MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d
SHA3-384 hash: 37cf774a12a25eaddf26bfe86b237d521d9c54a98c93a2fc366934454cb7c6527f299d389dd95cec416fad803991d936
SHA1 hash: 9eea145c828b3a195cc3eafb5d3f4e05dc634cbc
MD5 hash: d6ab0448eaa90096585d061e75f4b874
humanhash: three-five-hot-north
File name:9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d
Download: download sample
Signature njrat
Create hunting rule
File size:249'344 bytes
First seen:2021-02-28 07:18:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:ZHBNmHERimg+gRJNn5Q92tmauJfH5Ht1zggOHB8N8gAPCKsUeDzOzay4JM:ZHHmQs+yJd5E2UaCHLqHBteKXg4
Threatray 164 similar samples on MalwareBazaar
TLSH 97342B547FD4C905E3AE54BA0BB5E570CF1FAD4A1A1684A1EDFBBC6B733DB812891002
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:19:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2e6ab668-6dc7-4f24-a3a9-7827c639fc73

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/119878/
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
Sending a UDP request
Enabling the 'hidden' option for analyzed file
Creating a process with a hidden window
Creating a window
Connection attempt
Launching the process to change the firewall settings
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620994
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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/9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-02-22 23:45:00 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tn5bd72lx3kpdrkiez5h62fvgtx6k4e5lcq53hn57xgocm56gngq._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
+ 154 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210228-jelq6cayxa/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops startup file
Modifies Windows Firewall
Unpacked files
SH256 hash:
9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d
MD5 hash:
d6ab0448eaa90096585d061e75f4b874
SHA1 hash:
9eea145c828b3a195cc3eafb5d3f4e05dc634cbc
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/2ea5a99b-bc27-48e6-b401-08de2509a7e4/
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/9b7a11ff4bbed4f1c548267a7f68b534efe5709d58a1dd9dbdfdcce133be334d

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/119878/

Comments