MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e4023f2d5ba6bf0595fb6dcac7c04564239d0ff25408a1aa9c36e1d08ae57e5. 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: 4e4023f2d5ba6bf0595fb6dcac7c04564239d0ff25408a1aa9c36e1d08ae57e5
SHA3-384 hash: 99304ba8730bd3327b7c5149525485667ae9849b2b281bcf94aac3e98aeadfae6f0f458e70b5f623af008671dbe38ff2
SHA1 hash: 764e1d26042af6ae20e4cb436a5c6d73894c6e56
MD5 hash: 67ff3ce03d6bb09047d02c37056f45a8
humanhash: comet-video-october-august
File name:13 W04-BOD01 MOLC.exe
Download: download sample
Signature AgentTesla
File size:438'072 bytes
First seen:2020-08-14 10:08:45 UTC
Last seen:2020-08-14 11:01:26 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 6144:fS1SEFW0bkGL6qa06qc/D0d+sS9hOJQwSLrKx:fS1s0bkGL6qa0rd+sqhfhO
TLSH CA947C363DC21D78D91602B85468ADC2B721FA443EC6CB3FA1DB434D6F0296B776692C
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: qq.com
Sending IP: 59.36.132.35
From: 洪霞 <lily@dahetec.com>
Subject: RE: CNC mold quote (BOD01 Mold)
Attachment: 13 W04-BOD01 MOLC.I.uue (contains "13 W04-BOD01 MOLC.exe")

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
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
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-14 10:10:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
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 4e4023f2d5ba6bf0595fb6dcac7c04564239d0ff25408a1aa9c36e1d08ae57e5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments