MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6f646bb653c584a63aed4bc95c2a284d59944986a451ecdd55e029d4d394a5c. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d6f646bb653c584a63aed4bc95c2a284d59944986a451ecdd55e029d4d394a5c
SHA3-384 hash: 77fcda5e888feb89cff39d4bd27c19888985635be0507c20fbe0ca6a2e4cd73db4f7d003f60c84d8e973cef69ea66d0f
SHA1 hash: 80d5bc71fb6fbdadf3f702b1fc7ff4ffa7c8b6fe
MD5 hash: 01a31c6f96c7221a0997911fe69049ae
humanhash: music-steak-juliet-lamp
File name:01a31c6f96c7221a0997911fe69049ae.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'872 bytes
First seen:2022-11-12 15:10:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:MLV6Bta6dtJmakIM5VMBrwBJnaMC8xFev7y4QT1tz:MLV6Btpmk4MFIPHPe2Dtz
Threatray 4'809 similar samples on MalwareBazaar
TLSH T1F814C05577A98A3FD2DE82B960221143937CC2E399C3F7EE28D464B64F263E50A071D3
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
3.67.15.169:17240

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
01a31c6f96c7221a0997911fe69049ae.exe
Verdict:
Malicious activity
Analysis date:
2022-11-12 15:10:46 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/74777747-cac7-48e5-b599-8983f6236122

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/332931/
Detection(s):
Win.Trojan.NanoCore-9852758-0
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Win.Dropper.Nancrat-9869495-0
Create hunting rule

Win.Dropper.Nanocore-9916514-0
Create hunting rule

Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nanocore obfuscated packed rat schtasks.exe windows zusy
Link:
https://www.filescan.io/uploads/636fb78782dd9f2e2653d1d4/reports/7dfdd0bf-0203-46b0-9074-2b047d3a4289/overview
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.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6fb3d5d3-c54a-4a51-9a1d-f497bf4d8874
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1111873
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 744569 Sample: qnRc9JNiMA.exe Startdate: 12/11/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 14 other signatures 2->48 7 qnRc9JNiMA.exe 1 14 2->7         started        12 qnRc9JNiMA.exe 3 2->12         started        14 dhcpmon.exe 2 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 dnsIp4 36 3.124.67.191, 17240, 49698, 49717 AMAZON-02US United States 7->36 38 3.67.15.169, 17240, 49701, 49706 AMAZON-02US United States 7->38 40 3 other IPs or domains 7->40 26 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp7F15.tmp, XML 7->30 dropped 32 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 7->32 dropped 50 Protects its processes via BreakOnTermination flag 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->54 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        34 C:\Users\user\AppData\...\qnRc9JNiMA.exe.log, ASCII 12->34 dropped file5 signatures6 process7 process8 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d6f646bb653c584a63aed4bc95c2a284d59944986a451ecdd55e029d4d394a5c/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-11-09 00:33:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=233eno3fhrmeuy5o2s6jlqvcqtkzsreynjcr5tovlybj2tjzjjoa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
07f511ce3b6a8fb409c1a05ea3e01a6d92422674224109c8d0889a017122098c
NanoCore
24584863e35b36fa2cd4285a6aafd6a117ea0585c5c92ddf289ab13b8af87622
NanoCore
45272694709263868523b77d0561757378cc2e8aa7d64c7ed21deaacbdf88b5b
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
7ceb354c4f419b3daed055ae62d5b1aaf58a7b715f8e9de08e5379e7e70ebeb6
NanoCore
e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11
NanoCore
f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
NanoCore
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
NanoCore
+ 4'799 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221112-skleeagd85/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
7.tcp.eu.ngrok.io:17240
127.0.0.1:17240
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/03df1256-b5e4-4dd8-9b96-0be724e0a0ce
Unpacked files
SH256 hash:
d6f646bb653c584a63aed4bc95c2a284d59944986a451ecdd55e029d4d394a5c
MD5 hash:
01a31c6f96c7221a0997911fe69049ae
SHA1 hash:
80d5bc71fb6fbdadf3f702b1fc7ff4ffa7c8b6fe
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/51f864c0-8607-4b44-9534-5a2617f44b4a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d6f646bb653c584a63aed4bc95c2a284d59944986a451ecdd55e029d4d394a5c

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
Create hunting rule
Author:abuse.ch
Rule name:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Nanocore_d8c4e3c5
Create hunting rule
Author:Elastic Security
Rule name:win_nanocore_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/332931/

Comments