MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138. 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: 612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138
SHA3-384 hash: cffb01732f112ad64d2da07c03377f47501d92f75e8e5da28c812891dea139f71783748a1b6ffc80fa9daadc763eaef3
SHA1 hash: 3303e4acce086996bec36fd46ad396e01960820a
MD5 hash: 55aaee46446d832abbad8ed6bde21085
humanhash: lemon-carpet-oklahoma-carolina
File name:1014-07222020.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:730'112 bytes
First seen:2020-07-22 10:44:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 45d579faec0eaf279c0841b2233727cf (6 x AgentTesla, 2 x MassLogger, 2 x NanoCore)
ssdeep 12288:HRmJ34UqACPQoKwICzPhVifZWFuGZkTP2bjmgqLppMH5kQeRMAx5k3:H0B4U+Qo5Ph4ZWkQ5egqL4ZL+MAW
Threatray 2'882 similar samples on MalwareBazaar
TLSH E6F4BF23F7A14433C1631A789D1B97789C3BFE113A3869872BE46D4C5F79681387A293
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: yahoo.com
Sending IP: 45.143.222.165
From: "Miriam Kejzlarová" <accounts@safetop.co.za>
Subject: Re:PO-PS20-0254
Attachment: 1014-07222020.pdf.zip (contains "1014-07222020.exe")

NanoCore RAT C2:
79.134.225.75:1716

Hosted on nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
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.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31115/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Deleting a recently created file
Connection attempt
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
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/394961
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 249874 Sample: 1014-07222020.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 104 wazzy.ddns.net 2->104 110 Multi AV Scanner detection for domain / URL 2->110 112 Found malware configuration 2->112 114 Malicious sample detected (through community Yara rule) 2->114 116 15 other signatures 2->116 13 1014-07222020.exe 2->13         started        16 1014-07222020.exe 2->16         started        18 wpasv.exe 2->18         started        20 wpasv.exe 2->20         started        signatures3 process4 signatures5 126 Detected unpacking (changes PE section rights) 13->126 128 Detected unpacking (creates a PE file in dynamic memory) 13->128 130 Detected unpacking (overwrites its own PE header) 13->130 132 Contains functionality to detect sleep reduction / modifications 13->132 22 1014-07222020.exe 1 14 13->22         started        27 1014-07222020.exe 13->27         started        134 Maps a DLL or memory area into another process 16->134 29 1014-07222020.exe 16->29         started        31 1014-07222020.exe 3 16->31         started        33 wpasv.exe 18->33         started        35 wpasv.exe 3 18->35         started        37 wpasv.exe 20->37         started        39 wpasv.exe 20->39         started        process6 dnsIp7 106 wazzy.ddns.net 105.112.102.244, 1716 VNL1-ASNG Nigeria 22->106 108 79.134.225.75, 1716, 49724, 49725 FINK-TELECOM-SERVICESCH Switzerland 22->108 94 C:\Program Files (x86)\...\wpasv.exe, PE32 22->94 dropped 96 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 22->96 dropped 98 C:\Users\user\AppData\Local\...\tmpF670.tmp, XML 22->98 dropped 100 C:\...\wpasv.exe:Zone.Identifier, ASCII 22->100 dropped 124 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->124 41 schtasks.exe 1 22->41         started        43 schtasks.exe 1 22->43         started        45 1014-07222020.exe 29->45         started        102 C:\Users\user\...\1014-07222020.exe.log, ASCII 31->102 dropped 48 wpasv.exe 33->48         started        50 wpasv.exe 37->50         started        file8 signatures9 process10 signatures11 52 conhost.exe 41->52         started        54 conhost.exe 43->54         started        136 Maps a DLL or memory area into another process 45->136 56 1014-07222020.exe 45->56         started        58 1014-07222020.exe 45->58         started        60 wpasv.exe 48->60         started        62 wpasv.exe 48->62         started        64 wpasv.exe 50->64         started        66 wpasv.exe 50->66         started        process12 process13 68 1014-07222020.exe 56->68         started        71 wpasv.exe 60->71         started        73 wpasv.exe 64->73         started        signatures14 118 Maps a DLL or memory area into another process 68->118 75 1014-07222020.exe 68->75         started        77 1014-07222020.exe 68->77         started        79 wpasv.exe 71->79         started        81 wpasv.exe 71->81         started        83 wpasv.exe 73->83         started        85 wpasv.exe 73->85         started        process15 process16 87 1014-07222020.exe 75->87         started        90 wpasv.exe 79->90         started        signatures17 120 Maps a DLL or memory area into another process 87->120 122 Sample uses process hollowing technique 87->122 92 wpasv.exe 90->92         started        process18
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 10:46:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mevbci6czifaypyhpksqnnem7o7lqfobyatlql32c7lokr5rwe4a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
hawkeyekeylogger
Create hunting rule
emotet
Create hunting rule
trickbot
Create hunting rule
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NanoCore
+ 2'872 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
upx evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200722-h52bchyb1s/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
UPX packed file
NanoCore
Malware Config
C2 Extraction:
wazzy.ddns.net:1716
79.134.225.75:1716
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/612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138

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

zip 831c3a48e00cde473dffcf25d11afd3979e296e5b8e1165bee69b5fdbafe01bd

NanoCore

Executable exe 612a1123c2ca0a0c3f077aa506b48cfbbeb815c1c026b82f7a17d6e547b1b138

(this sample)

  
Dropped by
MD5 d8b05f22097aa31e1ec0883b555eb1cf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/31115/
  
Dropped by
SHA256 831c3a48e00cde473dffcf25d11afd3979e296e5b8e1165bee69b5fdbafe01bd

Comments