MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d86b5f7fffdf4b871b5487b02de0366b3edbd96a75f86a0f57a602796a8136da. 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: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d86b5f7fffdf4b871b5487b02de0366b3edbd96a75f86a0f57a602796a8136da
SHA3-384 hash: 06cf983bc017e90c0696109b9281f15383dd59f15383f92114017da3f63fc781b78df556159ee08e80d664ddcb4409ea
SHA1 hash: 8d660217806bc4affd5c4b431ea4817be52015e9
MD5 hash: e5aa2cddaf62776e27d3c9750c729335
humanhash: magazine-uranus-sad-mississippi
File name:BYCZHPNTJponJNg.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:404'992 bytes
First seen:2020-06-29 06:49:29 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 12288:pIuUkBU0WKvpMARGpqDo9P99pMisXMzpdKi:mKvfcqDedsX+j
Threatray 1'194 similar samples on MalwareBazaar
TLSH 0684DF2173F58706E5BE0BF944A0115403B67562A933E3AD8EC6B4DA1EB27C14F1BB1B
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: p3plwbeout11-02.prod.phx3.secureserver.net
Sending IP: 173.201.192.36
From: <bryan@thebaseballwarehouse.com>
Subject: NEFT Completed
Attachment: BYCZHPNTJponJNg.iso (contains "BYCZHPNTJponJNg.exe")

NanoCore RAT C2:
u870797.nvpn.to:3119 (185.244.29.158)

Pointing to nVpn:

% Information related to '185.244.29.0 - 185.244.29.255'

% Abuse contact for '185.244.29.0 - 185.244.29.255' is 'abuse@gerber-edv.net'

inetnum: 185.244.29.0 - 185.244.29.255
netname: GERBER-NETWORK
descr: Wonsan, Kangwon-do
descr: Choson Minjujuui Inmin Konghwaguk
country: KP
admin-c: GN5022-RIPE
tech-c: GN5022-RIPE
org: ORG-GN148-RIPE
status: SUB-ALLOCATED PA
mnt-by: GERBER-MNT
created: 2018-01-31T19:41:57Z
last-modified: 2020-04-06T22:16:40Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15431/
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ENGK.190.UNOFFICIAL
Create hunting rule

Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d86b5f7fffdf4b871b5487b02de0366b3edbd96a75f86a0f57a602796a8136da/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-29 06:51:04 UTC
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bvv677735fyog2uq6yc3ybwnm7nxwlkox4gud2xuybhs2ubg3na._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
0a106a923ee9a6a55513751399bae618ec9f0a11dce7d2a82c73eba8583f2b92
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28c522239124483bcc83ca08cd0cbb3af1a9a3e18a1d8648e958c153c8e9e110
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41cbf7774ff46fef0f9ff796d62f44e51a64fc22020b89c04e440e5f29d44467
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61eec258ce469350a9fa37b1894742649cf28ae18c38e783bd1cd6ba1623611c
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83050c83ab71af263003fba66c14fd917289e0690a7c645a831a7626cd9f1061
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953cb68c8860e2ed1d79f3eb57820c7a04e30d9f0f7d5db7364b2369449fdd27
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9c12a04f209f22ef328eb9aba2fddacb27011152eb0cb8eff4ccdf6a4fc394c4
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bffcfa5a0174337b9a565e7880819ec3388eed4dd15a6076e4f99be4ec5d5f19
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e56366d78017d877b4413031f23021dce6f39cd2207bd4324967df5aaab3c4c0
NanoCore
+ 1'184 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Link:
https://tria.ge/reports/200629-p9hyhh4f2j/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
u870797.nvpn.to:3119
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.

Malspam

NanoCore

iso ed6dcb67fbca80d8bcd1fa752b60cbf13023e2f9a86378115e273fe8cc3c029d

NanoCore

Executable exe d86b5f7fffdf4b871b5487b02de0366b3edbd96a75f86a0f57a602796a8136da

(this sample)

  
Dropped by
MD5 265d9212b44134e7888d09efe7485339
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ed6dcb67fbca80d8bcd1fa752b60cbf13023e2f9a86378115e273fe8cc3c029d
Cape
Cape
https://www.capesandbox.com/analysis/15431/

Comments