MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5bed872bd89337533c33e461360e2945a5d987bf3fd11f75487c1a6c5d0cb665. 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: 10
| SHA256 hash: | 5bed872bd89337533c33e461360e2945a5d987bf3fd11f75487c1a6c5d0cb665 |
|---|---|
| SHA3-384 hash: | 665ae865db7e66eebcfdf69e20f9b6a31890c321ee50e3b74aa9a5bcf5893bc7cbf9bd63744a2628a3a8ebab34e0b47c |
| SHA1 hash: | 115fcf872acd15e47dd98770cc907eddfb5a9d97 |
| MD5 hash: | 3d55880485ae388a55d73ea344ae277d |
| humanhash: | double-thirteen-saturn-saturn |
| File name: | 3D55880485AE388A55D73EA344AE277D.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 349'993 bytes |
| First seen: | 2021-04-29 06:56:10 UTC |
| Last seen: | 2021-04-29 10:29:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki) |
| ssdeep | 6144:jPXjEMxzCqElbXVPyPrOwpGgwrMqB6n9lMs3A5Cs0BpW+vG2+nnfZbihfDV:HNtKlbZyPrObgqMVBzWKGznnNIV |
| Threatray | 2'480 similar samples on MalwareBazaar |
| TLSH | 997412123554C277D7978C7009F41E6AB6EB052464C5660F2BCC7B2E36EECFE6A1E680 |
| 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 |
|---|---|
| 194.5.97.75:6700 | https://threatfox.abuse.ch/ioc/22245/ |
Intelligence
File Origin
# of uploads :
3
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
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:
Win32.Trojan.Predator
Status:
Malicious
First seen:
2021-04-27 07:29:00 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'470 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
newjan.duckdns.org:6700
Unpacked files
SH256 hash:
72f51c39aa1580023863c7baea426b8a320f2078085d35b3e910969f1871733a
MD5 hash:
a2c5ae7f26b26654c2ac809b9cf15ad5
SHA1 hash:
391e71196272058b94c2ee37d322d16f6de41ac0
SH256 hash:
5bed872bd89337533c33e461360e2945a5d987bf3fd11f75487c1a6c5d0cb665
MD5 hash:
3d55880485ae388a55d73ea344ae277d
SHA1 hash:
115fcf872acd15e47dd98770cc907eddfb5a9d97
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: | 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.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread