MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 39624b2756f8c0af566345772bda9465f6c32a144125eaea52aba79504eb0997. 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: | 39624b2756f8c0af566345772bda9465f6c32a144125eaea52aba79504eb0997 |
|---|---|
| SHA3-384 hash: | ac3de8f8d1c238cef85c1cb60f70f08fccd58ae18ee89d65de64106a705f12d83d4c26c5328b6868dd1b79cc027972aa |
| SHA1 hash: | 448f64f919190c9e82d89e43b1494d584cf55abc |
| MD5 hash: | 7a6cd410f06cfbd01c40deebd0ee776c |
| humanhash: | winner-april-kansas-robert |
| File name: | 7a6cd410f06cfbd01c40deebd0ee776c.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 925'696 bytes |
| First seen: | 2021-03-01 13:03:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:qDGkMXLsDLNwwcaAUJRNuOn6YkQf4TCsFe1ph0:lixwwT5jwlq49w |
| Threatray | 1'613 similar samples on MalwareBazaar |
| TLSH | D2158C2126599BA9E07EF3385010D23097F5AD4393C3D7A8BCDC3C9BBEF8A425293565 |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7a6cd410f06cfbd01c40deebd0ee776c.exe
Verdict:
No threats detected
Analysis date:
2021-03-01 16:24:18 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
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
.NET source code contains very large strings
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Detected Nanocore Rat
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-03-01 13:04:07 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'603 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
shakur2021.duckdns.org:3550
shakur.ddns.net:3550
shakur.ddns.net:3550
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
SH256 hash:
39624b2756f8c0af566345772bda9465f6c32a144125eaea52aba79504eb0997
MD5 hash:
7a6cd410f06cfbd01c40deebd0ee776c
SHA1 hash:
448f64f919190c9e82d89e43b1494d584cf55abc
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: | adonunix |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | AD on UNIX |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| 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: | 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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