MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1d821294065f7fe053eb3fc53e43824de1c13eddf0b6e6bd29ac9bf41843c7d. 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: | b1d821294065f7fe053eb3fc53e43824de1c13eddf0b6e6bd29ac9bf41843c7d |
|---|---|
| SHA3-384 hash: | 1f14f8c30f11b4c1664d80909fff138a56b881a31a55de3ef169f130290a11e2f0b4e2ac6fe553c6f23fd0138ce8b6c7 |
| SHA1 hash: | 62fc3f832a6337d6c18ee752b924b76d4bec945c |
| MD5 hash: | 088f660a27108e885823cdccf3da79b4 |
| humanhash: | fourteen-three-victor-robert |
| File name: | 23UiVGhe.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 222'208 bytes |
| First seen: | 2020-11-06 17:17:21 UTC |
| Last seen: | 2020-11-06 17:32:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'240 x SnakeKeylogger) |
| ssdeep | 6144:gLV6Bta6dtJmakIM5t6fA+eXcTTacsRy3Cj+3:gLV6BtpmkkuA+eXsaDCUI |
| Threatray | 1'226 similar samples on MalwareBazaar |
| TLSH | EF24AE1D27A7C52EEA8E5579A013832283B9C3D26BD3E3DA38D424775B752E0E9071D3 |
| Reporter |  pmelson |
| Tags: | exe NanoCore |
Intelligence
File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
DNS request
Connection attempt
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.
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-11-06 20:17:45 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'216 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 use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Control Panel
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Checks whether UAC is enabled
Enumerates connected drives
Checks computer location settings
NanoCore
Malware Config
C2 Extraction:
saphi.ddns.net:7005
127.0.0.1:7005
127.0.0.1:7005
Unpacked files
SH256 hash:
b1d821294065f7fe053eb3fc53e43824de1c13eddf0b6e6bd29ac9bf41843c7d
MD5 hash:
088f660a27108e885823cdccf3da79b4
SHA1 hash:
62fc3f832a6337d6c18ee752b924b76d4bec945c
Detections:
win_nanocore_w0
Please note that we are no longer able to provide a coverage score for Virus Total.
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_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.
Web download
Delivery method
Distributed via web download
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