MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b68c297a7780902c0b67ee593d52271a0e5c14370f15718b6d816030bcf20e88. 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
| SHA256 hash: | b68c297a7780902c0b67ee593d52271a0e5c14370f15718b6d816030bcf20e88 |
|---|---|
| SHA3-384 hash: | fd13d0a646d0a7dc18752d4776dfb00b9867213c8580dd95f48b4742302a70d78c9cfc0dee2a94859cc71cfc70b86dcb |
| SHA1 hash: | 6006c7f1e4f4e1c6c4f346707ebb3eded444e1e9 |
| MD5 hash: | ef4980e4520551d402c1723432a424ea |
| humanhash: | carpet-michigan-monkey-lactose |
| File name: | file |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 356'864 bytes |
| First seen: | 2023-06-20 19:09:40 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 6144:Iav/Vr+D/yp5TiciHhkzz9neBf6z4WnBohpnhWLFPZLXtZXkp+:/Vr+DMTiciiF2a6phWdzZXkp+ |
| Threatray | 1'617 similar samples on MalwareBazaar |
| TLSH | T15574E089329172CFC81BCC7AC9D61C64A7A2726B072BC247749316DC8E4D6DBDF542E2 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  jstrosch |
| Tags: | .NET exe MSIL NanoCore X64 |
Intelligence
File Origin
# of uploads :
1
# of downloads :
386
Origin country :
USVendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-20 19:11:11 UTC
Tags:
nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
confuserex packed packed remcos
Verdict:
Malicious
Labled as:
Trojan.Generic
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
Verdict:
Malicious
Result
Threat name:
Nanocore, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Trojan.Nekark
Status:
Malicious
First seen:
2023-06-16 13:00:30 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
4
AV detection:
21 of 37 (56.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'607 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Unexpected DNS network traffic destination
NanoCore
Malware Config
C2 Extraction:
yesican.ddns.net:57498
127.0.0.1:57498
127.0.0.1:57498
Unpacked files
SH256 hash:
b68c297a7780902c0b67ee593d52271a0e5c14370f15718b6d816030bcf20e88
MD5 hash:
ef4980e4520551d402c1723432a424ea
SHA1 hash:
6006c7f1e4f4e1c6c4f346707ebb3eded444e1e9
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | INDICATOR_EXE_Packed_ConfuserEx |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with ConfuserEx Mod |
| Rule name: | malware_Nanocore_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_NanoCore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NanoCore |
| Rule name: | MALWARE_Win_zgRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects zgRAT |
| Rule name: | nanocore_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | Nanocore_RAT_Feb18_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Feb18_1_RID2DF1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| 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 |
|---|---|
| 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: | Windows_Trojan_Nanocore_d8c4e3c5 |
|---|---|
| Author: | Elastic Security |
| 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
Delivery method
Distributed via web download
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