MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39ae9bb45b4f178ecade689b35dba1ed79d686199997202995946a64f0317890. 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: 39ae9bb45b4f178ecade689b35dba1ed79d686199997202995946a64f0317890
SHA3-384 hash: cf6e0e3e825f88ac4fad07aea77f47841308132ae0fe3fc9a588bee7e5ab617af1f0654f88d1d9d5a72dd836017e6f4a
SHA1 hash: 7e0fdb2e95f11eb992b5c5606f2ee32159d89bad
MD5 hash: f48b5dd100057d085d4635b622f72cab
humanhash: double-finch-earth-chicken
File name:Quotation9344.Scan.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:638'464 bytes
First seen:2020-07-16 10:03:22 UTC
Last seen:2020-07-16 11:10:05 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:Nl2k4zUcHbZBsnviErmR3TkPEZwdmz2UX1ZNYeqxYJ:N6bZCviX3TkPEZh
Threatray 11'082 similar samples on MalwareBazaar
TLSH D1D47BDC3950718EC98E8C764954DC329A202C72F7FBD60263D36E9B797D39BCA051A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.luckycable.co
Sending IP: 45.95.169.128
From: Lucky Cable Co. <info@luckycable.co>
Subject: R: urgente
Attachment: Quotation9344.Scan.iso (contains "Quotation9344.Scan.exe")

AgentTesla SMTP exfil server:
mail.bosut.mk: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/26651/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.11208.26760.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/389531
Signature
Contains functionality to register a low level keyboard hook
Initial sample is a PE file and has a suspicious name
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 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: 246951 Sample: Quotation9344.Scan.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 26 Multi AV Scanner detection for dropped file 2->26 28 Sigma detected: Scheduled temp file as task from temp location 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 5 other signatures 2->32 7 Quotation9344.Scan.exe 5 2->7         started        process3 file4 18 C:\Users\user\AppData\RoamingYVnYcO.exe, PE32 7->18 dropped 20 C:\Users\user\...YVnYcO.exe:Zone.Identifier, ASCII 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmp258A.tmp, XML 7->22 dropped 24 C:\Users\user\...\Quotation9344.Scan.exe.log, ASCII 7->24 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->36 38 Contains functionality to register a low level keyboard hook 7->38 40 Injects a PE file into a foreign processes 7->40 11 Quotation9344.Scan.exe 2 7->11         started        14 schtasks.exe 1 7->14         started        signatures5 process6 signatures7 42 Tries to steal Mail credentials (via file access) 11->42 44 Tries to harvest and steal ftp login credentials 11->44 46 Tries to harvest and steal browser information (history, passwords, etc) 11->46 48 Installs a global keyboard hook 11->48 16 conhost.exe 14->16         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/39ae9bb45b4f178ecade689b35dba1ed79d686199997202995946a64f0317890/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 10:05:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hgxjxnc3j4ly5sw6ncntlw5b5v45nbqztglsakmvsrvgj4brpcia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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334fcafceb7ca23de3e995d89957290ca49594c51b01929309213be32072d90c
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65a334681f28acfaf75675f309f6f05daa3e6e3b860771730a38ee701cfdef20
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836d479354578427f7cc678351df35175bc6e4b6a75bd936b1945b961f808a88
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849536010ff426ef38e1cd7bc181902612b7adb0951cf8b6d12100b93f3ce4ef
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8b1417b74ac31f2e60a6a9f5ed507caf06026191354ce0e4b6bf0816fd3f512d
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94213bb74d440f1782526a2a47f1820545963ad6b07aca628718c4e9113649e4
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ec17348438d8e6c04f18e329968d37c5d1be05148a7b770e926b8ebeca75f06e
AgentTesla
+ 11'072 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200716-7mzn4ha3le/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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

iso cebbf814023d3b4df1612474fc174b8e89dfb1e311d43a6558f4fe93bcc13298

AgentTesla

Executable exe 39ae9bb45b4f178ecade689b35dba1ed79d686199997202995946a64f0317890

(this sample)

  
Dropped by
MD5 23086c8a94628483fa6347737a806a16
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26651/
  
Dropped by
SHA256 cebbf814023d3b4df1612474fc174b8e89dfb1e311d43a6558f4fe93bcc13298

Comments