MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fd2782655a0bf022f6219b3d6ba6dbe6f5b759b56dc2dca0a2100bae251ffee. 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 3 File information Comments

SHA256 hash: 5fd2782655a0bf022f6219b3d6ba6dbe6f5b759b56dc2dca0a2100bae251ffee
SHA3-384 hash: 2fe24dba3ce513c286bf1f65c6a1306cdcc950f59a1ec72f199ee4e8a850e41da7a9287559fd99060a5f9e9b1a351e80
SHA1 hash: 758f9f6c6240c387fe274c0f84ba0a869f305497
MD5 hash: ebc2e2f191d0cf23c0f0a237bf59f105
humanhash: nine-hamper-quiet-diet
File name:ArRiyadh New 30072020 PO.exe
Download: download sample
Signature AgentTesla
File size:777'728 bytes
First seen:2020-07-30 06:38:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:GfeFWFdDhecs2bklNfwwuV1pWUJpu7Z/pUtZmgkdQOs97nxFJy614zTfX7B:Gf/dDhecs2QlWVu7ktIgEA97XJb1g
Threatray 10'802 similar samples on MalwareBazaar
TLSH DEF4C0047B51E54EC6AB8F7ACAD44800E9F8F49A4B17E38B74C173AF19CF36A99015B1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.ru:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Creating a file
Using the Windows Management Instrumentation requests
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
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)
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 253819 Sample: ArRiyadh New 30072020 PO.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 45 g.msn.com 2->45 47 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->47 59 Found malware configuration 2->59 61 Sigma detected: Scheduled temp file as task from temp location 2->61 63 Yara detected AgentTesla 2->63 65 7 other signatures 2->65 8 slgXRg.exe 1 2->8         started        11 ArRiyadh New 30072020 PO.exe 5 2->11         started        14 slgXRg.exe 2->14         started        signatures3 process4 file5 67 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->67 69 Machine Learning detection for dropped file 8->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->71 16 slgXRg.exe 2 8->16         started        20 slgXRg.exe 8->20         started        35 C:\Users\user\AppData\...\&startupname&.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmpEF8D.tmp, XML 11->37 dropped 39 C:\...\&startupname&.exe:Zone.Identifier, ASCII 11->39 dropped 41 C:\Users\...\ArRiyadh New 30072020 PO.exe.log, ASCII 11->41 dropped 73 Injects a PE file into a foreign processes 11->73 22 ArRiyadh New 30072020 PO.exe 2 5 11->22         started        25 schtasks.exe 1 11->25         started        27 slgXRg.exe 14->27         started        signatures6 process7 dnsIp8 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->49 51 Tries to steal Mail credentials (via file access) 16->51 53 Tries to harvest and steal ftp login credentials 16->53 55 Tries to harvest and steal browser information (history, passwords, etc) 16->55 43 smtp.yandex.ru 77.88.21.158, 49732, 49749, 587 YANDEXRU Russian Federation 22->43 31 C:\Users\user\AppData\Roaming\...\slgXRg.exe, PE32 22->31 dropped 33 C:\Users\user\...\slgXRg.exe:Zone.Identifier, ASCII 22->33 dropped 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->57 29 conhost.exe 25->29         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 06:39:25 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments