MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4de20c38ffff3f9d75d9a446f152c017d9010477c28c8b97875f95f448ecb761. 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: 4


Intelligence 4 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4de20c38ffff3f9d75d9a446f152c017d9010477c28c8b97875f95f448ecb761
SHA3-384 hash: 719fc9e1d2bd70750a6253bf5e0da912b27c2f046c32c71e49fea3cbc6bcb4b53c417976415b680b11bd91c1eb699f7c
SHA1 hash: cdfe1973226b79afe85dcde9484c39aeccc59740
MD5 hash: a95bf7369aa11814f2f41686c8a4e9b8
humanhash: echo-edward-wolfram-snake
File name:SecuriteInfo.com.Trojan.PackedNET.276.6781.4097
Download: download sample
Signature NanoCore
Create hunting rule
File size:249'344 bytes
First seen:2020-04-25 06:40:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:pL4gqA04cFK0npBSG7A29Cu78xRYLU3AYwqg+R:pLb303s2fSGE07KAYw0
Threatray 1'256 similar samples on MalwareBazaar
TLSH D1340215B7CC9A62CCAE85BE48F114506238DC27A793F34F3EA8B821F9727C61D5205B
Reporter SecuriteInfoCom
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.6781.4097.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-02-26 12:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 30 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxrayoh7747z25ozurdpcuwac7mqcbdxykgixf4hl6k7ishmw5qq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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NanoCore
+ 1'246 additional samples on MalwareBazaar
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
Create hunting rule
Author:abuse.ch
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
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
Create hunting rule
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 4de20c38ffff3f9d75d9a446f152c017d9010477c28c8b97875f95f448ecb761

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/350971/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments