MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f
SHA3-384 hash: d9efcdcfc1aeaf68d849821728609add9ec57fa0ee7a63005d21366bab9a4470e84d772ebe13375d4e4ce529aa2b8cf7
SHA1 hash: e731235f8faeb6d04d936ebb69b7032132663566
MD5 hash: 8b32e28becfe5553d9b59e6ea2973265
humanhash: zulu-skylark-music-nebraska
File name:2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f
Download: download sample
Signature njrat
Create hunting rule
File size:884'224 bytes
First seen:2021-02-28 07:09:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bbac62fd99326ea68ec5a33b36925dd1 (46 x AgentTesla, 38 x njrat, 27 x Formbook)
ssdeep 24576:K4lavt0LkLL9IMixoEgea/QyPRq9MmCS:dkwkn9IMHea/Qy5aPCS
Threatray 1'583 similar samples on MalwareBazaar
TLSH BC159E0373DD83A1C3725273BA66BB01AEBB7C2506A1F59B2FD5093DF920162521E673
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f
Verdict:
Malicious activity
Analysis date:
2021-02-28 09:20:54 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/551a6679-23f1-42dc-b0b8-7848340800c1

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/119804/
Detection(s):
SecuriteInfo.com.AutoIT-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.PUA.Base64EXE-2.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Deleting a recently created file
Sending a UDP request
Creating a file
Creating a process with a hidden window
Connection attempt
Blocking the User Account Control
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/621152
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)
Creates autostart registry keys with suspicious names
Detected njRat
Machine Learning detection for dropped file
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359567 Sample: 8tO1Jlkq1D Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 7 other signatures 2->42 9 8tO1Jlkq1D.exe 6 2->9         started        12 server.exe 3 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        process3 file4 32 C:\Users\user\AppData\Local\Temp\...\2982.exe, PE32 9->32 dropped 18 2982.exe 1 5 9->18         started        process5 file6 30 C:\Users\user\AppData\Local\Temp\server.exe, PE32 18->30 dropped 44 Antivirus detection for dropped file 18->44 46 Multi AV Scanner detection for dropped file 18->46 48 Machine Learning detection for dropped file 18->48 22 server.exe 4 4 18->22         started        signatures7 process8 dnsIp9 34 127.0.0.1 unknown unknown 22->34 50 Antivirus detection for dropped file 22->50 52 Multi AV Scanner detection for dropped file 22->52 54 Machine Learning detection for dropped file 22->54 56 Creates autostart registry keys with suspicious names 22->56 26 netsh.exe 1 3 22->26         started        signatures10 process11 process12 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f/
Threat name:
Win32.Trojan.Nymeria
Create hunting rule
Status:
Malicious
First seen:
2021-02-17 14:12:38 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f6k7swyzz2szkhv5r3az6rxic6hue5yc7sizhuhykhlfufeiughq._file
Verdict:
malicious
Similar samples:
137d03d974474c2998492be7b2d57fd1c7091e987bef4f1cd39ce7cf5a019fbe
njrat
2f5cd6b013a52c1946739554d64f35f0af679025755c2191811045833d3ce7a4
njrat
4824693d37ee0c444b89e21a2ae1cba396927f299e88751759635b2795c1bc96
njrat
4d742fd1047a6a9d019de5deceaae8896d5cee545392b37afab84d29efdcb470
njrat
585b9a5e3aac2aa59c5741bc7f56029aeea7c00dd870dc6064f856c84bc70262
njrat
975d36217950a31fa9591d0ad5236f8817f4f51c5d23f01e88c5684dd197cb15
njrat
a0a3915436586816ac0de5463d4c20c6bcb289326ef04999a1ef2c5f1723c86f
njrat
c2fad2f1da50fadaeb21235a2f1ab6ca135174b10c0f7e499bf9f7bb1d03daf2
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
f586880e7c2d2991e4cc097fd515c0578af818ba1f57ece0dba2c8626161d22d
njrat
+ 1'573 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210228-wbarsrqrde/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
UAC bypass
njRAT/Bladabindi
Unpacked files
SH256 hash:
5c7e89ac219880e2bf1906d071e1fba266b8b138cd3e32dd3f7807d959e5f166
MD5 hash:
7d2b36fc0b2bceb385763f409d3a8bbf
SHA1 hash:
c4e0ae7f40f08bce86d8af752debc0f0f2d32874
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/988574bd-48c2-4e32-b61a-21b30ba9657b/
SH256 hash:
2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f
MD5 hash:
8b32e28becfe5553d9b59e6ea2973265
SHA1 hash:
e731235f8faeb6d04d936ebb69b7032132663566
Link:
https://www.unpac.me/results/988574bd-48c2-4e32-b61a-21b30ba9657b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Zbot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).

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/119804/

Comments