MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4da007eb010d6b86861eced1f00ec48423dedc7aec6b0f7942e668c16ebe82d3. 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: 12
| SHA256 hash: | 4da007eb010d6b86861eced1f00ec48423dedc7aec6b0f7942e668c16ebe82d3 |
|---|---|
| SHA3-384 hash: | e4d6301dce51d358ada8d48fb47607faf0c64607b37fa5f941a303db6a6d7ba40ca30dba3489ffb73ed4ed8b0ec0a18b |
| SHA1 hash: | 8b8f849c58baa0b439c74310986d6702e45ea118 |
| MD5 hash: | 04f4a27d282ec9ea66549f35b6ff0559 |
| humanhash: | timing-echo-oxygen-mirror |
| File name: | 04f4a27d282ec9ea66549f35b6ff0559.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 215'040 bytes |
| First seen: | 2021-06-08 22:13:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI/HAeptZlcVzYSU+bE12N93Kv:gLV6Bta6dtJmakIM5/ep3lSzV57fK |
| Threatray | 5'182 similar samples on MalwareBazaar |
| TLSH | 9B24CF193BA9862FE2DE86B8701212538379C2E399C3F3DF18D455B68B267E506071E7 |
| 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 |
|---|---|
| 79.134.225.92:44322 | https://threatfox.abuse.ch/ioc/72398/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
DNS request
Using the Windows Management Instrumentation requests
Creating a file
Replacing executable files
Creating a process from a recently created file
Replacing files
Sending a TCP request to an infection source
Moving of the original file
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
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)
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:
2021-06-07 16:04:47 UTC
AV detection:
45 of 46 (97.83%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nanocorerat
formbook
Similar samples:
+ 5'172 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:nanocore family:xloader evasion keylogger loader rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks whether UAC is enabled
Executes dropped EXE
Xloader Payload
NanoCore
Xloader
Malware Config
C2 Extraction:
sawitupnew.expackplc.club:44322
http://www.bknmarket.com/c7jh/
http://www.bknmarket.com/c7jh/
Unpacked files
SH256 hash:
4da007eb010d6b86861eced1f00ec48423dedc7aec6b0f7942e668c16ebe82d3
MD5 hash:
04f4a27d282ec9ea66549f35b6ff0559
SHA1 hash:
8b8f849c58baa0b439c74310986d6702e45ea118
Detections:
win_nanocore_w0
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: | 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.
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