MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e31549cca55d573ddd7b5dbaee0371889e5b1b3bd5a56154e3ecd9a49ac75c7. 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



NanoCore


Vendor detections: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 7e31549cca55d573ddd7b5dbaee0371889e5b1b3bd5a56154e3ecd9a49ac75c7
SHA3-384 hash: cef83f84acc5651d6e7f7249a38aa92cc7d4d2cc6eb959805e4a983192768265035d541b9bb543827b18e0cbbd0e5704
SHA1 hash: 592a58e25f50d150a9b013c7a4cd62347dcc7829
MD5 hash: 3fb232a4227fbbb149a3e72143b73b2e
humanhash: sad-angel-skylark-kentucky
File name:PI.exe
Download: download sample
Signature NanoCore
File size:493'568 bytes
First seen:2020-08-10 13:47:18 UTC
Last seen:2020-08-13 04:04:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:FCMv80bdJ/+cxGnoBqPG4HwVIhjPCr6u+p+p+8xaRErUqTJ:0Mv8Y5knVO4QShATxp+82ETJ
Threatray 10'656 similar samples on MalwareBazaar
TLSH 9FA4D007F5C3F0F8CDE90DB0885358ADA113175E34F7BB255CA5B2881A9E3CE616687A
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
4
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Signature
Creates an undocumented autostart registry key
Machine Learning detection for dropped file
Machine Learning detection for sample
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260931 Sample: PI.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 76 40 Yara detected AgentTesla 2->40 42 Machine Learning detection for sample 2->42 44 Machine Learning detection for dropped file 2->44 7 PI.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 C:\Users\user\AppData\Local\...\PI.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->50 11 PI.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 46 Creates an undocumented autostart registry key 21->46
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-09 22:27:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious use of SetThreadContext
Loads dropped DLL
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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