MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5994f4b5a1526faf78f1bd2b2524b602fe3c3fcf171efc84fa5cdb9cdc210fe9. 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: 9
| SHA256 hash: | 5994f4b5a1526faf78f1bd2b2524b602fe3c3fcf171efc84fa5cdb9cdc210fe9 |
|---|---|
| SHA3-384 hash: | 84c4c7b6f1808502288e233f7aba231129a7646798bd9f5a4db728591b75656635c7dfa111c695148df052def56afe3e |
| SHA1 hash: | 8d4a47fc318b4732b48a25ec01c765b2e492de82 |
| MD5 hash: | a61875937be1749901352dcd93fc9863 |
| humanhash: | salami-oxygen-fifteen-wyoming |
| File name: | a61875937be1749901352dcd93fc9863.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'169'408 bytes |
| First seen: | 2021-04-27 08:03:04 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:yWRY4P8U6oH2C7UgszTf8loWO5/l8NHqqGArO8gSR7B:FRVUUj7IsF+yUAESR7B |
| Threatray | 1'787 similar samples on MalwareBazaar |
| TLSH | 4B45223D0740BF17C57D207C845223480AF2D895563BF30F3D98A5ED56EAF58AB628AE |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nd.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 02:59:34 UTC
Tags:
rat nanocore trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
Result
Verdict:
Malware
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
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
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 AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-04-27 01:07:33 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 1'777 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:
79.134.225.26:1133
nassiru1166main.ddns.net:1133
nassiru1166main.ddns.net:1133
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
SH256 hash:
5994f4b5a1526faf78f1bd2b2524b602fe3c3fcf171efc84fa5cdb9cdc210fe9
MD5 hash:
a61875937be1749901352dcd93fc9863
SHA1 hash:
8d4a47fc318b4732b48a25ec01c765b2e492de82
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: | 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.
Web download
Delivery method
Distributed via web download
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