MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35d38e9cfd87be3c230b43c5f9e0173ea78d737e4367e97cffe8604241f82788. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: 35d38e9cfd87be3c230b43c5f9e0173ea78d737e4367e97cffe8604241f82788
SHA3-384 hash: d4c8653d4c000a47d8de7bdcc075ad8b3fa75d4e446e8ed175723855b25da7a2a17e2351ebf6a5fce0e93a483515676b
SHA1 hash: 13766eb8cc96f3ee9d6f6326af9102e8d4fe1ace
MD5 hash: 80d3a34e1804173dcd6612578b345fd4
humanhash: aspen-north-music-cat
File name:80d3a34e1804173dcd6612578b345fd4.exe
Download: download sample
Signature NanoCore
File size:1'319'936 bytes
First seen:2021-04-29 15:06:22 UTC
Last seen:2021-04-29 19:05:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:PoOP58jABbjHjgHKR9HZoSZ4S7yJB/4i3+dewt7Z9ZLGWMLD:AvjGjgHKnZoSZIJBAiudeY9sW
Threatray 1'831 similar samples on MalwareBazaar
TLSH 1355122733949A55E17E57F619B0804013F8FD452A32D34DBDA4226D0FB7BE2CA2B792
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
nassiru1166main.ddns.net

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://172.245.45.28/dashboard/docs/images/kn.exe
Verdict:
Malicious activity
Analysis date:
2021-04-29 15:25:49 UTC
Tags:
rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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
Malicious sample detected (through community Yara rule)
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:
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-04-29 14:56:53 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
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
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
SH256 hash:
35d38e9cfd87be3c230b43c5f9e0173ea78d737e4367e97cffe8604241f82788
MD5 hash:
80d3a34e1804173dcd6612578b345fd4
SHA1 hash:
13766eb8cc96f3ee9d6f6326af9102e8d4fe1ace
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

NanoCore

Executable exe 35d38e9cfd87be3c230b43c5f9e0173ea78d737e4367e97cffe8604241f82788

(this sample)

  
Delivery method
Distributed via web download

Comments