MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f48711218bcf8057de98e3de5bea30ca6eb5aac42e168bff165443746d8f6a1. 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 2 File information Comments

SHA256 hash: 7f48711218bcf8057de98e3de5bea30ca6eb5aac42e168bff165443746d8f6a1
SHA3-384 hash: 1b585f0d3b0ced021d20724b6ad27613c356032586a1756d9a28b8b19aa0fc1276163f38dbd1ef00d5ccc98c10cd9ee5
SHA1 hash: 8a1e876b445b8e3139f7f997dc41033d501a902b
MD5 hash: a14b655feaf0eff133474381b5ec9ebf
humanhash: august-stairway-south-cup
File name:SecuriteInfo.com.Heur.MSIL.Pretoria.1.12187.24067
Download: download sample
Signature NanoCore
File size:667'136 bytes
First seen:2022-07-10 21:33:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:8/xRnNqyqZXX19nBeXdhKmEK3sN3oa3UBOD3Fe/Ifr8RcBjFDQz+Ly5Lahvdj:KbgFzZ5DHVj
TLSH T13CE4AEB727866E40C27E33BA7160A550E3F6F5C78922CE1B4A8DC4D53BA36C57EA5304
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter SecuriteInfoCom
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
318
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Running batch commands
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
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:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 660646 Sample: SecuriteInfo.com.Heur.MSIL.... Startdate: 10/07/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 5 other signatures 2->50 7 SecuriteInfo.com.Heur.MSIL.Pretoria.1.12187.exe 15 3 2->7         started        process3 dnsIp4 42 www.google.com 142.250.203.100, 443, 49725 GOOGLEUS United States 7->42 32 SecuriteInfo.com.H...ria.1.12187.exe.log, ASCII 7->32 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->54 12 cmd.exe 1 7->12         started        15 cmd.exe 3 7->15         started        file5 signatures6 process7 file8 56 Uses ping.exe to sleep 12->56 58 Uses ping.exe to check the status of other devices and networks 12->58 18 reg.exe 1 1 12->18         started        21 PING.EXE 1 12->21         started        24 conhost.exe 12->24         started        34 C:\Users\user\AppData\Roaming\8888.exe, PE32 15->34 dropped 36 C:\Users\user\...\8888.exe:Zone.Identifier, ASCII 15->36 dropped 26 PING.EXE 1 15->26         started        28 conhost.exe 15->28         started        30 PING.EXE 1 15->30         started        signatures9 process10 dnsIp11 52 Creates autostart registry keys with suspicious names 18->52 38 127.0.0.1 unknown unknown 21->38 40 192.168.2.1 unknown unknown 26->40 signatures12
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2022-07-10 17:27:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Executes dropped EXE
Unpacked files
SH256 hash:
7f48711218bcf8057de98e3de5bea30ca6eb5aac42e168bff165443746d8f6a1
MD5 hash:
a14b655feaf0eff133474381b5ec9ebf
SHA1 hash:
8a1e876b445b8e3139f7f997dc41033d501a902b
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: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