MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b9e5401ca19ff3f45d8c3acce6a793f7cb713bc6920d9c5371197ad6a3b582. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91b9e5401ca19ff3f45d8c3acce6a793f7cb713bc6920d9c5371197ad6a3b582
SHA3-384 hash: ef6c891dd66102885b93b843eda211fa024c2bf4b81257771f00d0faf06e9e1eb2da252c48778995b103f640b17c2e79
SHA1 hash: 11c3c0a314b76eb980f69c5db4807cc147e3a1d6
MD5 hash: 5518020384ceb599dd993c388c21acf3
humanhash: helium-alabama-princess-alaska
File name:App.bin
Download: download sample
Signature NanoCore
Create hunting rule
File size:573'440 bytes
First seen:2020-07-13 12:32:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:WLV6BtpmkzfS2PRoQZBGEW7RmmBEJn7NCYgI0JrnSx:EApfbJzQmRZRCYgI0W
Threatray 1'101 similar samples on MalwareBazaar
TLSH FFC412516BA8482EE6EE877971260112C73CC6E398D3F3EF28D958B64F117D94A071E3
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25319/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
Delayed writing of the file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with Startup directory
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/91b9e5401ca19ff3f45d8c3acce6a793f7cb713bc6920d9c5371197ad6a3b582/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 12:32:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 28 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=sg46kqa4ugp7h5c5rq5mzzvhsp34w4j3y2ja3hctoemxvvvdwwba._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
38814f6587d098be00d461dae2dfeb01b50e2a697d86bfc02e334024133bfed8
NanoCore
49ad0ed3bf58f6bec614955067d2a6ae9a19825412ed6f6e851973d5d809293f
NanoCore
662f115f07c983b7c060eb8a98b4dfa8951df8f3149e71523d2de7ee97d9139e
NanoCore
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
8bb9b00853b7ad74a9e4c41b8974ab369d16e6289c9e9e933be5fe56539af2b1
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9ca497f6231180ec374837cf77e099a25e8c5cffa16c6599739c92ee03a94d34
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
+ 1'091 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200713-yhf5xyq8v6/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
harry7potter7.ddns.net:1604
harrypotter2.ddns.net:1604
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.

Cape
Cape
https://www.capesandbox.com/analysis/25319/

Comments