MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ade4caf6c4b04143763c6fd2243d9d6d04ba39ae082a9034fce9fae0a219c6b. 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: 11


Intelligence 11 IOCs 1 YARA 6 File information Comments

SHA256 hash: 4ade4caf6c4b04143763c6fd2243d9d6d04ba39ae082a9034fce9fae0a219c6b
SHA3-384 hash: e79c44f8d233baaadd10994da581ee9cc3516625c0e4dfa72983d45a0f45e87618fe6d248caf96cdeeff4a903c870073
SHA1 hash: dc25942ee4f7715550e7498c9b2a7d6de2900020
MD5 hash: ebab60f64d8ab1c9abed1f8f6bcdfba3
humanhash: equal-alabama-jig-juliet
File name:Invoice.exe
Download: download sample
Signature NanoCore
File size:255'354 bytes
First seen:2021-03-30 12:26:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:FAP1EnCld6HgXMlUSCS8w/6uhGhgGDbogwdc01BA6c:ytnMlUaH3ojH4I6c
Threatray 1'857 similar samples on MalwareBazaar
TLSH 0A4412043AF158BBDA7B2A3118739A3FE3FAE2040333552367392F645E6324755A918F
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
107.173.63.227:53896

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
107.173.63.227:53896 https://threatfox.abuse.ch/ioc/6063/

Intelligence


File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-03-30 12:36:02 UTC
Tags:
installer trojan nanocore rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
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
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Executable has a suspicious name (potential lure to open the executable)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.Generic
Status:
Suspicious
First seen:
2021-03-30 12:26:24 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
8 of 48 (16.67%)
Threat level:
  1/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
:0
Unpacked files
SH256 hash:
1f35bb6728237483c779005fc227e69fef51b0bafd32d15855d483948a337078
MD5 hash:
eef9e469e8a30717974499f277d97e2a
SHA1 hash:
2d33c25984ebd9116beeb55cdde4c5c86c023e5d
SH256 hash:
1b9a4962fc0b62dea3901b2621501a1b1a5f80bbc013cda01ceaceef53108c75
MD5 hash:
1b978ba27a54264108d5276512b2c112
SHA1 hash:
841a5b7d3966db10585508500614280fc5da016d
SH256 hash:
4ade4caf6c4b04143763c6fd2243d9d6d04ba39ae082a9034fce9fae0a219c6b
MD5 hash:
ebab60f64d8ab1c9abed1f8f6bcdfba3
SHA1 hash:
dc25942ee4f7715550e7498c9b2a7d6de2900020
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:ach_NanoCore
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:win_nanocore_w0
Author: Kevin Breen <kevin@techanarchy.net>

File information


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

Comments