MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c584579de13e6355e67a813fa388c5cfe131405dd79da6ad6de1fb47b5f842e. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c584579de13e6355e67a813fa388c5cfe131405dd79da6ad6de1fb47b5f842e
SHA3-384 hash: 6c3c5b2f27ef3a99c73a204a0ef630a5543a59b9c8702ac948278cd0948e161e32eee5a7c133a55588d47c00632565d3
SHA1 hash: 5b161e8edbb38cd291bc768712659b9c91108b7a
MD5 hash: 031b4c67950fbfe79443ead54b3bd927
humanhash: green-mockingbird-uranus-crazy
File name:80WsHwBqy6XEPHe.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:574'976 bytes
First seen:2020-07-16 09:00:54 UTC
Last seen:2020-07-16 10:05:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:D4Nk2k4zU+B1YlnjRaQpO3Ym5lWBcOOYUdd43uEIpW2El:D4B2njkJvc0YSK
Threatray 11'008 similar samples on MalwareBazaar
TLSH D0C48CD83950719EC90F8D7589A4DC30A6206C66F7FBE20763C36E9FB93C596CE111A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.kccalomi.xyz
Sending IP: 176.223.165.138
From: new@kccalomi.xyz
Subject: RE: Invoice-Ex Factory Shipment For Our Client
Attachment: PI 56020-BEC spareparts.zip (contains "80WsHwBqy6XEPHe.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/26588/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.31824.28849.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389509
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246940 Sample: 80WsHwBqy6XEPHe.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 5 other signatures 2->35 7 80WsHwBqy6XEPHe.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\CxXbBiwnkJtCyx.exe, PE32 7->19 dropped 21 C:\...\CxXbBiwnkJtCyx.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmp11D.tmp, XML 7->23 dropped 25 C:\Users\user\...\80WsHwBqy6XEPHe.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Injects a PE file into a foreign processes 7->41 11 80WsHwBqy6XEPHe.exe 4 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.malkocbebe.com 85.95.243.22, 49718, 587 IXIRTR Turkey 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2c584579de13e6355e67a813fa388c5cfe131405dd79da6ad6de1fb47b5f842e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 09:02:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=frmek6o6cptdkxthvaj7uoemlt7bgfaf3v45u2ww3yp3i627qqxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'998 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-kd5987cdrn/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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
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.

9c1c32833b41125183d7caab14e05740

AgentTesla

Executable exe 2c584579de13e6355e67a813fa388c5cfe131405dd79da6ad6de1fb47b5f842e

(this sample)

  
Dropped by
MD5 9c1c32833b41125183d7caab14e05740
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26588/

Comments