MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 391d8a8c9229c3adfb47e84a0ad37d62e1d27593a91f73381d609bcb0a99ae9f. 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: | 391d8a8c9229c3adfb47e84a0ad37d62e1d27593a91f73381d609bcb0a99ae9f |
|---|---|
| SHA3-384 hash: | 3c0d9863f87676eb7b1859db366b47551cd2a39addec26c17a007f999c08eca5be04377a16f92cc0d1f57e1243c407de |
| SHA1 hash: | 909c2e0cd1b86292b4aa33320a54894cc48c1947 |
| MD5 hash: | f855ae4d03888ddf904118eac4d0bed2 |
| humanhash: | winter-table-cola-mobile |
| File name: | f855ae4d03888ddf904118eac4d0bed2.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 207'360 bytes |
| First seen: | 2022-08-23 11:35:42 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 3072:QzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI156d6+Il1c3rxbivlpfiIx:QLV6Bta6dtJmakIM5MXT6rxmuc |
| Threatray | 4'499 similar samples on MalwareBazaar |
| TLSH | T10C14C02A77A94A2FE2DE8679711212139378C2E39CD3F3EE18D415B68F667E406070D3 |
| 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 |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 104.144.69.144:707 | https://threatfox.abuse.ch/ioc/844890/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
f855ae4d03888ddf904118eac4d0bed2.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 11:36:17 UTC
Tags:
nanocore trojan rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Searching for synchronization primitives
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
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
greyware nanocore obfuscated packed rat schtasks.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-08-23 11:41:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
njrat
Similar samples:
+ 4'489 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
katiebrady616.ddns.net:707
Unpacked files
SH256 hash:
391d8a8c9229c3adfb47e84a0ad37d62e1d27593a91f73381d609bcb0a99ae9f
MD5 hash:
f855ae4d03888ddf904118eac4d0bed2
SHA1 hash:
909c2e0cd1b86292b4aa33320a54894cc48c1947
Detections:
win_nanocore_w0
Malware family:
NanoCore
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
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: | 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: | 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_Feb18_1_RID2DF1 |
|---|---|
| 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: | 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: | 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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