MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1
SHA3-384 hash: 8238e8ce1bb4dd1f941262cc5f8dbd139a71f5d9d60f7908c20daa83d3bdac4df289d0df37eece47291fc9121beb725c
SHA1 hash: c813fed1d814ed0d2b898a9dd40d5e4209750968
MD5 hash: f2660762105cdfd3e513fb600e803048
humanhash: potato-river-football-golf
File name:MARINA ADVISORY No. 2020-54.PDF.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'157'043 bytes
First seen:2020-08-17 17:35:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:BAOcZeJPvWmZVGmpgI2T9vmjqmMJpRbBQoNDw0Gxg539FQZMaBQiRtb6f:bf7ZVGmpgrJmjvqpRbBJt6xw96ZMARR2
Threatray 1'277 similar samples on MalwareBazaar
TLSH D7351202F6D28872D9331D324D366B266D797D205E29DF6EB3E00D6CEA351D06624BB3
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: fmt09.web.com.ph
Sending IP: 216.218.206.49
From: POEA <info1@poea.gov.ph>
Subject: MARINA ADVISORY No. 2020-54
Attachment: MARINA ADVISORY No. 2020-54.PDF.uue (contains "MARINA ADVISORY No. 2020-54.PDF.exe")

NanoCore RAT C2:
alhabib4rec.freeddns.org:54985 (185.140.53.135)

Pointing to 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-EU3
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: 2020-07-28T20:56:03Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47206/
Detection(s):
SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.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
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Launching a process
Deleting a recently created file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/434342
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Svchost Process
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 269554 Sample: MARINA ADVISORY No. 2020-54... Startdate: 18/08/2020 Architecture: WINDOWS Score: 100 66 alhabib4rec.freeddns.org 2->66 72 Malicious sample detected (through community Yara rule) 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 Sigma detected: NanoCore 2->76 78 9 other signatures 2->78 15 kmpqiclno.pif 1 2->15         started        17 MARINA ADVISORY No. 2020-54.PDF.exe 76 2->17         started        19 consent.exe 2->19         started        22 kmpqiclno.pif 2->22         started        signatures3 process4 signatures5 24 wscript.exe 15->24         started        26 kmpqiclno.pif 4 5 17->26         started        80 Writes to foreign memory regions 19->80 28 svchost.exe 19->28 injected process6 process7 30 kmpqiclno.pif 24->30         started        32 wscript.exe 1 26->32         started        process8 34 wscript.exe 30->34         started        36 kmpqiclno.pif 1 32->36         started        process9 38 kmpqiclno.pif 34->38         started        42 wscript.exe 1 36->42         started        file10 60 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 38->60 dropped 82 Writes to foreign memory regions 38->82 84 Allocates memory in foreign processes 38->84 86 Injects a PE file into a foreign processes 38->86 44 RegSvcs.exe 38->44         started        49 kmpqiclno.pif 42->49         started        signatures11 process12 dnsIp13 68 alhabib4rec.freeddns.org 44->68 70 alhabib4rec.ddns.net 44->70 62 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 44->62 dropped 64 C:\Users\user\AppData\Local\...\tmp5A9D.tmp, XML 44->64 dropped 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 44->94 51 wscript.exe 49->51         started        file14 signatures15 process16 process17 53 kmpqiclno.pif 51->53         started        process18 55 wscript.exe 53->55         started        process19 57 kmpqiclno.pif 55->57         started        signatures20 88 Writes to foreign memory regions 57->88 90 Allocates memory in foreign processes 57->90 92 Injects a PE file into a foreign processes 57->92
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 07:45:32 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfbqnkqxrgsnnon7ut4msojagpxq7ryolbfn3lldee27p6bs33aq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
10189128ff7ff4ae10111c65ca809615595304636a0d0e451ee34bf23ee900a2
NanoCore
1ca9978db84d8cad7f6a8f838e106799352c386cfa3aee2bbefa195e7fabe166
NanoCore
28d1ce2d141fcfc52b6b8a81f5424920ba2818a14e8ac201446697ff977082de
NanoCore
3a61804bb8302d42eb46c25a884cf50e7e6e383a9a48bfbfb1cfbe78ed2ed389
NanoCore
4d13350ebf3d38475a0a4a8c223fe6c06e00af3585eb499f60e29639b3944d3f
NanoCore
6d833bd671f179c8dfdf89aac0bc77cd7bb49f82a98cbf5d8122a9d47fa98e9f
NanoCore
9987d8c52079b322db5a969a6c8aca4858262e6bf895d644d2f8c87bee0ec649
NanoCore
9cd4df25010125f2ef3eeef44503b3c2b58435af758fe7213d053a60f018f3d8
NanoCore
9d1f32d9806bafd63451a59e1768502f31cf9dc746c9e92f62b978c1ed259497
NanoCore
a1c243083cc1870948216df122047ee1a8e473d0fab33283009c0d291567ea10
NanoCore
+ 1'267 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/200817-22d89xsrb6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
alhabib4rec.freeddns.org:54985
alhabib4rec.ddns.net:54985
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/b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1

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

uue 3033a0e4f392a97f18e95bf4888962361a57e6df014c859f84d7e2a773a05367

NanoCore

Executable exe b14306aa1789a4d6b9bfa4f8c9392033ef0fc70e584addad632135f7f832dec1

(this sample)

  
Dropped by
MD5 0671c3980aefdf651f44be7973456d93
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47206/
  
Dropped by
SHA256 3033a0e4f392a97f18e95bf4888962361a57e6df014c859f84d7e2a773a05367

Comments