MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8
SHA3-384 hash: 9dcd028a218045a730a4854d22c47c9ca06a7fef7a076aeb44de5471b4dd5c8e08882f828c4fecf93c4a8c4c6f77f33b
SHA1 hash: edfcde51021650b64435c96b2eed59bb2c4a6643
MD5 hash: a6e97e67a77f8e9a1f58f5ba6ef2ecee
humanhash: chicken-michigan-delta-alanine
File name:a6e97e67a77f8e9a1f58f5ba6ef2ecee.exe
Download: download sample
Signature njrat
Create hunting rule
File size:389'825 bytes
First seen:2023-03-28 15:00:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash aac51396886833dc961fcd7aab7711e4 (11 x NetSupport, 7 x DCRat, 4 x njrat)
ssdeep 6144:ygZiAEAO0sByNsAal3gVAWgS7/OhwjMT+tkw+vthjaeUZXWJn:ygZXEAO/BUdG3gVdt7K9T+tkwItIOn
Threatray 539 similar samples on MalwareBazaar
TLSH T1E084C003BAC089B2D42214321A259F21B67D7D301F768DDBE3946D6EEE321D0A7357A7
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
18.197.239.109:16424

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
a6e97e67a77f8e9a1f58f5ba6ef2ecee.exe
Verdict:
Malicious activity
Analysis date:
2023-03-28 15:02:21 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/8ee81ceb-f6aa-4d3d-841b-1cc46a384e6e

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/378215/
Detection(s):
Win.Dropper.njRAT-9986242-0
Create hunting rule

Win.Dropper.Nanocore-9986456-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75447/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe fingerprint greyware njrat overlay packed packed rat setupapi.dll shdocvw.dll shell32.dll stealer winnti
Link:
https://www.filescan.io/uploads/642301319c109cf74b3058d4/reports/06ad101d-50d8-486e-981e-198cf076c0bc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8
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.
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a698d27a-eb6a-45e6-a07e-ae7ccdf73658
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1203568
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 836486 Sample: i8NUjKhypP.exe Startdate: 28/03/2023 Architecture: WINDOWS Score: 100 39 6.tcp.eu.ngrok.io 2->39 41 Snort IDS alert for network traffic 2->41 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 12 other signatures 2->47 10 i8NUjKhypP.exe 9 2->10         started        13 smss.exe 6 2->13         started        15 smss.exe 4 2->15         started        17 smss.exe 4 2->17         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\Temp\test4.exe, PE32 10->37 dropped 19 test4.exe 1 8 10->19         started        process6 file7 31 C:\Users\user\AppData\Local\Temp\smss.exe, PE32 19->31 dropped 33 C:\Tools.exe, PE32 19->33 dropped 49 Antivirus detection for dropped file 19->49 51 Multi AV Scanner detection for dropped file 19->51 53 Machine Learning detection for dropped file 19->53 55 Drops PE files with benign system names 19->55 23 smss.exe 3 8 19->23         started        signatures8 process9 file10 35 C:\...\9b3a17a40bb3128940edbc132292c663.exe, PE32 23->35 dropped 57 Antivirus detection for dropped file 23->57 59 Multi AV Scanner detection for dropped file 23->59 61 Machine Learning detection for dropped file 23->61 63 4 other signatures 23->63 27 netsh.exe 3 23->27         started        signatures11 process12 process13 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-03-25 12:40:02 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=frtlg7lsv7okgo2yp7fqtnrv2rur3azn4axqiiyfhlpd3jusikua._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
061d0bf70bd333159f63aa7bf4f05d51c6056e634df5fc2368f376b54585b530
njrat
285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4
njrat
3839ae6dae764844a340952116bad3294baa5d35506b8cc472a7b98a0718e8d2
njrat
38b152d95fa2fec41b84833f70030ccce86c2295bcef323c7ee804591f0354ee
njrat
54622fa73246157a2e25e418d554d5ccafc663151ac067819d18f48caad9a32c
njrat
f8d0609debf08c60070fef13599aa2b10d66f43ddc904a8176d2ef0ffa01a8fe
njrat
fef984d0cfaacd9e1685f796788009e017649a9485e7927a61968007f6e05bcd
njrat
+ 529 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:mybot evasion persistence trojan
Link:
https://tria.ge/reports/230328-sdvz9sdc81/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
6.tcp.eu.ngrok.io:16424
Unpacked files
SH256 hash:
be30fbcf4787f13abc2bfa84190a980db0b5a6177e94602b0e8e32fa0072ed07
MD5 hash:
84601de9775943723fd9c8e4339f2ce2
SHA1 hash:
c5457a2e04ba9783b425bb79d1be162057adae15
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/0659ab8e-aaff-494b-bff3-0124945b32fa/
SH256 hash:
2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8
MD5 hash:
a6e97e67a77f8e9a1f58f5ba6ef2ecee
SHA1 hash:
edfcde51021650b64435c96b2eed59bb2c4a6643
Link:
https://www.unpac.me/results/0659ab8e-aaff-494b-bff3-0124945b32fa/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2c66b37d72afdca33b587fcb09b635d4691d832de02f0423053ade3da69242a8

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

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/378215/

Comments