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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e
SHA3-384 hash: e07695558a006c82dc0d50a58dd0977a111fdf0c762740a82dd76a41f82b1046b88e2457caf2d0e0e7546797e386fa1f
SHA1 hash: c99c5a9e6854d671e239ecf984885adf22a305e8
MD5 hash: 178be3895205be64c3f6fb0359308059
humanhash: failed-triple-timing-virginia
File name:2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2021-02-23 14:30:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'204 x AgentTesla, 20'374 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 384:Ztd+Kw7BeAaXaEiVTzdmB0O4yUvFKxgp+Z2fPpYx/w0SgErAF+rMRTyN/0L+EcoS:D0Kw7VPOTUvFhYfSdrM+rMRa8Nuuyt
Threatray 156 similar samples on MalwareBazaar
TLSH 81032A4D7FE18168C4FD167B05B2D412077AE04B6E23D90E8FE564AA37636C18F54AF2
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2021-02-20 10:01:01 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/b31570d0-d37e-48f4-a92c-76104785fa11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/118614/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a process with a hidden window
Creating a window
Connection attempt
Sending a UDP request
Launching the process to change the firewall settings
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/615437
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-02-21 19:00:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
44 of 48 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ezi2kt3asaxafoy3ix62lkrwyachjogt5pdsr77oxn52wxbyb4pa._file
Verdict:
malicious
Similar samples:
2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f
njrat
51707360e28aa57ec8a8d7f42bc7c9ffe8969b5d19bf39a700cde35c0e4d3846
njrat
63383f36546aedefcedaef474544f462af7680d2854d510684c5923b449bfd65
njrat
67096ab5a3f5d606442af60f846eb836bef1ab1a16df2df3d988d6c7b1253ca9
njrat
674e6af13bc6b40d023c0d9306b7ba538f8dc7110da48067174858b605851aa1
njrat
b3a40e1d85f1e1608acf07414a8dea2730c0de0d824bc6165856b8fe00e8ed3d
njrat
c340e420c9515a2a728a76087044548f20830daa8e663f2cee31415802cdb539
njrat
c983380d8bde53391f56e58aed8d7fe8c96b81091047c1d6ef2fe5377ffabd1d
njrat
dc7f689cc6adbf5d8e36008390ed2a79d59d0d3411f9e353ddacf236e695a615
njrat
ffe8dbc4f815fe713c790a19b5122c79d1de9c817f10edf7d86ca297175ce439
njrat
+ 146 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210223-vrhfmzpezx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
Unpacked files
SH256 hash:
2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e
MD5 hash:
178be3895205be64c3f6fb0359308059
SHA1 hash:
c99c5a9e6854d671e239ecf984885adf22a305e8
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/970bd543-0af3-4998-b62e-9541e843c3d7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2651a54f60902e02bb1b45fda5aa36c00474b8d3ebc728ffeebb7bab5c380f1e

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:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
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/118614/

Comments