MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0
SHA3-384 hash: 42a178834aeee1900689535f9711f2b014e0e1ff111d3b7457bb44ddbc556e4f34592bbd04b4d2afbc86331c289306ac
SHA1 hash: f0056a772b4e3a4853300bda84092c89d91a4c50
MD5 hash: 04c6ba9ea4772b4e9a1036574d1ec77c
humanhash: king-whiskey-pluto-seven
File name:04c6ba9ea4772b4e9a1036574d1ec77c.exe
Download: download sample
Signature njrat
Create hunting rule
File size:303'191 bytes
First seen:2024-02-25 18:10:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 319b1edcc4538be377f43066c635ffef (8 x RedLineStealer, 2 x njrat, 2 x 44CaliberStealer)
ssdeep 6144:qxjrrKEf9+eqfWlsURNwyIolvT+tk108nAskL:qxjrr7F5qfMs8WduT+tk108nG
Threatray 1'512 similar samples on MalwareBazaar
TLSH T12754C122BDC1C871D42114370AE59BB46A3CBD2007364EDB67987E1E9E707D1AB397A3
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) (4504/4/1)
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:
147.185.221.17:55430

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477685/
Detection(s):
Win.Dropper.njRAT-9986242-0
Create hunting rule

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

Win.Malware.Bladabindi-10008357-0
Create hunting rule

Win.Packed.Bladabindi-10017056-0
Create hunting rule

Win.Malware.Zenpak-10017873-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Enabling the 'hidden' option for files in the %temp% directory
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
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
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint lolbin njrat overlay packed setupapi shdocvw shell32
Link:
https://www.filescan.io/uploads/65db82b7c5e1a083fbf879f9/reports/c16dbc88-759d-4746-98e0-ef969b48879b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0
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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/80ac5072-7694-470e-9a5c-9979ddf8d9c8
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1398406
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
Drops PE files to the startup folder
Drops PE files to the user root directory
Found malware configuration
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
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: 1398406 Sample: ltfN9q71gY.exe Startdate: 25/02/2024 Architecture: WINDOWS Score: 100 38 multi-bidding.gl.at.ply.gg 2->38 42 Snort IDS alert for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 10 ltfN9q71gY.exe 11 2->10         started        13 nj.exe 3 2->13         started        15 nj.exe 2 2->15         started        17 nj.exe 2 2->17         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\Temp\...\test.exe, PE32 10->36 dropped 19 test.exe 1 5 10->19         started        process6 file7 32 C:\Users\user\nj.exe, PE32 19->32 dropped 50 Antivirus detection for dropped file 19->50 52 Multi AV Scanner detection for dropped file 19->52 54 Machine Learning detection for dropped file 19->54 56 Drops PE files to the user root directory 19->56 23 nj.exe 3 5 19->23         started        signatures8 process9 dnsIp10 40 multi-bidding.gl.at.ply.gg 147.185.221.17, 49729, 49736, 55430 SALSGIVERUS United States 23->40 34 C:\...\be4ad3106cf587797ead8a8b9736aeba.exe, PE32 23->34 dropped 58 Antivirus detection for dropped file 23->58 60 Multi AV Scanner detection for dropped file 23->60 62 Machine Learning detection for dropped file 23->62 64 4 other signatures 23->64 28 netsh.exe 2 23->28         started        file11 signatures12 process13 process14 30 conhost.exe 28->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2024-02-23 20:51:00 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kllmoh5jv3g6j2g7xsw55pyfwejdtfa4qfbuvgtvdpphcwtksoqa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
6faf7e04851cbca2f0e55db6192d7c274a65b8ce71540955ae26987a472be521
njrat
7f18278ff91b9a98164ef53d558f18c2061a40be760b2393eb94d7bf8a00264a
njrat
9b79d7c40264cf97db295d2ba739acf377a1813c8899b819f82448a355c4b419
njrat
a9d17bd42531c52bcc16e7424db420bb8c56834962cc04209f5d6f937eccff47
njrat
baa13ad4c9d7ba4f03915385de91c623e63c677a363a1dd2acb2d6f119b8adc4
njrat
e64376fdce40bf0d5677f2bc7d28fc37e7f60b95824188e71ec27e27bcec1d77
njrat
+ 1'502 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked-noob evasion persistence trojan
Link:
https://tria.ge/reports/240225-wsk1dshg25/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
multi-bidding.gl.at.ply.gg:55430
Unpacked files
SH256 hash:
5e285b85ecc8311e8b888f05cdd62c91c3ed055a94f127c10e84981c848daf21
MD5 hash:
cf21574b95e03440a4efe101ae848754
SHA1 hash:
781b66b3dfcccf8e35a8bb450a7166a330e8c0aa
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/ff53b26c-7d31-44b4-a8f3-8019935bca05/
SH256 hash:
52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0
MD5 hash:
04c6ba9ea4772b4e9a1036574d1ec77c
SHA1 hash:
f0056a772b4e3a4853300bda84092c89d91a4c50
Link:
https://www.unpac.me/results/ff53b26c-7d31-44b4-a8f3-8019935bca05/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52d6c71fa9ae/report/overview.html
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/52d6c71fa9aecde4e8dfbcaddebf05b11239941c81434a9a751bde715a6a93a0

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

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/477685/

Comments