MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a. 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: 14


Intelligence 14 IOCs 5 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
SHA3-384 hash: 8ba9a76c94443d716138f9d101fd5b6d5f6de4fbdcbd27a5c39c3823e570d5dd4707a54c07e8d8e5756be6c613fee73e
SHA1 hash: 3f202fef6884546f0f79123e877ef369fd0d6744
MD5 hash: aa329ecdb9113db8ed5cfa0abddc66b0
humanhash: princess-single-single-lemon
File name:aa329ecdb9113db8ed5cfa0abddc66b0.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2022-03-28 08:51:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:vJnjkitqZf5W9cTYXyc/hTMSgz3R6n/6a1rAF+rMRTyN/0L+EcoinblneHQM3epJ:hnSjjTYic/hAc/66rM+rMRa8NunNt
Threatray 685 similar samples on MalwareBazaar
TLSH T14303294D7FE18168C5FD097B05B2D01307BAE04B6E23DD0E9EE5649A37636C58F50AE2
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.133.207.110:18904

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
3.133.207.110:18904 https://threatfox.abuse.ch/ioc/457245/
3.138.180.119:18904 https://threatfox.abuse.ch/ioc/457246/
3.136.65.236:18904 https://threatfox.abuse.ch/ioc/457247/
3.22.15.135:18904 https://threatfox.abuse.ch/ioc/457248/
3.129.187.220:18904 https://threatfox.abuse.ch/ioc/457249/

Intelligence

File Origin
# of uploads :
1
# of downloads :
363
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/258523/
Detection(s):
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

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.Trojan.B-468
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Searching for the window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Launching a tool to kill processes
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe explorer.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe
Link:
https://www.filescan.io/uploads/624177371f2042394840c2f9/reports/795cc5ca-7a56-4180-9f6e-7be8dfe14c7c/overview
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/a1bf2294-c456-462a-9905-d28946868b66
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965649
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 598130 Sample: lra8nFl9rI.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 41 4.tcp.ngrok.io 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 12 other signatures 2->55 9 lra8nFl9rI.exe 1 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        signatures3 process4 file5 35 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->35 dropped 37 C:\Users\user\...\server.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\...\lra8nFl9rI.exe.log, ASCII 9->39 dropped 18 server.exe 2 6 9->18         started        process6 dnsIp7 43 3.129.187.220, 18904, 49774, 49792 AMAZON-02US United States 18->43 45 3.131.147.49, 18904, 49779, 49788 AMAZON-02US United States 18->45 47 3 other IPs or domains 18->47 31 C:\...\a6fd0ecad088288531909db612a35a6e.exe, PE32 18->31 dropped 33 a6fd0ecad088288531...exe:Zone.Identifier, ASCII 18->33 dropped 57 Antivirus detection for dropped file 18->57 59 Multi AV Scanner detection for dropped file 18->59 61 Protects its processes via BreakOnTermination flag 18->61 63 5 other signatures 18->63 23 taskkill.exe 1 18->23         started        25 netsh.exe 1 3 18->25         started        file8 signatures9 process10 process11 27 conhost.exe 23->27         started        29 conhost.exe 25->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-03-25 10:56:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
39 of 42 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=apdzpglnug3ag5mmnb23bxegzda46l2pde45ewvdq5glb7rl6cfa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
5320400539e21be4eee7c8adc75f045b957d5696007adb23c0f390bcfdfea9cc
njrat
53777546c28cb8912525bf2f3f0e7a69e29f61755b82cbba7d1a0c0d9c562536
njrat
772ca61d127be3c8992d2537bca4e0df6f77b68718d086cb4eef28fb7c6412b9
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
cf0f62c6105ceec3db23af296678feed3ea95d14ff032223d5397c7351cfc9e0
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
+ 675 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Link:
https://tria.ge/reports/220328-ksqebshbh3/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
4.tcp.ngrok.io:18904
Unpacked files
SH256 hash:
03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a
MD5 hash:
aa329ecdb9113db8ed5cfa0abddc66b0
SHA1 hash:
3f202fef6884546f0f79123e877ef369fd0d6744
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/45f00920-42ec-4d42-a85a-b8b8bb8dc31e/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/03c797996da1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/03c797996da1b603758c6875b0dc86c8c1cf2f4f1939d25aa3874cb0fe2bf08a

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
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/258523/

Comments