MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f
SHA3-384 hash: e5cf63b2c244a92fa8c4b5cd0029328eaffea43843caff034b3880c75238be9694d5de4ff7d40148a49e989329446b2c
SHA1 hash: e2efc15bbf6754049f3ee02214d5b015b511f5d8
MD5 hash: d9ff6d12572be00d15617406fb849f16
humanhash: burger-florida-don-oven
File name:33948651001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:507'392 bytes
First seen:2020-08-08 08:06:58 UTC
Last seen:2020-08-08 08:54:56 UTC
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:ubnQmG0IVcIX3/4vWMM4OzZG4Eh0cUfhI5X2oz95hTz7MgrpiA:ubnhG07C3/y5Ozk4EWcG+8odVQA
Threatray 10'705 similar samples on MalwareBazaar
TLSH 89B4128940BCEFB7C9EC1AFA58ED3440A6B99D46A703F7181EA535FF648271016E03D9
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sailstar.com.cn
Sending IP: 95.211.211.232
From: ้กพ็‡•็‡• <gu.yanyan@sailstar.com.cn>
Subject: Re: Transfer
Attachment: 33948651001.gz (contains "33948651001.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42061/
Detection(s):
Sanesecurity.Rogue.0hr.20200807-1804.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415703
Signature
Found malware configuration
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)
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-08 01:12:19 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdccdhjz7kumoj7jsbnvcvxuxry4jp53jskjlsfibptqedguhahq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'695 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200808-fqy6f1pbwn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

gz a5f8307a19920f47fe234e536752359ad4391f197e4796bca825371397182aa3

AgentTesla

Executable exe c8c4219d39faa8c727e9905b5156f4bc71c4bfbb4c9495c8a80be7020cd4380f

(this sample)

  
Dropped by
MD5 f3e188e5f636fcc8ae1ba98a284e278d
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42061/
  
Dropped by
SHA256 a5f8307a19920f47fe234e536752359ad4391f197e4796bca825371397182aa3

Comments