MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f318ec48bd717394507f4f16a8d8ed982484ec5f69ad07cf1e4183a89b18488. 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: 4f318ec48bd717394507f4f16a8d8ed982484ec5f69ad07cf1e4183a89b18488
SHA3-384 hash: cf419398000998ef51e4a3fdd89e6b7f0727b5be3290ee2acb1148941e0b5472f0c005e78247d1c4adbbeb98a6793e46
SHA1 hash: 5a1b4079220aece511d92cb484f0dd89c62ca32f
MD5 hash: 5cea311f2a45ca1f5f2be17fbe302f8f
humanhash: fish-winter-maine-alaska
File name:BL Draft Original Shipping Documents.exe
Download: download sample
Signature AgentTesla
File size:723'456 bytes
First seen:2020-09-01 13:36:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:aeTQjeU6aNXH5SFsCsWz+zlblLs4af0F5Zh21y1jBqsYCQc9de/FqvdEsse71pQK:XsNXMVzklL4f0Vht1j4sYCQc9detqvKE
Threatray 9'996 similar samples on MalwareBazaar
TLSH CFF4E0AC7654B7EFC8A7C876DD6C2C64EA60747B830BD213A01305AD9A0DA97CF145F2
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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 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: 280698 Sample: BL Draft Original Shipping ... Startdate: 01/09/2020 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Antivirus detection for dropped file 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 12 other signatures 2->62 7 newApp.exe 3 2->7         started        10 BL Draft Original Shipping Documents.exe 4 2->10         started        13 newApp.exe 2->13         started        process3 file4 64 Antivirus detection for dropped file 7->64 66 Multi AV Scanner detection for dropped file 7->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 3 other signatures 7->70 15 newApp.exe 2 7->15         started        19 schtasks.exe 1 7->19         started        36 C:\Users\user\AppData\Roaming\OqGotavxg.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp2BC2.tmp, XML 10->38 dropped 40 BL Draft Original ...g Documents.exe.log, ASCII 10->40 dropped 21 BL Draft Original Shipping Documents.exe 2 5 10->21         started        24 schtasks.exe 1 10->24         started        26 BL Draft Original Shipping Documents.exe 10->26         started        signatures5 process6 dnsIp7 42 208.91.199.224, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->42 46 Tries to harvest and steal ftp login credentials 15->46 48 Tries to harvest and steal browser information (history, passwords, etc) 15->48 28 conhost.exe 19->28         started        44 us2.smtp.mailhostbox.com 208.91.199.225, 49727, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->44 32 C:\Users\user\AppData\Roaming\...\newApp.exe, PE32 21->32 dropped 34 C:\Users\user\...\newApp.exe:Zone.Identifier, ASCII 21->34 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->50 52 Tries to steal Mail credentials (via file access) 21->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->54 30 conhost.exe 24->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-09-01 02:44:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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.

  
Delivery method
Other

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