MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f94fe68e4decbed1a460bbb09116e1f41fc6987bce37ebb6fd09230d3f89d61. 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: 7


Intelligence 7 IOCs YARA 8 File information Comments 1

SHA256 hash: 8f94fe68e4decbed1a460bbb09116e1f41fc6987bce37ebb6fd09230d3f89d61
SHA3-384 hash: d69d7d72ca5f0b4e04afed7010cde61297efb9887629d123bc49f72f0987a46f19327971aca6536c2215efc567e2a3bc
SHA1 hash: ffbadbc4280dcbce95a1da4d34cdb03ebe8864d3
MD5 hash: 3d4f3aef381b1d5eb863123389b7f187
humanhash: monkey-maryland-sixteen-skylark
File name:kn(1).exe
Download: download sample
Signature NanoCore
File size:591'725 bytes
First seen:2021-05-06 13:31:26 UTC
Last seen:2021-05-06 15:20:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 12288:l0VpoRuiXGEpA1IgYLuuinRHzhLsiK3Bs3qGBXFbo1/RXjI4EmYu4:opoRbp8WKZnKBi/HKqbH
Threatray 1'865 similar samples on MalwareBazaar
TLSH 5BC4230B3A61CD57C882833025B7A7F2EB98C20176C99ACB6FD95744ED532CA295F1C7
Reporter starsSk87264403
Tags:NanoCore

Intelligence


File Origin
# of uploads :
4
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Sigma detected: NanoCore
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Predator
Status:
Malicious
First seen:
2021-05-06 13:32:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
28 of 47 (59.57%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
79.134.225.101:1012
nassiru1166sub.ddns.net:1012
Unpacked files
SH256 hash:
f2ef76bcce669c1d1f9424c8a11f6ecf222b7453ba4e0986b6c04366afc7dc68
MD5 hash:
c3df8d132319da9776509720a69863b5
SHA1 hash:
448a7e3cc531dbad8c530b6e9ebfdb63445bc01d
SH256 hash:
8f94fe68e4decbed1a460bbb09116e1f41fc6987bce37ebb6fd09230d3f89d61
MD5 hash:
3d4f3aef381b1d5eb863123389b7f187
SHA1 hash:
ffbadbc4280dcbce95a1da4d34cdb03ebe8864d3
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.

Web download

NanoCore

Executable exe 8f94fe68e4decbed1a460bbb09116e1f41fc6987bce37ebb6fd09230d3f89d61

(this sample)

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-06 14:03:58 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
1) [C0032.001] Data Micro-objective::CRC32::Checksum
2) [C0026.002] Data Micro-objective::XOR::Encode Data
5) [C0045] File System Micro-objective::Copy File
6) [C0046] File System Micro-objective::Create Directory
7) [C0048] File System Micro-objective::Delete Directory
8) [C0047] File System Micro-objective::Delete File
9) [C0049] File System Micro-objective::Get File Attributes
10) [C0051] File System Micro-objective::Read File
11) [C0050] File System Micro-objective::Set File Attributes
12) [C0052] File System Micro-objective::Writes File
13) [E1510] Impact::Clipboard Modification
14) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
15) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
16) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
17) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
18) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
19) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
20) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
21) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
22) [C0017] Process Micro-objective::Create Process
23) [C0038] Process Micro-objective::Create Thread
24) [C0018] Process Micro-objective::Terminate Process