MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454. 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: 8
| SHA256 hash: | 305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454 |
|---|---|
| SHA3-384 hash: | 74ef0f5821a2d9297e7b6d02f29cf4b557b9e2616ba608d2909b0821745eeb0f0a80d105a08c5ae65112da35d192b9da |
| SHA1 hash: | 3dfadc072e55af6a96a252c2e90b8338f70fd570 |
| MD5 hash: | 927df1358f7343fe0e62f09edbd2a44a |
| humanhash: | princess-kitten-maine-saturn |
| File name: | Orden de compra 65843,pdf.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 34'304 bytes |
| First seen: | 2021-05-06 14:51:25 UTC |
| Last seen: | 2021-05-06 16:02:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger) |
| ssdeep | 192:VnCrY8q+BcZz29NIkYAygsHw7P+zwTZOjAGZM:VnCk/OcZzkNIkCLW+zwTZOjAG |
| Threatray | 1'878 similar samples on MalwareBazaar |
| TLSH | 8FF2C658BF898277CC6D8F7821A14251073BFAB7A8739A1FB9AC0409DF972875D13750 |
| 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 |
|---|---|
| 79.134.225.7:6596 | https://threatfox.abuse.ch/ioc/30414/ |
Intelligence
File Origin
# of uploads :
3
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
DNS request
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
DLL reload attack detected
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 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
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Suspicious
First seen:
2021-05-06 14:52:09 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'868 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
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Downloads MZ/PE file
NanoCore
Malware Config
C2 Extraction:
:6596
copieronlineph209.ddns.net:6596
copieronlineph209.ddns.net:6596
Unpacked files
SH256 hash:
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
MD5 hash:
927df1358f7343fe0e62f09edbd2a44a
SHA1 hash:
3dfadc072e55af6a96a252c2e90b8338f70fd570
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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: | dsc |
|---|---|
| Author: | Aaron DeVera |
| Description: | Discord domains |
| 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.
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