MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5. 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: 12
| SHA256 hash: | 5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5 |
|---|---|
| SHA3-384 hash: | c13ca71ae8c819e8c07a23a7efc6e9c69fd95fda90519ddc37709fa63087e1c9872756573f25d40feaa52669fe300004 |
| SHA1 hash: | 0e9a234b1e399e108ee1275d8236afde249e8ec4 |
| MD5 hash: | a1bbe3a7c5eb9e58f5f9c26a6823f7fd |
| humanhash: | batman-hawaii-thirteen-social |
| File name: | Proof of payment.pdf.scr |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'154'065 bytes |
| First seen: | 2021-05-26 19:20:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat) |
| ssdeep | 24576:1AOcZu3wPGNSjo5chNPr3FmgVvyIF0MlGaG335F4c+E6H9:/NXNSYcHPDF1kIZlGaGZF4/X9 |
| Threatray | 2'491 similar samples on MalwareBazaar |
| TLSH | ED35E142F3A048F2E437023A4877EB312A77B9245B76860F37A5252C6D733816676F97 |
| Reporter |  GovCERT_CH |
| Tags: | NanoCore |
Intelligence
File Origin
# of uploads :
1
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proof of payment.pdf.scr
Verdict:
Malicious activity
Analysis date:
2021-05-26 19:24:30 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Sending a UDP request
Adding an access-denied ACE
Launching a process
Creating a file in the %AppData% subdirectories
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Drops PE files with a suspicious file extension
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-26 19:21:06 UTC
AV detection:
24 of 47 (51.06%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'481 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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
hanku.giize.com:6051
harold.2waky.com:6051
harold.2waky.com:6051
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: | 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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
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