MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d24bb55f5d9a39c42a96837653c4821ee9406d0896199db1b54cc3078b002547. 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: d24bb55f5d9a39c42a96837653c4821ee9406d0896199db1b54cc3078b002547
SHA3-384 hash: 4cc26929d56156b819bf205ff7d9da0dee0e9c632babcfdbbb76f48b12ca9d72aad5ab9bf33f65caf9d806907a1bc91c
SHA1 hash: c09fde1e85e515faf328ae72b54f75d85facbf86
MD5 hash: d90fb74c881b8a28fe1a45315eed375b
humanhash: floor-fanta-kansas-steak
File name:RFQ 0000000000.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:557'568 bytes
First seen:2020-07-16 10:40:07 UTC
Last seen:2020-07-16 12:08:25 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 12288:4O5lz2k4zUwF8QeP7OQjIfhz2ot6OczBrEufL0:40EePSR2ot6t
Threatray 11'046 similar samples on MalwareBazaar
TLSH FAC49DD83610719EC44E8D768964DC70AA202D62F7FBD207A3C36E9F793C697CB151A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: lmcokw.com
Sending IP: 95.211.208.58
From: Erfan Dehghani <rsriniversani@lmcokw.com>
Reply-To: Info@lmcokw.com
Subject: RFQ - PIPE, PUMP AND VALVE FOR INSTALLATION OF MAB-SHUAIBA OIL PIER AND CATHODIC PROCTECTION FOR UNDERGROUND PINPING WORK.
Attachment: RFQ 0000000000.rar (contains "RFQ 0000000000.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26696/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.3831.11982.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/389567
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 signatures2 2 Behavior Graph ID: 246972 Sample: RFQ 0000000000.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Sigma detected: Capture Wi-Fi password 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 8 RFQ 0000000000.exe 1 2->8         started        11 LKUgjc.exe 2 2->11         started        13 LKUgjc.exe 1 2->13         started        process3 file4 30 C:\Users\user\...\RFQ 0000000000.exe.log, ASCII 8->30 dropped 15 RegSvcs.exe 1 4 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process5 dnsIp6 32 smtp.yandex.ru 77.88.21.158, 49717, 587 YANDEXRU Russian Federation 15->32 34 smtp.yandex.com 15->34 28 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 15->28 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 5 other signatures 15->42 24 netsh.exe 3 15->24         started        file7 signatures8 process9 process10 26 conhost.exe 24->26         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d24bb55f5d9a39c42a96837653c4821ee9406d0896199db1b54cc3078b002547/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 10:42:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2jf3kx25ti44ikuwqn3fhrecd3uua3iisymz3mnvjtbqpcyaevdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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872aaa3d5b005b0ad86226166438b998a20f3e1619b1bd2de4ab2f60398c809a
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8a38416c96cd729c983630873174412ea5a61f140dfd6aaa1e88a6fbaa083002
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a4d604ac931839ec691dccc2474d80bf2f826693d4ce914a161a484288ebe20a
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b0268eefb8ad835c3aeb0fca4d15bb1392952d59b4d8ccfebf070881412e1ec6
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bdd99d7df6c40ae759c0006371f79c34fdc6d551e8aa6173f939e33685a4b7a8
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bddb7243a3c497b8189e815b30996642d01f881830d241bffe6cbd88a59ec95f
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d506b23a03a75b6f7c9a10613a6b62da0acaae363ca72523e8e1cdecb2b7f2b0
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fb42ce632ff111ef24eebae3f336e0e04b8602dd621e2886a22ce0870ce287c4
AgentTesla
+ 11'036 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200716-z6hlyl3ka2/
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 web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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.

e54edeccfe7357b9a6607b2ed6d453d4

AgentTesla

Executable exe d24bb55f5d9a39c42a96837653c4821ee9406d0896199db1b54cc3078b002547

(this sample)

  
Dropped by
MD5 e54edeccfe7357b9a6607b2ed6d453d4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26696/

Comments