MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fb606c8dea96198a15d8b6f2cea2ad6d7f281a8a757ffda986814efedfb9500. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fb606c8dea96198a15d8b6f2cea2ad6d7f281a8a757ffda986814efedfb9500
SHA3-384 hash: 0d6621201394bee862221e5b0991285db1481d922b14eea2016665a3aa7fe176e3a99efbd0f268847aeab62e3fae624a
SHA1 hash: 70a9755a29a9e67e8b84a224feef669370bf120d
MD5 hash: 6a55a10e158623317aa2715003a3d868
humanhash: river-carpet-tango-mexico
File name:4fb606c8dea96198a15d8b6f2cea2ad6d7f281a8a757ffda986814efedfb9500
Download: download sample
Signature njrat
Create hunting rule
File size:6'510'080 bytes
First seen:2020-06-29 07:08:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 196608:ZqGcz8eKf0U0sVYk1OsP+trNMaiNZKT6:Kz8eKfwgYuP+Jin
Threatray 2 similar samples on MalwareBazaar
TLSH 6B667C21B8D79963F12B4B3B81E001A9A2116D372785A33B7F9535EB79737C1DE02A43
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15461/
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4fb606c8dea96198a15d8b6f2cea2ad6d7f281a8a757ffda986814efedfb9500/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 00:31:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j63ansg6vfqzrik5rnxsz2rk23l7faniu5l77wuynako73p3suaa._file
Verdict:
malicious
Similar samples:
94b4df2a78e60f80472d518819e7383b09f20d18b270d60b99be31a4a12f7156
njrat
a46358caac50799c82a9cdc45a3718bf519ffe5d32527fdc94843cf7bee487d8
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
evasion persistence trojan family:njrat
Link:
https://tria.ge/reports/200629-mwqylvrtmn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies service
Modifies Windows Firewall
njRAT/Bladabindi
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: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_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.

Cape
Cape
https://www.capesandbox.com/analysis/15461/

Comments