MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 580e9a403ba5923d9efd54ef7f708e0adea2615936cfad7caa1ef38524d50559. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 580e9a403ba5923d9efd54ef7f708e0adea2615936cfad7caa1ef38524d50559
SHA3-384 hash: cce0d82e64b385e9ce643937886f833eb6935b2d0acc490638d9f7b9ccf7a84d4626bf8d0e759dc97798408f07303cda
SHA1 hash: f2e7ce876c82be19e4aa8a4ba5a5131067acad71
MD5 hash: 34b640854f3bcef78f25df1704f70132
humanhash: rugby-georgia-juliet-kansas
File name:2859531946.exe
Download: download sample
Signature AgentTesla
File size:431'616 bytes
First seen:2023-09-07 13:09:32 UTC
Last seen:2023-09-12 16:16:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:ZmzP1lBS1XOD/IKqNqm7tXSJu5DZCvJo:ZyxbDIrqm7tXN51CvJo
Threatray 5'542 similar samples on MalwareBazaar
TLSH T1FB949503BA8EC9F1E2891B36C5C7D01817F5D686B3BBDB0B798A2365484377ADC49607
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
6
# of downloads :
277
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
2859531946.exe
Verdict:
Malicious activity
Analysis date:
2023-09-07 13:10:18 UTC
Tags:
agenttesla stealer

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

Behaviour
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Searching for the window
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin packed replace
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1305333 Sample: 2859531946.exe Startdate: 07/09/2023 Architecture: WINDOWS Score: 100 39 tse1.mm.bing.net 2->39 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Antivirus detection for URL or domain 2->61 63 9 other signatures 2->63 7 2859531946.exe 16 5 2->7         started        12 Ehlndkp.exe 14 5 2->12         started        14 Ehlndkp.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 55 files.catbox.moe 108.181.20.35, 443, 49707, 49710 ASN852CA Canada 7->55 37 C:\Users\user\AppData\Roaminghlndkp.exe, PE32 7->37 dropped 79 Creates multiple autostart registry keys 7->79 81 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->81 83 Writes to foreign memory regions 7->83 18 MSBuild.exe 16 4 7->18         started        23 MSBuild.exe 7->23         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 89 Allocates memory in foreign processes 12->89 25 MSBuild.exe 3 12->25         started        27 MSBuild.exe 12->27         started        91 Injects a PE file into a foreign processes 14->91 29 MSBuild.exe 14->29         started        31 conhost.exe 16->31         started        33 conhost.exe 16->33         started        file6 signatures7 process8 dnsIp9 41 api4.ipify.org 173.231.16.76, 443, 49708, 49713 WEBNXUS United States 18->41 43 amtechprinting.com 64.188.2.244, 49709, 49717, 49731 ASN-QUADRANET-GLOBALUS United States 18->43 51 2 other IPs or domains 18->51 35 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->35 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Tries to steal Mail credentials (via file / registry access) 18->67 69 Creates multiple autostart registry keys 18->69 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->71 73 May check the online IP address of the machine 23->73 45 mail.amtechprinting.com 25->45 47 api.ipify.org 25->47 49 64.185.227.156, 443, 49730 WEBNXUS United States 29->49 53 2 other IPs or domains 29->53 75 Tries to harvest and steal browser information (history, passwords, etc) 29->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->77 file10 signatures11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-09-07 11:02:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
580e9a403ba5923d9efd54ef7f708e0adea2615936cfad7caa1ef38524d50559
MD5 hash:
34b640854f3bcef78f25df1704f70132
SHA1 hash:
f2e7ce876c82be19e4aa8a4ba5a5131067acad71
Malware family:
AgentTesla.v4
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:NET
Author:malware-lu
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.

Malspam

AgentTesla

Executable exe 580e9a403ba5923d9efd54ef7f708e0adea2615936cfad7caa1ef38524d50559

(this sample)

Comments