MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a3479c05afb8620c7e078f550e924d29058c0c14010296f735ac19df393b713. 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 4 File information Comments

SHA256 hash: 5a3479c05afb8620c7e078f550e924d29058c0c14010296f735ac19df393b713
SHA3-384 hash: fb70da8d195a36ce1a287fb6012f8583b7fba3a96300deb5c37481d2e37b4c39396e0cd6158871c211bc7f6d0cdfabad
SHA1 hash: 99e67c22eb50e800bef719152edcdd358c4d0dc9
MD5 hash: 75c5c3a4a631bd4a8ca1f3b01b959a10
humanhash: spaghetti-uncle-three-pluto
File name:order 20210407DTR001.IMG.exe
Download: download sample
Signature AgentTesla
File size:31'744 bytes
First seen:2021-04-21 14:42:31 UTC
Last seen:2021-04-23 15:55:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:Vtt9KFyEm50EjaBYP9rFUEQ3cvA201+9fCanJjEjxGflkGflF:Vtkm5xjaBe7Q3ZpMIKjB
Threatray 4'143 similar samples on MalwareBazaar
TLSH 40E272D26A8446E6D25CF27682DB991423F0E0F7A7329F1FAA8933535C033521FD961B
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Using the Windows Management Instrumentation requests
Sending a UDP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Sending an HTTP GET request to an infection source
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-21 07:15:06 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 5a3479c05afb8620c7e078f550e924d29058c0c14010296f735ac19df393b713

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments