MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 350ca76bab6ff9e33b91555a2c94f7ceb5d59bb0d412200fc3a94b04ac6a789e. 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 6 File information Comments

SHA256 hash: 350ca76bab6ff9e33b91555a2c94f7ceb5d59bb0d412200fc3a94b04ac6a789e
SHA3-384 hash: c719ec594bb6c8b82f17a82f9f87b6d6a0bb6b1da4714912359cb5918b8008a11c73bc3bdce98e5736a28ea4da3ed50a
SHA1 hash: ae946501f4c72457284cc94eedebe60528d297c5
MD5 hash: c78b71720eb0358b7d47ad306eb5e900
humanhash: comet-ceiling-ohio-angel
File name:c78b71720eb0358b7d47ad306eb5e900.exe
Download: download sample
Signature NanoCore
File size:1'253'888 bytes
First seen:2021-04-27 11:43:31 UTC
Last seen:2021-04-27 12:58:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:/zHJ72iCrhjX76tnEm/0Iuo5YyCvGv8JgHET2S2vo/V6:7pOjXWtEmsZ5tuEyHY2SZ/V
Threatray 1'808 similar samples on MalwareBazaar
TLSH 494512322348DF6AE07F8B7A5056541423F6E412F763D60EBEEC90DA06A6B4543B2F53
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
mustpay2211.ddns.net

Intelligence


File Origin
# of uploads :
2
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c78b71720eb0358b7d47ad306eb5e900.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 11:45:34 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
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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 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:
Threat name:
ByteCode-MSIL.Trojan.Sehyioa
Status:
Malicious
First seen:
2021-04-26 10:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
24 of 29 (82.76%)
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:
194.5.98.208:5566
mustpay2211.ddns.net:5566
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
SH256 hash:
350ca76bab6ff9e33b91555a2c94f7ceb5d59bb0d412200fc3a94b04ac6a789e
MD5 hash:
c78b71720eb0358b7d47ad306eb5e900
SHA1 hash:
ae946501f4c72457284cc94eedebe60528d297c5
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
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 350ca76bab6ff9e33b91555a2c94f7ceb5d59bb0d412200fc3a94b04ac6a789e

(this sample)

  
Delivery method
Distributed via web download

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