MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9c301c48f5db16bfee94ef08013387f2e2a26e29b5533add910f0994a49d37a3. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 9c301c48f5db16bfee94ef08013387f2e2a26e29b5533add910f0994a49d37a3
SHA3-384 hash: 4e6ddbc2563dd56969d4e6cd5ce1aedb45e1df36fca982138464dc6ae67a147b4829fbc3ad85cebc92147acb6235c51a
SHA1 hash: 6baa5eb10e7da8d731a1c111bd6132a5a564edcb
MD5 hash: 3947aeb57f40c78747241975a6f08fc0
humanhash: magazine-ten-apart-pennsylvania
File name:PO 31072020.exe
Download: download sample
Signature AgentTesla
File size:519'680 bytes
First seen:2020-07-31 12:50:11 UTC
Last seen:2020-07-31 13:57:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:UHuZEaQeHP6x6xevxuqnr3xPhXowZjD0iYWcGZicnffR:UHu6aQev6NQs3phrZjNYWcFcn
TLSH 48B4CECCB4D6251AF335347E5FF9B19BCEA6E1EB215E422BD230558380786186E83E71
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: pmx.pla.net.py
Sending IP: 190.112.208.176
From: Paco Paquirri <helaman@pla.net.py>
Reply-To: paco paquirri <obe.sales@hotmail.com>
Subject: Re: Re: Nuevo pedido
Attachment: PO 31072020.rar (contains "PO 31072020.exe")

AgentTesla SMTP exfil server:
mail.elyosr.org:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
38
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-31 12:42:19 UTC
AV detection:
22 of 31 (70.97%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Threat name:
Kryptik
Score:
1.00

Yara Signatures


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.

dc5ff3b39423eede06df2200e43764f4

AgentTesla

Executable exe 9c301c48f5db16bfee94ef08013387f2e2a26e29b5533add910f0994a49d37a3

(this sample)

  
Dropped by
MD5 dc5ff3b39423eede06df2200e43764f4
  
Delivery method
Distributed via e-mail attachment

Comments