MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07314d5b91857ca3814c9388a01179c00d6fd8aeb8ff93a73327cffce42c8650. 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: 07314d5b91857ca3814c9388a01179c00d6fd8aeb8ff93a73327cffce42c8650
SHA3-384 hash: 29c74dd80d0a31dab198b9163e529c7d95fa47482369af45697ad4694849774dee1a89157dfd12635183bbc6d0e946f8
SHA1 hash: 8db0db50f886d43665351dba54fca2652d1db18e
MD5 hash: 8dfeeb5848cde9dfd0aa8c504eefeda0
humanhash: venus-thirteen-island-echo
File name:Inv45367894.exe
Download: download sample
Signature AgentTesla
File size:452'096 bytes
First seen:2020-07-25 07:56:58 UTC
Last seen:2020-07-25 08:57:45 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:V+sz089o/v6ZK98DVdodIYh8riynyhhoZPDGRZ8x:pTS/+K98DV2ITiEahod6RZ8
Threatray 11'267 similar samples on MalwareBazaar
TLSH 29A4DF809E953D1FD89C7FB97BAF180103E62C2AE5B2DE4E3DD9F0A92672351065341B
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: Lists.img (contains "Inv45367894.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Creating a file
Creating a window
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Contains functionality to register a low level keyboard hook
Found malware configuration
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 251132 Sample: Inv45367894.exe Startdate: 25/07/2020 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 7 other signatures 2->35 7 Inv45367894.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...WrpmGqzAkDE.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmpDF68.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\Inv45367894.exe.log, ASCII 7->25 dropped 37 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->37 11 MSBuild.exe 10 7->11         started        15 MSBuild.exe 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 27 smtp.gmail.com 108.177.119.108, 49707, 49708, 587 GOOGLEUS United States 11->27 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->39 41 Tries to steal Mail credentials (via file access) 11->41 43 Tries to harvest and steal ftp login credentials 11->43 51 2 other signatures 11->51 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->47 49 Contains functionality to register a low level keyboard hook 15->49 19 conhost.exe 17->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Masslogger
Status:
Malicious
First seen:
2020-07-25 07:58:10 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
evasion spyware keylogger trojan stealer family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Maps connected drives based on registry
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Checks BIOS information in registry
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 07314d5b91857ca3814c9388a01179c00d6fd8aeb8ff93a73327cffce42c8650

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments