MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9bfc18f2eeb1ea26c3481b8598cbac125e17220b05fd308770f4f3d69c720b8. 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 2 File information Comments

SHA256 hash: c9bfc18f2eeb1ea26c3481b8598cbac125e17220b05fd308770f4f3d69c720b8
SHA3-384 hash: 0b7ec853a97ba8236b5543de6855ab452d0e923b7cf329a0a528a2cfdcb41921bb9a935cd34b3780058b40d2de94c67e
SHA1 hash: fa4db242fa50b95cf85cfbf3bc0b63b21c43ca4f
MD5 hash: 6e9a7d7cab159caa285feea56fbd1e50
humanhash: failed-south-ohio-eighteen
File name:Order no_131872pdf.exe
Download: download sample
Signature AgentTesla
File size:379'904 bytes
First seen:2023-07-02 06:20:38 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 6144:CrDZeSwxQrq/4zNLNorOQjgDgZE7Nk3Zqu0QKeDMwX0WPXokA:mDZVzNLNkOQj0Nk
Threatray 4'852 similar samples on MalwareBazaar
TLSH T1D7846C0D7B4AB613E6BF5BB3A0664B4007788E27629B9BDF55C179F00E723C1394B192
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)
File icon (PE):PE icon
dhash icon 0561c0d051564666 (2 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
251
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin masquerade packed poison 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:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 897956 Sample: Order_no_131872pdf.exe Startdate: 02/07/2023 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic 2->53 55 Found malware configuration 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 8 other signatures 2->59 6 Order_no_131872pdf.exe 16 5 2->6         started        11 Xxkvir.exe 14 5 2->11         started        13 Xxkvir.exe 4 2->13         started        process3 dnsIp4 29 files.catbox.moe 108.181.20.35, 443, 49700, 49703 ASN852CA Canada 6->29 31 192.168.2.1 unknown unknown 6->31 23 C:\Users\user\AppData\Roaming\Xxkvir.exe, PE32 6->23 dropped 25 C:\Users\user\...\Xxkvir.exe:Zone.Identifier, ASCII 6->25 dropped 27 C:\Users\user\...\Order_no_131872pdf.exe.log, ASCII 6->27 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->61 63 May check the online IP address of the machine 6->63 65 Injects a PE file into a foreign processes 6->65 15 Order_no_131872pdf.exe 2 6->15         started        67 Multi AV Scanner detection for dropped file 11->67 19 Xxkvir.exe 11->19         started        21 Xxkvir.exe 13->21         started        file5 signatures6 process7 dnsIp8 33 api4.ipify.org 104.237.62.211, 443, 49701, 49705 WEBNXUS United States 15->33 35 api.telegram.org 149.154.167.220, 443, 49702, 49706 TELEGRAMRU United Kingdom 15->35 37 api.ipify.org 15->37 39 api.ipify.org 19->39 41 api.ipify.org 21->41 43 173.231.16.76, 443, 49707 WEBNXUS United States 21->43 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->45 47 Tries to steal Mail credentials (via file / registry access) 21->47 49 Tries to harvest and steal browser information (history, passwords, etc) 21->49 signatures9 51 Uses the Telegram API (likely for C&C communication) 41->51
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2023-06-30 10:34:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot2100759405:AAFzA0s7LpNOhvzQJo2bUlDpzSqnB8ir69o/
Unpacked files
SH256 hash:
c9bfc18f2eeb1ea26c3481b8598cbac125e17220b05fd308770f4f3d69c720b8
MD5 hash:
6e9a7d7cab159caa285feea56fbd1e50
SHA1 hash:
fa4db242fa50b95cf85cfbf3bc0b63b21c43ca4f
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: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