MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 89a173beec574576632b98017aee8549e88ec2673fd5c3028a74f5ba2d9613b0. 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: | 89a173beec574576632b98017aee8549e88ec2673fd5c3028a74f5ba2d9613b0 |
|---|---|
| SHA3-384 hash: | d914bf5dfa0b73aef417c0a061dd665ecf8ee5660c73c1c6a2866d34f38fcf17d81c62fca9aa37ee78753ff9761b6a72 |
| SHA1 hash: | e593b6118bb9bff9a9547e16217a1ed79c54b4be |
| MD5 hash: | 9552f91e6a2fc03039843df0dd901a45 |
| humanhash: | july-michigan-uranus-oven |
| File name: | NA090900000.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 381'384 bytes |
| First seen: | 2021-04-21 06:15:14 UTC |
| Last seen: | 2021-04-23 16:10:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki) |
| ssdeep | 6144:2YYvQ1Lq1xb5KvHCVU3KFVCc9+PmMH2pK0mYm2Sqqd6XJ77IkXyWHScwkBH6/DcW:uIcToiVnF3MWI0dtJJycwkBH6go0fn12 |
| Threatray | 2'264 similar samples on MalwareBazaar |
| TLSH | 2B842357A3A8DBF7D12A353325B1C21C1DFF402015A85BA71FA42B76BD20119F82E9E3 |
| Reporter |  cocaman |
| Tags: | exe NanoCore |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 185.222.57.171:4445 | https://threatfox.abuse.ch/ioc/9345/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NA090900000.exe
Verdict:
Malicious activity
Analysis date:
2021-04-21 06:38:39 UTC
Tags:
rat nanocore
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Detection(s):
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
Creating a file in the Program Files subdirectories
Launching a process
Deleting a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Threat name:
Win32.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-04-21 04:28:59 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 2'254 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
185.222.57.171:4445
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.57
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.
Malspam
Delivery method
Other
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) [C0045] File System Micro-objective::Copy File
5) [C0046] File System Micro-objective::Create Directory
6) [C0048] File System Micro-objective::Delete Directory
7) [C0047] File System Micro-objective::Delete File
8) [C0049] File System Micro-objective::Get File Attributes
9) [C0051] File System Micro-objective::Read File
10) [C0050] File System Micro-objective::Set File Attributes
11) [C0052] File System Micro-objective::Writes File
12) [E1510] Impact::Clipboard Modification
13) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
14) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
15) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
16) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
17) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
18) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
19) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
20) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
21) [C0017] Process Micro-objective::Create Process
22) [C0038] Process Micro-objective::Create Thread
23) [C0018] Process Micro-objective::Terminate Process