MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fab57203daa45d7bed9b0dbf64ab4bceb1b5d523a14f769e60aa595e53f78a1. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 4fab57203daa45d7bed9b0dbf64ab4bceb1b5d523a14f769e60aa595e53f78a1
SHA3-384 hash: de55291cf2f5f5ff031f027842b9e8d92a6841decf1914eb874d52b16e29cdf4ce1e16782a563ea053ed0542cdca9133
SHA1 hash: 3816671ab287c9bcf025a7e348c16b95bc1df489
MD5 hash: 3683a556590f9d5fe4a15185f475c85f
humanhash: music-red-freddie-three
File name:ALI.EXE
Download: download sample
Signature AgentTesla
File size:1'360'896 bytes
First seen:2021-08-04 03:33:54 UTC
Last seen:2021-08-04 05:12:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:uPHtIjQ8iz/8CxhEHf8huZlZcjOsZ3ON:88ijnHDrO
Threatray 7'771 similar samples on MalwareBazaar
TLSH T146554A5227D86F1DF33EA7B64788509E47F5ED239301E6693CE1269B03B9E048522FD2
dhash icon 64a62131793326cc (5 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter ankit_anubhav
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ALI.EXE
Verdict:
Suspicious activity
Analysis date:
2021-08-04 03:32:46 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Verdict:
MALICIOUS
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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: Powershell Defender Exclusion
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 459027 Sample: ALI.EXE Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 41 mail.privateemail.com 2->41 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected AgentTesla 2->55 57 5 other signatures 2->57 8 ALI.EXE 4 2->8         started        12 zISUu.exe 4 2->12         started        14 zISUu.exe 2->14         started        signatures3 process4 file5 35 C:\Users\user\AppData\Local\...\ALI.EXE.log, ASCII 8->35 dropped 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->59 61 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->61 63 Adds a directory exclusion to Windows Defender 8->63 16 ALI.EXE 2 9 8->16         started        21 powershell.exe 25 8->21         started        65 Multi AV Scanner detection for dropped file 12->65 67 Injects a PE file into a foreign processes 12->67 23 powershell.exe 12->23         started        25 zISUu.exe 12->25         started        signatures6 process7 dnsIp8 37 mail.privateemail.com 198.54.122.60, 49751, 49752, 49753 NAMECHEAP-NETUS United States 16->37 39 192.168.2.1 unknown unknown 16->39 31 C:\Users\user\AppData\Roaming\...\zISUu.exe, PE32 16->31 dropped 33 C:\Users\user\...\zISUu.exe:Zone.Identifier, ASCII 16->33 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->43 45 Moves itself to temp directory 16->45 47 Tries to steal Mail credentials (via file access) 16->47 49 4 other signatures 16->49 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-04 03:34:54 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
efe90b5df6f63522b9b56cc41315fc1baa80ae38382b7e074f39bb8707dd6cde
MD5 hash:
57a44b0e7bc9c0d9a8356ca5f38991ef
SHA1 hash:
6461f9011f61367b49b4add922aea76efb6c4fd9
SH256 hash:
a810fdc9ee8e1fa7483fb3efca36c3c837abe0685b5d0ff98ec842356055a4bf
MD5 hash:
348ab74e9e1d717b411107452bbf0cc9
SHA1 hash:
2901c7997cee964ca3bf672afc73ff2b8f9ca387
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
SH256 hash:
4fab57203daa45d7bed9b0dbf64ab4bceb1b5d523a14f769e60aa595e53f78a1
MD5 hash:
3683a556590f9d5fe4a15185f475c85f
SHA1 hash:
3816671ab287c9bcf025a7e348c16b95bc1df489
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

  
Delivery method
Distributed via e-mail link

Comments