MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0268eefb8ad835c3aeb0fca4d15bb1392952d59b4d8ccfebf070881412e1ec6. 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: b0268eefb8ad835c3aeb0fca4d15bb1392952d59b4d8ccfebf070881412e1ec6
SHA3-384 hash: 562f1b67a6c9664072d1a3a79bf617b6366d70995385bdae1f4b6a031196070b5d1f2b482520cb58c67c8e043f0a7332
SHA1 hash: 12f09afe2fdb57ef52089345e74fd6ad476ff519
MD5 hash: aa910773d810f4222dc55005332dcf14
humanhash: eleven-two-crazy-massachusetts
File name:RFQ(PWCS)000000.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:557'056 bytes
First seen:2020-07-16 18:54:26 UTC
Last seen:2020-07-16 20:13:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:HWiUIu2k4zUKAJpbOOlldzURDwXVa5mSv2QVczii1qQCD+3c:2i/AJpyElFVVag0c
Threatray 11'032 similar samples on MalwareBazaar
TLSH 3FC48BC83910719EC94E8D768964DC30A6206C66F7FBD206A3C36E9F793D686DF011A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: VIJAYAKUMAR VELUCHAMY <mnnikhaeily@jec.qa>
Reply-To: jerricko-leo@jec.qa
Subject: RFQ for Design, Supply & Installation, Testing &Commissioning of Pneumatic Waste Collection System (PWCS) - Tender No. 55012931 CP13 C2 & C4 Design & Construction of PWC Plant at Seef Lusail - North & Commercial Bouleverd
Attachment: RFQPWCS000000.rar (contains "RFQ(PWCS)000000.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26996/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.10784.16137.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching the process to change network settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388796
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 246577 Sample: RFQ(PWCS)000000.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 37 cdn.onenote.net 2->37 47 Found malware configuration 2->47 49 Sigma detected: Capture Wi-Fi password 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 9 RFQ(PWCS)000000.exe 1 2->9         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        signatures3 process4 file5 31 C:\Users\user\...\RFQ(PWCS)000000.exe.log, ASCII 9->31 dropped 16 RegSvcs.exe 2 4 9->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49735, 587 YANDEXRU Russian Federation 16->33 35 smtp.yandex.com 16->35 29 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 16->29 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->41 43 Tries to steal Mail credentials (via file access) 16->43 45 5 other signatures 16->45 25 netsh.exe 3 16->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0268eefb8ad835c3aeb0fca4d15bb1392952d59b4d8ccfebf070881412e1ec6/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 18:56:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wati535yvwbvyoxlb7fe2fn3cojjklkzwtmmz7v7a4eicqjod3da._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'022 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-83gb54m5ce/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.

Malspam

AgentTesla

rar 751ef0d0f65593845c29b597a172e665a9aecae15e1ed60db9f0377b7a0b99cd

AgentTesla

Executable exe b0268eefb8ad835c3aeb0fca4d15bb1392952d59b4d8ccfebf070881412e1ec6

(this sample)

  
Dropped by
MD5 84bc6a933e656f776e429d776266227a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 751ef0d0f65593845c29b597a172e665a9aecae15e1ed60db9f0377b7a0b99cd
Cape
Cape
https://www.capesandbox.com/analysis/26996/

Comments