MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8df5dd15d2bb8b3201cd4d3de86f6e8f0458a1fcc1939788ba38b99e7a219dc. 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: b8df5dd15d2bb8b3201cd4d3de86f6e8f0458a1fcc1939788ba38b99e7a219dc
SHA3-384 hash: 25d086d3cde60600c7ada8fd9504a980706bfa7d8bd1be48acfd38c4b92756616c1075913a557511123735c79bbb9f1d
SHA1 hash: faf3f2e94a6699321433d67c4674a3f1d0840604
MD5 hash: 1577b0f5557db2eebfaa8eff445e7910
humanhash: music-louisiana-purple-robert
File name:SecuriteInfo.com.Win32.DropperX-gen.15338
Download: download sample
Signature AgentTesla
File size:246'272 bytes
First seen:2022-10-03 08:26:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:ZJ0mVZIsf6VsB9VDgiX93JpjfxZ7QuaAL4CQANObhT0zReFD8K5M69m7zooCqWET:ZDZIW6aBjUiv
Threatray 19'760 similar samples on MalwareBazaar
TLSH T18D3437BB324BC776C07954F1955063EB11D81D5088B263AFE2B47F6530F319DAB20ABA
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 49c9c16d4d4b4141 (1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 714816 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 47 api.telegram.org 2->47 59 Snort IDS alert for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Yara detected AgentTesla 2->63 65 6 other signatures 2->65 8 SecuriteInfo.com.Win32.DropperX-gen.15338.exe 16 7 2->8         started        13 Saedbgw.exe 14 4 2->13         started        15 Saedbgw.exe 3 2->15         started        signatures3 process4 dnsIp5 49 94.131.101.100, 49698, 49699, 49700 NASSIST-ASGI Ukraine 8->49 37 C:\Users\user\AppData\Roaming\...\Saedbgw.exe, PE32 8->37 dropped 39 C:\Users\user\...\Saedbgw.exe:Zone.Identifier, ASCII 8->39 dropped 41 SecuriteInfo.com.W...X-gen.15338.exe.log, ASCII 8->41 dropped 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->69 71 Encrypted powershell cmdline option found 8->71 17 SecuriteInfo.com.Win32.DropperX-gen.15338.exe 2 8->17         started        21 powershell.exe 16 8->21         started        73 Machine Learning detection for dropped file 13->73 75 Injects a PE file into a foreign processes 13->75 23 powershell.exe 13->23         started        25 Saedbgw.exe 13->25         started        27 powershell.exe 15->27         started        29 Saedbgw.exe 15->29         started        file6 signatures7 process8 dnsIp9 43 api.telegram.org 149.154.167.220, 443, 49701, 49702 TELEGRAMRU United Kingdom 17->43 45 192.168.2.1 unknown unknown 17->45 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->51 53 Tries to steal Mail credentials (via file / registry access) 17->53 55 Tries to harvest and steal ftp login credentials 17->55 57 Tries to harvest and steal browser information (history, passwords, etc) 17->57 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-03 08:27:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5573324852:AAHIZ4Q-DwFDzqPmvNO-b6oPMlnlWj8EfMY/sendDocument
Unpacked files
SH256 hash:
b8df5dd15d2bb8b3201cd4d3de86f6e8f0458a1fcc1939788ba38b99e7a219dc
MD5 hash:
1577b0f5557db2eebfaa8eff445e7910
SHA1 hash:
faf3f2e94a6699321433d67c4674a3f1d0840604
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.

Comments