MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de
SHA3-384 hash: c40655bfe81bbfc9670c114133293831f19a509021e83f39e927f58c9b9fbc3af6fbb42efb015aba38451b7871f746fb
SHA1 hash: cbb4726598aa012f15ee5191b434f8d29d54851a
MD5 hash: c4df328f52522f048ca32b7e479fc0ac
humanhash: emma-iowa-neptune-item
File name:PAYMENT ADVICE.pdf.htm.exe
Download: download sample
Signature AgentTesla
File size:580'096 bytes
First seen:2020-07-16 12:40:58 UTC
Last seen:2020-07-17 11:51:22 UTC
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:nIyDad2k4zUM/og5VKF502sQc2/Lki3TFudj7Z5zMt2Hx1W6TxuQOK:Z54FdNLr3TFW
Threatray 11'129 similar samples on MalwareBazaar
TLSH 49C48DDC3510719EC94E8D768964DC30A6206C62F7FBE20763C72E9F7A3D687CA151A2
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
4
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
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 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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 07:20:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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 75bf8cf9e7b9b06f08396a6d6ecf3bca428c00cd79e4b9bf6e56619b67d7c4de

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments