MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c5d68d3abd9d6f9b094ea1bdb064ca709cc54de13f86856c4ffe34c64148c87c. 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: 15
| SHA256 hash: | c5d68d3abd9d6f9b094ea1bdb064ca709cc54de13f86856c4ffe34c64148c87c |
|---|---|
| SHA3-384 hash: | cf2db3686cf9cc47da90aca6875cd65dec0c42be0b2ea60a4e9807724f20d0a541df51e331e4d3fb588e0cc51278f9b6 |
| SHA1 hash: | 3877473e9e9014bc8eee7782dc81345772e832f9 |
| MD5 hash: | 03efbc1aa782599e235f4c1b0303ffb1 |
| humanhash: | kentucky-double-orange-zebra |
| File name: | 03efbc1aa782599e235f4c1b0303ffb1.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 207'360 bytes |
| First seen: | 2022-01-26 08:41:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:gLV6Bta6dtJmakIM5D6xUtdHfBTQxVqtjreE:gLV6Btpmkxkd/FcVqx9 |
| Threatray | 5'002 similar samples on MalwareBazaar |
| TLSH | T15014BE5637B8492FE2DE86B9711241469379C2E39CC3F3DE28D850B79B267E1460B1E3 |
| 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 |
|---|---|
| 107.173.60.45:54955 | https://threatfox.abuse.ch/ioc/338453/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03efbc1aa782599e235f4c1b0303ffb1.exe
Verdict:
Malicious activity
Analysis date:
2022-01-26 08:45:44 UTC
Tags:
trojan nanocore rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe greyware nancrat nanocore obfuscated packed rat remote.exe replace.exe schtasks.exe
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.
Malware family:
NanoCoreRAT
Verdict:
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 URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Detection:
nanocore
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-01-23 12:36:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
42 of 43 (97.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
Similar samples:
+ 4'992 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 use of AdjustPrivilegeToken
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
107.173.60.45:54955
sys2021.linkpc.net:54955
sys2021.linkpc.net:54955
Unpacked files
SH256 hash:
c5d68d3abd9d6f9b094ea1bdb064ca709cc54de13f86856c4ffe34c64148c87c
MD5 hash:
03efbc1aa782599e235f4c1b0303ffb1
SHA1 hash:
3877473e9e9014bc8eee7782dc81345772e832f9
Detections:
win_nanocore_w0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
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: | MALWARE_Win_NanoCore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NanoCore |
| 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_Feb18_1_RID2DF1 |
|---|---|
| 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: | Nanocore_RAT_Gen_2_RID2D96 |
|---|---|
| Author: | Florian Roth |
| Description: | Detetcs the Nanocore RAT |
| Reference: | https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/ |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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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