MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c17f2f850aaa509e5cd9182eb9e9bfd636bff9307b53d29fd6ed831707eaf7a7. 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 1 YARA 8 File information Comments 1

SHA256 hash: c17f2f850aaa509e5cd9182eb9e9bfd636bff9307b53d29fd6ed831707eaf7a7
SHA3-384 hash: 99802cb0166f91e30ddca010f0b7d3adb0e15989d92bf9dc14a0688941c17a46b0f5342595776c50fb7786f6a30c8f8a
SHA1 hash: fe7a35aaa5924511bdbf233c335c00a4af97455f
MD5 hash: ad0293dd8f844b169c9257b9b684ec53
humanhash: lion-mike-charlie-batman
File name:AD0293DD8F844B169C9257B9B684EC53.exe
Download: download sample
Signature NanoCore
File size:331'200 bytes
First seen:2021-05-07 04:26:06 UTC
Last seen:2021-05-07 05:01:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:lPX2yOFg2WDxEYK7E4ucawrvTgJsBNJ823M4kg6oPVJkxhcyHG6mefg:4TgtCtE4ljL8JsBnMboPsfHGeg
Threatray 1'171 similar samples on MalwareBazaar
TLSH BC6413692764D4B3EF53137096394B96AFE58C0401AB0A27B3C42F27ED52BC75A6F093
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.97.75:8090

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
194.5.97.75:8090 https://threatfox.abuse.ch/ioc/31242/

Intelligence


File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a window
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Detected Nanocore Rat
Found malware configuration
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-04 10:32:32 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence 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
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
omaprilcode.duckdns.org:8090
Unpacked files
SH256 hash:
6f29c6f7899e4324eee98b43d38d2589cb30487e07b939032fbc7333a96d9f98
MD5 hash:
5cfe48bdbca5e128dafbed646fa0d9fc
SHA1 hash:
3febcbb00db07d87392637b46db075cce66246cb
SH256 hash:
c17f2f850aaa509e5cd9182eb9e9bfd636bff9307b53d29fd6ed831707eaf7a7
MD5 hash:
ad0293dd8f844b169c9257b9b684ec53
SHA1 hash:
fe7a35aaa5924511bdbf233c335c00a4af97455f
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-07 05:23:55 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread