MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a8ff9992c9b8eff93fc5296c61ceaeeae990c6b7edb73c024b1b1f9c90dd596. 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: 5


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

SHA256 hash: 4a8ff9992c9b8eff93fc5296c61ceaeeae990c6b7edb73c024b1b1f9c90dd596
SHA3-384 hash: 975f0127054ad787eff9875af5ff4712d0403e6e240771123620764cd326713b017e584f6cd82aae00561494525ca2ae
SHA1 hash: 845a865698afb2bb6153fcaa03b6a7f30d00a0b1
MD5 hash: 0dbdbe05ccffbd04a09fe2a76b9d35a4
humanhash: india-lake-fish-harry
File name:4a8ff9992c9b8eff93fc5296c61ceaeeae990c6b7edb73c024b1b1f9c90dd596
Download: download sample
Signature NanoCore
Create hunting rule
File size:207'876 bytes
First seen:2020-06-10 11:31:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HITvC/Ma/FfqL4m1FYeRBtm23jc:MLV6Bta6dtJmakIM5b/BFCh1FjM23jc
Threatray 1'197 similar samples on MalwareBazaar
TLSH 2714CF167BA9492FE29E867D611202138379C2E3D8C3F3EF28D464B74B667E50A071D7
Reporter JAMESWT_WT
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-03-22 03:44:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 31 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkh7tgjmtohp7e74kklmmhhk52xjsddlp3nxhqbewgy7tsin2wla._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
15d88e59e80b15ed7b24ffd1a496ff718b76a6a7d06cc2be0d1f91e460871c12
NanoCore
49ad0ed3bf58f6bec614955067d2a6ae9a19825412ed6f6e851973d5d809293f
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
7cdf1294eb40f2a207f55cbb1a68761135500f64bb077a7f4ba9a7d3098850f1
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
NanoCore
c4f0b3610d084b670fbcd8d5405153b208907ac348a190df4cfa41b1dc4f029c
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d11f8cd2987a718cc9d0bd9de289ee8d90555115cb9d03fdc8f0b930898e4a75
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
e41e433626e9dbf6c3a56c29c9dc60adfa53f71cd1c3bc10d682a1b2239c576d
NanoCore
+ 1'187 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-9n8hpn28xj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
:54984
127.0.0.1:54984
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.

Comments