MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5568021e42a81a2755fd6d968efa50b13f99a9997d8973097231079de84832ad. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 5568021e42a81a2755fd6d968efa50b13f99a9997d8973097231079de84832ad
SHA3-384 hash: 7ee7dc1a5ac8bca4007dd1ad75a8207e70db9617847e0584d97eed0094e2d32f987743abbb773a6ed78bc4469fc42440
SHA1 hash: d2fbc78a78f3f41069c014a5a490f09826bab3d9
MD5 hash: 5d75a6cdfafb2e3f2687e541d9fb8d45
humanhash: winner-single-blue-undress
File name:8OC4jEIeyPSSSso.exe
Download: download sample
Signature AgentTesla
File size:1'138'176 bytes
First seen:2020-08-05 07:56:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LufJHF8pStM7cG2PmvhRna0Il/RSze6r4p7a53PIUuDEjpk18gF6Gl4t7M3G6nBw:qJWGwYXftfDyHV71kzgTctpwKpw
Threatray 10'722 similar samples on MalwareBazaar
TLSH 9835F0A13A48CF64D97E073538336440EBF2BD05DB60E60DFD5671AD1B72A894E26B0E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: Gary Simona <manoj@msvfabrics.in>
Subject: Request for urgent quotation for insignia project
Attachment: Quote Request.Gz (contains "8OC4jEIeyPSSSso.exe")

AgentTesla SMTP exfil server:
smtp.lettu.us:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Installs a global keyboard hook
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 07:58:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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: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.

Malspam

AgentTesla

Executable exe 5568021e42a81a2755fd6d968efa50b13f99a9997d8973097231079de84832ad

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments