MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb9ced17a8c77714b290ef76164e2eba8045c1fb625fc26c6756fd09439860be. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: fb9ced17a8c77714b290ef76164e2eba8045c1fb625fc26c6756fd09439860be
SHA3-384 hash: 7ce71c27c94c49c341c3b6029310453b8ed2dc42237e1ee4679a0d41f44faebcd31081cc95002dbb949099de5e2b160b
SHA1 hash: 51258ab66353287f31d30ba3944dd34ee5fe2565
MD5 hash: 42bb714bd22abebb68391ea18b811bd2
humanhash: monkey-lemon-juliet-saturn
File name:MT5681083.exe
Download: download sample
Signature AgentTesla
File size:26'112 bytes
First seen:2022-05-23 12:30:11 UTC
Last seen:2022-05-23 14:36:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 768:sCkOH7Z9zg3C6JMHk2cw9zg3C6JMHk2c5:sCkObS
Threatray 17'265 similar samples on MalwareBazaar
TLSH T11DC2633C27B6CD29F5D506F7F83E33F03D2DAEC5545E965A649830061ABA220CBA17B4
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 07f0d8d4d4d8f007 (8 x AgentTesla, 2 x Formbook, 1 x a310Logger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT5681083.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-24 01:35:36 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
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a window
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Contains functionality to register a low level keyboard hook
Creates an undocumented autostart registry key
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Injects files into Windows application
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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)
Snort IDS alert for network traffic
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 / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632273 Sample: MT5681083.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 6 other signatures 2->75 7 excel.exe 14 4 2->7         started        10 MT5681083.exe 15 7 2->10         started        14 excel.exe 3 2->14         started        process3 dnsIp4 77 Multi AV Scanner detection for dropped file 7->77 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->81 89 2 other signatures 7->89 16 excel.exe 7->16         started        19 cmd.exe 1 7->19         started        53 18.183.227.94, 49739, 49790, 49792 AMAZON-02US United States 10->53 45 C:\Users\user\AppData\Roaming\...\Jtqfrri.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\...\MT5681083.exe.log, ASCII 10->47 dropped 83 Creates an undocumented autostart registry key 10->83 85 Injects a PE file into a foreign processes 10->85 21 MT5681083.exe 2 5 10->21         started        25 cmd.exe 1 10->25         started        87 Injects files into Windows application 14->87 27 cmd.exe 14->27         started        file5 signatures6 process7 dnsIp8 55 Tries to harvest and steal ftp login credentials 16->55 57 Tries to harvest and steal browser information (history, passwords, etc) 16->57 59 Installs a global keyboard hook 16->59 61 Injects files into Windows application 16->61 29 conhost.exe 19->29         started        31 timeout.exe 1 19->31         started        49 163.123.142.161, 49786, 49804, 80 ILIGHT-NETUS Reserved 21->49 51 192.168.2.1 unknown unknown 21->51 41 C:\Users\user\AppData\Roaming\...\excel.exe, PE32 21->41 dropped 43 C:\Users\user\...\excel.exe:Zone.Identifier, ASCII 21->43 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->63 65 Tries to steal Mail credentials (via file / registry access) 21->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->67 33 conhost.exe 25->33         started        35 timeout.exe 1 25->35         started        37 conhost.exe 27->37         started        39 timeout.exe 27->39         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2022-05-23 02:03:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://163.123.142.161/b0ss/inc/93bbfd0eb25562.php
Unpacked files
SH256 hash:
fb9ced17a8c77714b290ef76164e2eba8045c1fb625fc26c6756fd09439860be
MD5 hash:
42bb714bd22abebb68391ea18b811bd2
SHA1 hash:
51258ab66353287f31d30ba3944dd34ee5fe2565
Malware family:
AgentTesla.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: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
Other

Comments