MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 667766b63d76d01fb9e9dbbf7b0fb7e74b5b2eb46411c6aee11e56347d1742ea. 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: 13


Intelligence 13 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 667766b63d76d01fb9e9dbbf7b0fb7e74b5b2eb46411c6aee11e56347d1742ea
SHA3-384 hash: bae512dfc2267b247a3bdfe8cfeadb7add3c3bceb8ae6f1ed99ad6602ee8e9f6f4889f4a518a2723adcfc09cf18d1602
SHA1 hash: e583fbaf8d7759b2bf11d7d39bc9ae42c70187ef
MD5 hash: 87bbd2771b899230125379caf2c7f037
humanhash: finch-bacon-nebraska-hotel
File name:Delivery status - Failed.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:220'926 bytes
First seen:2021-08-24 01:16:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 76cb49957629b5fe0d40d13588a8762e (4 x Loki, 3 x Formbook, 2 x NanoCore)
ssdeep 3072:HL09OLrkcCAMl1/odvW2wjJAhAxXXP6RMCRaZoUjpeDthruSO/7sqFxT62LJpprF:g5A+wdv4jmhScQaUSzspzdX
Threatray 2'625 similar samples on MalwareBazaar
TLSH T1CD241269DAF691BFC40643B58D50A9A3F58F1CB193838ED6A385388ECDBED119231172
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.89:1877

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.89:1877 https://threatfox.abuse.ch/ioc/193521/

Intelligence

File Origin
# of uploads :
1
# of downloads :
523
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Delivery status - Failed.exe
Verdict:
Malicious activity
Analysis date:
2021-08-24 01:17:55 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/56d47d64-e7f2-4829-bcb3-bc19f6ff0b39

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/181672/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Sending a UDP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b04d358-299b-4626-8d76-b58076be1410
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837892
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
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 domain / URL
Sigma detected: NanoCore
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 470323 Sample: Delivery status - Failed.exe Startdate: 24/08/2021 Architecture: WINDOWS Score: 100 31 johnson553.duckdns.org 2->31 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 9 Delivery status - Failed.exe 1 2->9         started        12 MSBuild.exe 4 2->12         started        signatures3 process4 signatures5 47 Maps a DLL or memory area into another process 9->47 14 MSBuild.exe 14 9->14         started        19 conhost.exe 9->19         started        21 conhost.exe 12->21         started        process6 dnsIp7 33 johnson553.duckdns.org 79.134.225.89, 1877, 49714, 49715 FINK-TELECOM-SERVICESCH Switzerland 14->33 27 C:\Users\user\AppData\Roaming\...\run.dat, data 14->27 dropped 29 C:\Users\user\AppData\Local\...\tmp6333.tmp, XML 14->29 dropped 35 Uses schtasks.exe or at.exe to add and modify task schedules 14->35 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 23 schtasks.exe 1 14->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/667766b63d76d01fb9e9dbbf7b0fb7e74b5b2eb46411c6aee11e56347d1742ea/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-08-24 01:17:05 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mz3wnnr5o3ib7opj3o7xwd5x45fvwlvumqi4nlxbdzldi7ixilva._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
NanoCore
e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
f48ba8bd2660839072d1ad1ea43c7d3ba7787150bd29aaf22eaeac5d1df67cd2
NanoCore
ffec1862f56857ad722abbcb98be7af86f2cf0763371bcb40273f0d884157c32
NanoCore
+ 2'615 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210824-saxvtt4n7x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Unpacked files
SH256 hash:
a7c2e12ee36fa46b9c794e5c3331775d19f4eab7d8b4569f3d1a1adf77a66211
MD5 hash:
27069a4cc53a3b7f7ff3ea17d6756baa
SHA1 hash:
626f754f2dd8877ae5ff6c7d3b1e6a1e1136eefb
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/f68d134a-8e7b-4917-96bf-5e3df637f34b/
SH256 hash:
2a8eade6c2c1ddbc7ce5d40dff6e1c1d7e4c300fe0c3b53339cc9351659dff7c
MD5 hash:
006e1048d4711da2ca70a8dcd9083022
SHA1 hash:
726547980296a97a649829e46be1b7ed76aee037
Link:
https://www.unpac.me/results/f68d134a-8e7b-4917-96bf-5e3df637f34b/
SH256 hash:
667766b63d76d01fb9e9dbbf7b0fb7e74b5b2eb46411c6aee11e56347d1742ea
MD5 hash:
87bbd2771b899230125379caf2c7f037
SHA1 hash:
e583fbaf8d7759b2bf11d7d39bc9ae42c70187ef
Link:
https://www.unpac.me/results/f68d134a-8e7b-4917-96bf-5e3df637f34b/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/667766b63d76/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/667766b63d76d01fb9e9dbbf7b0fb7e74b5b2eb46411c6aee11e56347d1742ea

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/181672/

Comments