MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c84239cff22632c2ec3809490a5d558d526b70f6f18f051103404fa66f88113. 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: 3c84239cff22632c2ec3809490a5d558d526b70f6f18f051103404fa66f88113
SHA3-384 hash: b7507484e8b2d3208eeefbe9273936ac688b71199c12fe1bede28587466f4ed38c086fb074d1467fcd691a3d22954fef
SHA1 hash: 3ba1e4ffc548abdf9d1d271e7c32368411d2f877
MD5 hash: de67a3a4fe2cfd212015b21591ca5e66
humanhash: muppet-failed-nitrogen-summer
File name:Payment-Copy.exe
Download: download sample
Signature AgentTesla
File size:751'104 bytes
First seen:2020-07-31 10:13:38 UTC
Last seen:2020-07-31 11:09:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:5MpSLwkuAa4FmHEEqvYb34Ud2GR8SZFgZeTFYbISRpReNKmZ:CpSLwBlyoEEqvYb3vdESLgZ8FYbp
TLSH 16F4C004BB90D51FC66B8F7ACAD44400EAB8E5979A1BE387788537FF1CCE36A9901171
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

From: sales1@mikronix-gauges.com
Subject: Swift-Copy
Attachment: Payment-Copy.zip (contains "Payment-Copy.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
32
Origin country :
US US
Mail intelligence
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, 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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 20:42:24 UTC
AV detection:
27 of 30 (90.00%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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.

Malspam

AgentTesla

Executable exe 3c84239cff22632c2ec3809490a5d558d526b70f6f18f051103404fa66f88113

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments