MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1
SHA3-384 hash: 92c2d816b42bb03f0bb48ed821de0538f9a1a524268558b2d7cb7879df83d57b8897ff53fedccd85ccfe2fd0a1114974
SHA1 hash: db11259176249176e63f44478ee9d9f55eb5a6ef
MD5 hash: 3098c5c62761b9de91830615768a3d77
humanhash: papa-beryllium-ink-fish
File name:SUPPLY CONTRACT ENQUIRY.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:103'936 bytes
First seen:2023-04-20 07:50:19 UTC
Last seen:2023-05-13 22:57:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:WS6SRmSTY94dWN2P7b1IzPrXMkN336DX2:WRSDY94du2PmfMkN3KDG
TLSH T1E2A386D3B212C9D6FA3843759D23C88915A7FDAEB8A4256DB096F7740A7B3C30412937
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 8ab2b2a69ab2829a (10 x AgentTesla, 2 x RemcosRAT, 2 x NanoCore)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
208.67.107.146:28288

Intelligence

File Origin
# of uploads :
2
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
SUPPLY CONTRACT ENQUIRY.exe
Verdict:
Malicious activity
Analysis date:
2023-04-20 07:50:50 UTC
Tags:
nanocore rat
Link:
https://app.any.run/tasks/91d4f8a0-2027-4dae-ab24-d15b99c76192

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/383650/
Detection(s):
SecuriteInfo.com.Variant.Lazy.247775.29375.31211.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6440eee75cfa4694c2d821dc/reports/9094cf7f-5479-4dae-a879-160320fe59b0/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fd455a59-a033-43cb-a5a6-2c74288df238
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1217753
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
Detected Nanocore Rat
Encrypted powershell cmdline option found
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sigma detected: NanoCore
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 850692 Sample: SUPPLY_CONTRACT_ENQUIRY.exe Startdate: 20/04/2023 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 10 other signatures 2->60 7 SUPPLY_CONTRACT_ENQUIRY.exe 16 7 2->7         started        12 Utxemnt.exe 14 4 2->12         started        14 Utxemnt.exe 3 2->14         started        process3 dnsIp4 48 208.67.107.146, 28288, 49690, 49698 GRAYSON-COLLIN-COMMUNICATIONSUS United States 7->48 42 C:\Users\user\AppData\Roaming\...\Utxemnt.exe, PE32 7->42 dropped 44 C:\Users\user\...\Utxemnt.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\...\SUPPLY_CONTRACT_ENQUIRY.exe.log, ASCII 7->46 dropped 62 Encrypted powershell cmdline option found 7->62 64 Injects a PE file into a foreign processes 7->64 16 SUPPLY_CONTRACT_ENQUIRY.exe 9 7->16         started        20 powershell.exe 16 7->20         started        50 192.168.2.1 unknown unknown 12->50 66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 22 powershell.exe 13 12->22         started        24 Utxemnt.exe 12->24         started        26 powershell.exe 14->26         started        28 Utxemnt.exe 14->28         started        30 Utxemnt.exe 14->30         started        32 Utxemnt.exe 14->32         started        file5 signatures6 process7 file8 40 C:\Users\user\AppData\Roaming\...\run.dat, OpenPGP 16->40 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->52 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 07:51:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 22 (81.82%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ok4vcoddks4imqzyjernfdlfh6fbw3cd4w6zeejrnsknzlu3q7qq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230420-jptf5sgd65/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
208.67.107.146:28288
Unpacked files
SH256 hash:
72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1
MD5 hash:
3098c5c62761b9de91830615768a3d77
SHA1 hash:
db11259176249176e63f44478ee9d9f55eb5a6ef
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/be10f44c-fcb5-431a-abb6-37639af5ad3a/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/72b951386354/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/72b951386354b88643384922d28d653f8a1b6c43e5bd9211316c94dcae9b87e1

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 (Nextron Systems)
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 (Nextron Systems)
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/383650/

Comments