MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f4390c14715f1925addce9b86bdb5b52e3b80563eb42531548ee360b9b7044e. 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: 9f4390c14715f1925addce9b86bdb5b52e3b80563eb42531548ee360b9b7044e
SHA3-384 hash: 6defd750e3f606d909e2df77a4e2f44d5358685c4d191a8a76cb4588d76fa675cb054ce2401cfa61e302e271a9f4f9cd
SHA1 hash: ebde16a85f80630601bde1b3ebd59bb5f64d3dc8
MD5 hash: f3ba1abd86b6f0c287a07bff1de7242a
humanhash: romeo-utah-high-butter
File name:OUTSTANDING STATEMENT.exe
Download: download sample
Signature NanoCore
File size:1'974'784 bytes
First seen:2020-09-10 05:25:17 UTC
Last seen:2020-09-10 05:40:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:C7QTs/f5gSTJrbx9qKBcdI+mPkxzXmnkxY/kIruEjV15wdzBfn/te4l:kt/rTJrbxH8I+mPkxjmnkxElR7w5BcU
Threatray 9'725 similar samples on MalwareBazaar
TLSH F29592013F05E882D54D19B4C86A8BF816107E9DFA59DE1B36D5BE5EF8B22C37C01A4B
Reporter cocaman
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
3
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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.Backdoor.Crysan
Status:
Malicious
First seen:
2020-09-09 23:15:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
418
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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: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.

Malspam

NanoCore

Executable exe 9f4390c14715f1925addce9b86bdb5b52e3b80563eb42531548ee360b9b7044e

(this sample)

Comments