MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c4881464fd7d95cfe2d60dfd7beff8dd9c3426c15c945500db1e8714374556c. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
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SHA256 hash: 4c4881464fd7d95cfe2d60dfd7beff8dd9c3426c15c945500db1e8714374556c
SHA3-384 hash: 4f7a608b3650285a3793d133014d62b31d6c0ce36bac0195a53ded9014b61be326dd664202d0376b9fb8a5288a3091d4
SHA1 hash: 96b448cd06ac5c2602832a12818af0abdb6a743c
MD5 hash: b1708bef8ebbb2a409244bd8daa46bf9
humanhash: thirteen-lemon-yellow-comet
File name:b1708bef8ebbb2a409244bd8daa46bf9.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'039'519 bytes
First seen:2020-07-22 06:14:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdte5CKhauof4kAY8cx5OcerN2VlqAhPQS:z5bKauoQJYrY2VlqAhPQS
Threatray 1'586 similar samples on MalwareBazaar
TLSH 84251202FAD68472D5331D36592AE724693D79301F38CA1FB3D48E6ECA36181A526F73
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore RAT C2:
smithcity123.ddns.net:57689 (105.112.99.75)

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30740/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394337
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249548 Sample: cHGHh8hEOi.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 10 other signatures 2->59 9 cHGHh8hEOi.exe 33 2->9         started        13 RegSvcs.exe 2 2->13         started        15 gqekgkkuje.pif 1 2->15         started        17 2 other processes 2->17 process3 file4 39 C:\66460064\gqekgkkuje.pif, PE32 9->39 dropped 63 Drops PE files with a suspicious file extension 9->63 19 gqekgkkuje.pif 1 2 9->19         started        22 conhost.exe 13->22         started        24 RegSvcs.exe 2 15->24         started        26 RegSvcs.exe 2 17->26         started        28 RegSvcs.exe 17->28         started        signatures5 process6 signatures7 61 Multi AV Scanner detection for dropped file 19->61 30 RegSvcs.exe 8 19->30         started        process8 dnsIp9 45 smithcity123.ddns.net 105.112.98.86, 57689 VNL1-ASNG Nigeria 30->45 47 185.165.153.124, 49718, 49719, 49720 DAVID_CRAIGGG Netherlands 30->47 41 C:\Users\user\AppData\Roaming\...\run.dat, data 30->41 dropped 43 C:\Users\user\AppData\Local\...\tmpFD39.tmp, XML 30->43 dropped 49 Protects its processes via BreakOnTermination flag 30->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->51 35 schtasks.exe 1 30->35         started        file10 signatures11 process12 process13 37 conhost.exe 35->37         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c4881464fd7d95cfe2d60dfd7beff8dd9c3426c15c945500db1e8714374556c/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 06:15:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jreicrsp27mvz7rnmdp5ppx7rxm4gqtmcxeukuanwhuhcq3ukvwa._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
emotet
Create hunting rule
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38814f6587d098be00d461dae2dfeb01b50e2a697d86bfc02e334024133bfed8
NanoCore
41a16c2fac901e39b8d73bd18aee3a42b510c0e5a7984bb139584299b7356d16
NanoCore
6066b9b33c7336497e3fe0b7b0eb04c8fa8d27accdaad763658cd29865b2236e
NanoCore
6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
NanoCore
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
ae9576df43dd4f5e8d48c6774e7bbbd1a6baaad219c4022dd49af9fdaec57d61
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b2e9a56a20c71306ae8965955dfa780b868c5766f3ebb2f8e4c816a305711cdd
NanoCore
d0a9cde7ebed2daf4306e0e76a341e6c4293bf9904ed464f5bfcb462dc0999d0
NanoCore
d1140f48395a775a6240739f3cde50bb3918ca35aa8b45c3d3ad843d92a78428
NanoCore
+ 1'576 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
persistence keylogger trojan stealer spyware family:nanocore evasion
Link:
https://tria.ge/reports/200722-1499hkb96a/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
smithcity123.ddns.net:57689
185.165.153.124:57689
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4c4881464fd7d95cfe2d60dfd7beff8dd9c3426c15c945500db1e8714374556c

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
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Author:abuse.ch
Rule name:Nanocore
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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/30740/

Comments