MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cff19685b36b678ecd8a9d4bd7a5fe366bd3340de67528b2b444f6c9fd841d1. 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

SHA256 hash: 1cff19685b36b678ecd8a9d4bd7a5fe366bd3340de67528b2b444f6c9fd841d1
SHA3-384 hash: 167913853f8f8710d9870208bae835feae12d66e531c84a467086855f5a9a6f0d788b9f4b83d3bf63032e4b9d8e46bc4
SHA1 hash: 151c266d9eb0547dbde8425849f5e1cd7665425e
MD5 hash: 681f3a6515a7179e38a164abdf555514
humanhash: delaware-delta-six-nine
File name:Pictures.exe
Download: download sample
Signature AgentTesla
File size:569'856 bytes
First seen:2020-07-24 10:47:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:w479cFEFIXpFvzKFvN+P44b5F2iNm5G7Ab7F32qTxoFpUkeWtA0:wQxqF1I5iAF3B47ef0
Threatray 10'628 similar samples on MalwareBazaar
TLSH 1AC46A412A941A8EE56D77BA73D364149BB8AC161A7FDE2D3DF2C0EC183233CD501A67
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.fundscript.xyz
Sending IP: 45.95.169.179
From: info@fundscript.xyz
Reply-To: info@fundscript.xyz
Subject: Quote#CON-071720-EB
Attachment: New and old Lists.img (contains "Pictures.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250863 Sample: Pictures.exe Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 Sigma detected: Scheduled temp file as task from temp location 2->37 39 9 other signatures 2->39 7 Pictures.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...\lUyjFTqxKLz.exe, PE32 7->23 dropped 25 C:\Users\...\lUyjFTqxKLz.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmpB863.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\Pictures.exe.log, ASCII 7->29 dropped 41 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->41 11 MSBuild.exe 12 7->11         started        15 MSBuild.exe 7->15         started        17 schtasks.exe 1 7->17         started        19 MSBuild.exe 7->19         started        signatures5 process6 dnsIp7 31 smtp.gmail.com 173.194.69.109, 49733, 49735, 49739 GOOGLEUS United States 11->31 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 53 2 other signatures 11->53 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->51 21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Status:
Malicious
First seen:
2020-07-24 10:49:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 1cff19685b36b678ecd8a9d4bd7a5fe366bd3340de67528b2b444f6c9fd841d1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments