MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f
SHA3-384 hash: c35e26295c5d0eee75573a38d6b00d2c064d3d05cb1504e4dc51aa34f14e200580d7053fa362414b247018836a766a5c
SHA1 hash: 9c379673d4d702d4f1bdd3b569a5e02199dc7498
MD5 hash: 5c685cf371d64b7e79967a04407fc216
humanhash: enemy-steak-venus-freddie
File name:5c685cf371d64b7e79967a04407fc216.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:544'286 bytes
First seen:2021-02-01 09:43:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 12288:sB1jm7yafkKgyZyGMMPIVJbTcjqVVj/rGpI5vyEirmmH:sB1jLafkKbTMK4bTcjCjzt6EiF
Threatray 1'550 similar samples on MalwareBazaar
TLSH E0C4238875D0ACBFDD621270947A1B6FDBDA6146A0401F1707853FBABD93203AE6F1B1
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
185.140.53.183:83

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-11-06T23:02:44Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO 195.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-01 07:47:15 UTC
Tags:
encrypted exploit CVE-2017-11882 loader buerloader rat nanocore trojan
Link:
https://app.any.run/tasks/908828f6-1a0b-4152-9180-3602672e1252

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/114449/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Sending a UDP request
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/595167
Signature
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nehjchnedhb2uemfbtfjrezuxgbx6elbperohx7rodrazxqcoohq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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1c55b3c97920d56dddbc38e6ba3c5dcbc7f3072792915b51e146b3dd92b3f392
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5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
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984c95ea87e7b059a566bc304bd8bd9cdfc041c3fa03e66c70e16765c22676b2
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d64a4482514be4bb53344b4712d850bb5ad28bd589a5cf3f4d2d966d2ea9ef65
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ddaaa650d42caaed5ddd7c307b986cdccfc25bcb84c7a4f29f9fddd26add4135
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e4fc20492ed4f4750766382f6578d84f38bf680646eb6b5193c5733925941f67
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ea6b74e2f0364ce1b058b8f5d7c078c3f47cb61a546976a5d56e0378c029892c
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fe437d43f7133fadd1f6737840d626ba30d61eb8e983072b16175dccd7f011c1
NanoCore
+ 1'540 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210201-wv3q1r6ndx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Unpacked files
SH256 hash:
2db8c7fae97a536f9f0abab853fccff4de1b43c43e3f1a5f5507314b3a5081b4
MD5 hash:
0f204bfb98381c1147632b1ed8233cde
SHA1 hash:
af1c7b72b1266aed12fd7c9e0287a0ea7f9aee40
Detections:
win_buer_auto
Create hunting rule
Link:
https://www.unpac.me/results/f383aeee-769a-49f5-a7d3-eac121b759ec/
SH256 hash:
690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f
MD5 hash:
5c685cf371d64b7e79967a04407fc216
SHA1 hash:
9c379673d4d702d4f1bdd3b569a5e02199dc7498
Link:
https://www.unpac.me/results/f383aeee-769a-49f5-a7d3-eac121b759ec/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f

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
Create hunting rule
Author:jeFF0Falltrades
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 690e911da419c3aa11850cca989334b9837f11617922e3dff170e20cde02738f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/986078/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/114449/

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