MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 495239420400a2e812fa7a1ad3d0050a746016c59e9a9b00247e42b6d67eab4d. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments 1

SHA256 hash: 495239420400a2e812fa7a1ad3d0050a746016c59e9a9b00247e42b6d67eab4d
SHA3-384 hash: 4c2e59ef2e794a4331c365a968de26b9b980768800a8441b7da48b132ce6a2b41dafc31061a46d517934923efa09497e
SHA1 hash: eaa6d4ed1c6c9886b1f83af56b49cf3b2f7e081a
MD5 hash: 8a40b2939d2f504ced76d2e13b0ade1f
humanhash: cup-mars-hamper-timing
File name:PO 2345566 hisob-faktura.exe
Download: download sample
Signature AgentTesla
File size:842'240 bytes
First seen:2021-05-11 06:40:24 UTC
Last seen:2021-05-11 07:03:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:qEjyiiQbshIzIekjD8Ji/mPocIIARssDLb2X1RTusX3G1piC3cLPW0H8XSvnLonJ:7aAPoca3DLKX7G10Bt8ivkriGu1R09
Threatray 4'788 similar samples on MalwareBazaar
TLSH BF05228723A86695E5FE0BBA4433064003B4E189E352FB5C7F8495AE1DE77E09B497C3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Connection attempt
Sending a UDP request
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
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
Moves itself to temp directory
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411279 Sample: PO 2345566 hisob-faktura.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected AgentTesla 2->61 63 8 other signatures 2->63 7 PO 2345566 hisob-faktura.exe 15 7 2->7         started        12 YYtJku.exe 14 5 2->12         started        14 YYtJku.exe 4 2->14         started        process3 dnsIp4 53 127.0.0.1 unknown unknown 7->53 43 C:\Users\user\AppData\...\oIPdUOQSdAZY.exe, PE32 7->43 dropped 45 C:\Users\...\oIPdUOQSdAZY.exe:Zone.Identifier, ASCII 7->45 dropped 47 C:\Users\user\AppData\Local\...\tmp3508.tmp, XML 7->47 dropped 49 C:\Users\...\PO 2345566 hisob-faktura.exe.log, ASCII 7->49 dropped 73 Injects a PE file into a foreign processes 7->73 16 PO 2345566 hisob-faktura.exe 2 5 7->16         started        21 schtasks.exe 1 7->21         started        75 Multi AV Scanner detection for dropped file 12->75 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->77 79 Machine Learning detection for dropped file 12->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->81 23 schtasks.exe 1 12->23         started        25 YYtJku.exe 12->25         started        55 192.168.2.1 unknown unknown 14->55 27 schtasks.exe 14->27         started        29 YYtJku.exe 14->29         started        31 YYtJku.exe 14->31         started        file5 signatures6 process7 dnsIp8 51 us2.smtp.mailhostbox.com 208.91.198.143, 49757, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->51 39 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 16->39 dropped 41 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 16->41 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Moves itself to temp directory 16->67 69 Tries to steal Mail credentials (via file access) 16->69 71 3 other signatures 16->71 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-05-11 03:03:23 UTC
AV detection:
4 of 47 (8.51%)
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 behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
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



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-11 07:26:41 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing