde76b260ef3e8bec2bcc692717ff57bcdc0c00. 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 File information Comments

SHA256 hash: 550f1f9f61e84341192a8059ebde76b260ef3e8bec2bcc692717ff57bcdc0c00
SHA3-384 hash: e71c8a89c1b8050f2ea1f3e7a5b9cc5318326faa27b20d2abf5d9fe1e486889b7d9362bc6dce1f38c7c3a61d5e9f15cb
SHA1 hash: a992a83884bad17e60d72bdbd67ed609d0e0717f
MD5 hash: 2682f385b979c894f74f6b1728557b3d
humanhash: fruit-bulldog-hamper-white
File name:IMG-123498765456787654345678-3456765.exe
Download: download sample
Signature AgentTesla
File size:165'776 bytes
First seen:2020-10-09 15:39:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 3072:ArhopjiqvTykUl6sJ24B/oVLDxafV1G++hJFg8Cn7btpUqdArgTS/M:3yEDxM+hIn7Jph
Threatray 420 similar samples on MalwareBazaar
TLSH FDF30BFCBA757C16EA7A9A774AA6C45705F6B5723C00CA4C1CF42BCCDAA01401796DF2
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Adding an access-denied ACE
Unauthorized injection to a recently created process
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
Adding exclusions to Windows Defender
Enabling autorun
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
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
Hides threads from debuggers
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 295881 Sample: IMG-12349876545678765434567... Startdate: 09/10/2020 Architecture: WINDOWS Score: 100 55 Antivirus detection for dropped file 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 7 other signatures 2->61 7 IMG-123498765456787654345678-3456765.exe 24 6 2->7         started        12 IMG-123498765456787654345678-3456765.exe 2->12         started        14 IMG-123498765456787654345678-3456765.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 53 pastebin.com 104.23.99.190, 443, 49735, 49752 CLOUDFLARENETUS United States 7->53 49 IMG-123498765456787654345678-3456765.exe, PE32 7->49 dropped 51 IMG-12349876545678...exe:Zone.Identifier, ASCII 7->51 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->67 69 Creates an undocumented autostart registry key 7->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->71 75 4 other signatures 7->75 18 timeout.exe 1 7->18         started        21 powershell.exe 26 7->21         started        23 powershell.exe 24 7->23         started        31 4 other processes 7->31 73 Hides threads from debuggers 12->73 25 timeout.exe 12->25         started        27 timeout.exe 14->27         started        29 timeout.exe 16->29         started        file5 signatures6 process7 signatures8 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->65 33 conhost.exe 18->33         started        35 conhost.exe 21->35         started        37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        47 conhost.exe 31->47         started        process9
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2020-10-09 15:05:23 UTC
AV detection:
25 of 48 (52.08%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
evasion trojan persistence spyware keylogger stealer family:agenttesla
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
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
Windows security modification
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
550f1f9f61e84341192a8059ebde76b260ef3e8bec2bcc692717ff57bcdc0c00
MD5 hash:
2682f385b979c894f74f6b1728557b3d
SHA1 hash:
a992a83884bad17e60d72bdbd67ed609d0e0717f
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe 550f1f9f61e84341192a8059ebde76b260ef3e8bec2bcc692717ff57bcdc0c00

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments