MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f4349a08e548a9dbfc58aecfae2bf5aca9c3a6c765afc641447acf4818bb07f. 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 1

SHA256 hash: 1f4349a08e548a9dbfc58aecfae2bf5aca9c3a6c765afc641447acf4818bb07f
SHA3-384 hash: 3ae4e4dde8b564286eb41fae5a53128787aadf43ba37e46f7e37ecac378e6cf600f40bfff444c6e08c82043a302faa5a
SHA1 hash: d92fc04c4b6c7f5c4b92235dc3a4b242f79f6152
MD5 hash: b94c5f3f3d0a1e955d1ab59a950cb2e5
humanhash: leopard-triple-purple-solar
File name:PLEASE SEND US YOUR CIF PRICE FOR THE ATTACHED ORDER.exe
Download: download sample
Signature AgentTesla
File size:24'117'248 bytes
First seen:2021-05-05 18:22:40 UTC
Last seen:2021-05-05 19:04:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:lBooLLoS60/K7yh0gJMhLxhMHTI2J/CEwrJZ0waEzrTCxEd521XxeG9I:HooLAgiLrLm6JZ0wCeX2pxe6I
Threatray 4'522 similar samples on MalwareBazaar
TLSH 38376BAC751469F0E35B5E7263CF0C0643651270A93BEA0A8F6113FA1A57F173E3998E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Result
Verdict:
UNKNOWN
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped 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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 405120 Sample: PLEASE SEND US YOUR CIF PRI... Startdate: 05/05/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Yara detected AgentTesla 2->36 38 7 other signatures 2->38 6 PLEASE SEND US YOUR CIF PRICE FOR THE ATTACHED ORDER.exe 3 2->6         started        10 jNnIJrO.exe 3 2->10         started        12 jNnIJrO.exe 2 2->12         started        process3 file4 26 PLEASE SEND US YOU...ACHED ORDER.exe.log, ASCII 6->26 dropped 40 Injects a PE file into a foreign processes 6->40 14 PLEASE SEND US YOUR CIF PRICE FOR THE ATTACHED ORDER.exe 2 5 6->14         started        18 PLEASE SEND US YOUR CIF PRICE FOR THE ATTACHED ORDER.exe 6->18         started        42 Antivirus detection for dropped file 10->42 44 Multi AV Scanner detection for dropped file 10->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->46 48 2 other signatures 10->48 20 jNnIJrO.exe 2 10->20         started        22 jNnIJrO.exe 10->22         started        24 jNnIJrO.exe 12->24         started        signatures5 process6 file7 28 C:\Users\user\AppData\Roaming\...\jNnIJrO.exe, PE32 14->28 dropped 30 C:\Users\user\...\jNnIJrO.exe:Zone.Identifier, ASCII 14->30 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Moves itself to temp directory 14->52 54 Tries to steal Mail credentials (via file access) 14->54 56 3 other signatures 14->56 signatures8
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2021-05-05 18:23:11 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Contains code to disable Windows Defender
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: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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-05 19:07:13 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0026.002] Data Micro-objective::XOR::Encode Data