MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa7942a25cea90d890bca23298576191b75723375e2106d8ada228a85bfcfa7f. 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


njrat


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa7942a25cea90d890bca23298576191b75723375e2106d8ada228a85bfcfa7f
SHA3-384 hash: 33c0cbf0acd81c56a6ef85030fa6795f3aa4154d6120fec98a1176fd04b1652d6bf9fff27a1b449dad6a9b95c5da47d2
SHA1 hash: fccb0eba1bf75078c3b015afa23c745ea9879631
MD5 hash: 468d61ecfa9b0bac81704d8bee173f07
humanhash: nitrogen-march-golf-pasta
File name:468d61ecfa9b0bac81704d8bee173f07.exe
Download: download sample
Signature njrat
Create hunting rule
File size:326'656 bytes
First seen:2020-07-24 10:55:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:f1O7kPAjRtyjXNw/SqkbQPK2GhN1/d/d/c90bU8PjE:8tyDN0+bQPK2iNnbU8Pj
Threatray 280 similar samples on MalwareBazaar
TLSH D16428052AD41A9FF5AD37B9739351109BBCA0161A7AEF2E3DC6E0FC1836750C981B63
Reporter abuse_ch
Tags:exe NjRAT nVpn RAT


Avatar
abuse_ch
NjRAT C2:
xvetcons085.linkpc.net:6694 (185.244.30.201)

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-HU
country: HU
descr: Budapest, Hungary
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: 2020-07-17T11:52:57Z
source: RIPE

Intelligence

File Origin
# of uploads :
1
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/32174/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/397296
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 250896 Sample: M5W90qRfWm.exe Startdate: 24/07/2020 Architecture: WINDOWS Score: 100 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 9 other signatures 2->55 10 M5W90qRfWm.exe 3 2->10         started        14 svchost.exe 2 2->14         started        16 svchost.exe 2 2->16         started        18 svchost.exe 2->18         started        process3 file4 45 C:\Users\user\AppData\...\M5W90qRfWm.exe.log, ASCII 10->45 dropped 61 Drops PE files to the user root directory 10->61 63 Drops PE files with benign system names 10->63 65 Injects a PE file into a foreign processes 10->65 20 M5W90qRfWm.exe 1 4 10->20         started        23 svchost.exe 2 14->23         started        25 svchost.exe 2 16->25         started        27 svchost.exe 18->27         started        signatures5 process6 file7 43 C:\Users\user\svchost.exe, PE32 20->43 dropped 29 svchost.exe 3 20->29         started        process8 signatures9 67 Multi AV Scanner detection for dropped file 29->67 69 Drops PE files to the startup folder 29->69 71 Injects a PE file into a foreign processes 29->71 32 svchost.exe 4 5 29->32         started        process10 dnsIp11 47 xvetcons085.linkpc.net 175.144.21.250, 6694 TMNET-AS-APTMNetInternetServiceProviderMY Malaysia 32->47 41 C:\...\9cc46706450f2c8e8ab2adc8b2288d24.exe, PE32 32->41 dropped 57 System process connects to network (likely due to code injection or exploit) 32->57 59 Creates autostart registry keys with suspicious names 32->59 37 netsh.exe 1 3 32->37         started        file12 signatures13 process14 process15 39 conhost.exe 37->39         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa7942a25cea90d890bca23298576191b75723375e2106d8ada228a85bfcfa7f/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-24 10:57:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7j4ufis45kinref4uizjqv3bsg3voizxlyqqnwfnuiukqw747j7q._file
Verdict:
malicious
Similar samples:
06b3325ecfca6773b75ff8d9829cdb9139914c2cf55c5734e8ee315857c5ed9c
njrat
1471e8e6ac0fc93f251e6cc084c631818c2ca56f8acd22c0513d6bc7a5bff6e2
njrat
1ab199282785da53b5d473ab89af264ae67dda695946890c76a8266a7d80352c
njrat
1cff19685b36b678ecd8a9d4bd7a5fe366bd3340de67528b2b444f6c9fd841d1
njrat
3420bb201817ff2ceb811a81d43faf881e961ca1a0e6d578ffaab466ab22c9f4
njrat
6bea7ce2131569b667bc699c65c26bedf04d57844c6fd0ada025a9c5e0282f43
njrat
8062bfd89bed5bf003bb7cbeb5caf6b9136158dcc499e60ea161b896b2d78ce5
njrat
94604c2e73f692b1c67cece78f153633ee7b011bba198cfc5d92923cc2267a05
njrat
a7b27af3279848802a012fad89ce6f0543e80e54b28b02360bb416e39a55bbf3
njrat
baa0b105bc19ddaf3c0303f8e7dcaab546e64a4ed340fe3271d9169a2c9cee46
njrat
+ 270 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
trojan family:njrat evasion persistence
Link:
https://tria.ge/reports/200724-scxyftntj2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa7942a25cea90d890bca23298576191b75723375e2106d8ada228a85bfcfa7f

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:win_njrat_g1
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe fa7942a25cea90d890bca23298576191b75723375e2106d8ada228a85bfcfa7f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/417668/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/32174/

Comments