MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 597e060d0d3dbad20232167b5ddca4aa7d6a14704e530811b63044cd6e5347d1. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash: 597e060d0d3dbad20232167b5ddca4aa7d6a14704e530811b63044cd6e5347d1
SHA3-384 hash: efd1fe08a058617ce7b2a4b7599cd48f876db415ede6f14b950782c71e31d2641bd2c4d0a4ea12944ff700d21610e157
SHA1 hash: 4607a584d073e3122e169d1d95c50d3e52b56be2
MD5 hash: f462e35fb1203b36d77e8a1cc572bf6c
humanhash: lactose-spring-lemon-one
File name:f462e35fb1203b36d77e8a1cc572bf6c.exe
Download: download sample
Signature NanoCore
File size:728'576 bytes
First seen:2020-08-05 13:56:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 89f9603ab119f487b36c91fab25c064e (8 x AgentTesla, 4 x Loki, 2 x MassLogger)
ssdeep 12288:A9N5xdEzBMwNXyseVY06gkdo7AL8Mj0a2sr/ifTpxox2POPv:0nczvIYl83a2Oif3ox2Pyv
Threatray 2'609 similar samples on MalwareBazaar
TLSH 8CF4BE22E2F10537D167273DDD2B57B8983ABE1129E858462FE81D4CDF397813A29393
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2s:
godisgood1.hopto.org:7712 (105.112.101.125)
185.244.30.14:7712

Hosted on nVpn:

% Information related to '185.244.30.0 - 185.244.30.255'

% Abuse contact for '185.244.30.0 - 185.244.30.255' is 'abuse@privacyfirst.sh'

inetnum: 185.244.30.0 - 185.244.30.255
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-EU4
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-29T14:10:27Z
last-modified: 2020-07-28T21:04:34Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
Sending a UDP request
DNS request
Connection attempt
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258003 Sample: JBIY8HTthL.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 116 Found malware configuration 2->116 118 Malicious sample detected (through community Yara rule) 2->118 120 Sigma detected: Scheduled temp file as task from temp location 2->120 122 6 other signatures 2->122 10 JBIY8HTthL.exe 2->10         started        13 dhcpmon.exe 2->13         started        15 dhcpmon.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 134 Writes to foreign memory regions 10->134 136 Allocates memory in foreign processes 10->136 138 Queues an APC in another process (thread injection) 10->138 140 Contains functionality to detect sleep reduction / modifications 10->140 19 notepad.exe 5 10->19         started        23 notepad.exe 13->23         started        25 notepad.exe 2 15->25         started        142 Maps a DLL or memory area into another process 17->142 27 sjfhjjskfsf.exe 17->27         started        29 sjfhjjskfsf.exe 17->29         started        31 sjfhjjskfsf.exe 3 17->31         started        process5 file6 82 C:\Users\user\AppData\...\sjfhjjskfsf.exe, PE32 19->82 dropped 84 C:\Users\...\sjfhjjskfsf.exe:Zone.Identifier, ASCII 19->84 dropped 124 Creates files in alternative data streams (ADS) 19->124 126 Drops VBS files to the startup folder 19->126 33 sjfhjjskfsf.exe 19->33         started        86 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 23->86 dropped 36 sjfhjjskfsf.exe 23->36         started        38 sjfhjjskfsf.exe 25->38         started        40 sjfhjjskfsf.exe 27->40         started        128 Maps a DLL or memory area into another process 29->128 42 sjfhjjskfsf.exe 29->42         started        44 sjfhjjskfsf.exe 29->44         started        88 C:\Users\user\AppData\...\sjfhjjskfsf.exe.log, ASCII 31->88 dropped signatures7 process8 signatures9 106 Detected unpacking (changes PE section rights) 33->106 108 Detected unpacking (creates a PE file in dynamic memory) 33->108 110 Detected unpacking (overwrites its own PE header) 33->110 112 Contains functionality to detect sleep reduction / modifications 33->112 46 sjfhjjskfsf.exe 1 15 33->46         started        51 sjfhjjskfsf.exe 33->51         started        114 Maps a DLL or memory area into another process 36->114 53 sjfhjjskfsf.exe 36->53         started        55 sjfhjjskfsf.exe 36->55         started        57 sjfhjjskfsf.exe 38->57         started        59 sjfhjjskfsf.exe 2 38->59         started        61 sjfhjjskfsf.exe 40->61         started        63 sjfhjjskfsf.exe 40->63         started        process10 dnsIp11 98 185.244.30.14, 49751, 49752, 49753 DAVID_CRAIGGG Netherlands 46->98 100 godisgood1.hopto.org 105.112.101.125, 7712 VNL1-ASNG Nigeria 46->100 102 192.168.2.1 unknown unknown 46->102 90 C:\Program Files (x86)\...\dhcpmon.exe, PE32 46->90 dropped 92 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 46->92 dropped 94 C:\Users\user\AppData\Local\Temp\tmp53A.tmp, XML 46->94 dropped 96 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 46->96 dropped 104 Hides that the sample has been downloaded from the Internet (zone.identifier) 46->104 65 schtasks.exe 1 46->65         started        67 schtasks.exe 1 46->67         started        69 sjfhjjskfsf.exe 53->69         started        72 sjfhjjskfsf.exe 57->72         started        file12 signatures13 process14 signatures15 74 conhost.exe 65->74         started        76 conhost.exe 67->76         started        130 Maps a DLL or memory area into another process 69->130 132 Sample uses process hollowing technique 69->132 78 sjfhjjskfsf.exe 72->78         started        80 sjfhjjskfsf.exe 72->80         started        process16
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-05 01:27:37 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
upx evasion trojan keylogger stealer spyware family:nanocore persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Drops startup file
Loads dropped DLL
UPX packed file
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
godisgood1.hopto.org:7712
185.244.30.14:7712
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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 597e060d0d3dbad20232167b5ddca4aa7d6a14704e530811b63044cd6e5347d1

(this sample)

  
Delivery method
Distributed via web download

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