MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f70255da544f5a7d3bda1f13d51280290ee8223cd3fca4a21745af36966c0ed0. 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 3 File information Comments

SHA256 hash: f70255da544f5a7d3bda1f13d51280290ee8223cd3fca4a21745af36966c0ed0
SHA3-384 hash: 23b19db3e53aae508274d4a3c9399610b1f9fbfea754a6aab66f2ef33f72f47ed66803ef563ae9fbe2c9ced5c85a2fa5
SHA1 hash: 061f13c409fd3e72f4ddea88a3209e4e09b45c06
MD5 hash: 997c316b95378109bd7ab7fda2763660
humanhash: fish-march-speaker-violet
File name:Payment_Advice.exe
Download: download sample
Signature AgentTesla
File size:919'040 bytes
First seen:2021-09-29 12:49:44 UTC
Last seen:2021-09-29 12:53:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:1qp+z3f+FzrycfbizXMd2wahj/E9qKNL+a1CPpEAg8+zEpVoZlviYqwQol57wh3D:gpS3a/iLMIopBCxEv1+Kvvifbol57oz
Threatray 10'448 similar samples on MalwareBazaar
TLSH T110158E394D2682F787EEC66CD08C1BCEDEA6A4837B919F1AC496D7D2025770FE48845C
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment_Advice.exe
Verdict:
Malicious activity
Analysis date:
2021-09-29 18:14:06 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
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 493839 Sample: Payment_Advice.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 40 mail.hgnet.net.br 2->40 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 8 other signatures 2->50 8 Payment_Advice.exe 6 2->8         started        12 winfiles.exe 5 2->12         started        14 winfiles.exe 2 2->14         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\AfsZoSk.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpFB96.tmp, XML 8->36 dropped 38 C:\Users\user\...\Payment_Advice.exe.log, ASCII 8->38 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 16 Payment_Advice.exe 2 5 8->16         started        20 schtasks.exe 1 8->20         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 22 schtasks.exe 1 12->22         started        24 winfiles.exe 2 12->24         started        signatures6 process7 file8 30 C:\Users\user\AppData\...\winfiles.exe, PE32 16->30 dropped 32 C:\Users\...\winfiles.exe:Zone.Identifier, ASCII 16->32 dropped 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->42 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-09-29 12:50:09 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
SH256 hash:
d85127ba1af01b8662969ea80c080707d7a74940974ade7fd20240519caa0103
MD5 hash:
c910673f835734114e95a4f641280dbd
SHA1 hash:
5a72dbdcda2da6e2b079f31e7df6dd5acff58784
SH256 hash:
f5ab76a33c606906e2a1a7657274f2cbab7da0ed331c8d7c9c46f40e1083c658
MD5 hash:
b1e8ccf43c3094a63e7436e62085d151
SHA1 hash:
21bd92d1a52c089906e84472959a26de1c47671a
SH256 hash:
f70255da544f5a7d3bda1f13d51280290ee8223cd3fca4a21745af36966c0ed0
MD5 hash:
997c316b95378109bd7ab7fda2763660
SHA1 hash:
061f13c409fd3e72f4ddea88a3209e4e09b45c06
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.

Malspam

AgentTesla

Executable exe f70255da544f5a7d3bda1f13d51280290ee8223cd3fca4a21745af36966c0ed0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments