MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3d0bf9251e4c9e7643d80a95dc7ed46e06f062610c3f3cbcebb8ba8343ecede. 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: b3d0bf9251e4c9e7643d80a95dc7ed46e06f062610c3f3cbcebb8ba8343ecede
SHA3-384 hash: 110d2ead06d1873f29286deebcc68c0eb8ef0361b488d661474c709493d7d6380575f4cc73cb6709197aaef19a8b4bde
SHA1 hash: 8f3893d501e48d7c582f1de1f321f8ac24338262
MD5 hash: 98957c57335fcefd5dce687b2eb7c248
humanhash: stream-failed-fillet-four
File name:PO#011.PDF.exe
Download: download sample
Signature AgentTesla
File size:923'136 bytes
First seen:2021-05-11 10:29:49 UTC
Last seen:2021-05-11 11:06:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:rdvwSNacO2+tB/PyGWtlqhVi4kUpNFHB023ewK:rwFtNPzuYL9k6Fh0ce/
Threatray 4'812 similar samples on MalwareBazaar
TLSH B8150221335CAFE2F6BEA77D5820415813F9A805E722E18E7EE518EE1951F8147B3F42
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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
Modifies the hosts file
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: Suspicious Double Extension
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 410960 Sample: PO#011.PDF.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 11 other signatures 2->63 7 PO#011.PDF.exe 7 2->7         started        11 RXhUFA.exe 5 2->11         started        13 RXhUFA.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\...\QWibalCwxQG.exe, PE32 7->35 dropped 37 C:\Users\...\QWibalCwxQG.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp66CB.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...\PO#011.PDF.exe.log, ASCII 7->41 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->67 69 Uses schtasks.exe or at.exe to add and modify task schedules 7->69 15 PO#011.PDF.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        71 Multi AV Scanner detection for dropped file 11->71 73 Machine Learning detection for dropped file 11->73 75 Injects a PE file into a foreign processes 11->75 21 schtasks.exe 1 11->21         started        23 RXhUFA.exe 2 11->23         started        25 RXhUFA.exe 13->25         started        27 schtasks.exe 13->27         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\RXhUFA.exe, PE32 15->43 dropped 45 C:\Users\user\...\RXhUFA.exe:Zone.Identifier, ASCII 15->45 dropped 49 Tries to steal Mail credentials (via file access) 15->49 51 Tries to harvest and steal ftp login credentials 15->51 53 Tries to harvest and steal browser information (history, passwords, etc) 15->53 55 2 other signatures 15->55 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        47 C:\Windows\System32\drivers\etc\hosts, ASCII 25->47 dropped 33 conhost.exe 27->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-11 10:30:31 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
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: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