MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60. 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 2 YARA 4 File information Comments
Add tag Delete this sample Report a False Positive

SHA256 hash: 72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60
SHA3-384 hash: d9846b0bd40d91cc31b66817fa6ec8bf88c6662828a3b50b1762d16e04c4b504068ba51275f7bdf258f14319056cee7f
SHA1 hash: 4997c055b582c71cbb3863c9523986b51a339797
MD5 hash: 70aca878bfaac1eaf7019eddd97fc877
humanhash: maine-diet-sierra-black
File name:72CA3E2F8479A075C8E089F543F79C4F1CF868D66D327.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2022-01-14 13:53:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (28'877 x AgentTesla, 8'704 x Formbook, 4'202 x Loki)
ssdeep 384:3IhqBkiyrnDNGRn5IyUv6IzfDhW/6wFbbrAF+rMRTyN/0L+EcoinblneHQM3epz3:If5M5jUvPzQCw1rM+rMRa8Nu1pt
Threatray 440 similar samples on MalwareBazaar
TLSH T113032A4D7FE181A8C5FD157B06B2D41207BAE04F6E23D90E8EE564AA37636C18F50AF1
Reporter @abuse_ch
Tags:exe NjRAT RAT


Twitter
@abuse_ch
njrat C2:
3.134.125.175:13467

Intelligence

File Origin
# of uploads :
1
# of downloads :
319
Origin country :
US US
Mail intelligence
No data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Hamachi 3.1.2.5.exe
Verdict:
Malicious activity
Analysis date:
2021-05-25 17:44:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9d17fa9f-2935-4abd-ae6d-ab134ec01647

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/219337/
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
DNS request
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
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
Creating a file in the mass storage device
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd.exe explorer.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe
Link:
https://www.filescan.io/uploads/61e18086f2e8ec86fefd0cf9/reports/447a3c72-a278-4890-b72c-70ec5a53812a/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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99ad68eb-0a0c-4cae-84d9-8b94a7dabcde
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/920770
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
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 autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Drops fake system file at system root drive
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: 553248 Sample: 72CA3E2F8479A075C8E089F543F... Startdate: 14/01/2022 Architecture: WINDOWS Score: 100 41 0.tcp.ngrok.io 2->41 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 15 other signatures 2->55 9 72CA3E2F8479A075C8E089F543F79C4F1CF868D66D327.exe 1 6 2->9         started        12 System.exe 3 2->12         started        14 System.exe 2 2->14         started        16 System.exe 2 2->16         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\System.exe, PE32 9->35 dropped 37 C:\Users\user\...\System.exe:Zone.Identifier, ASCII 9->37 dropped 39 72CA3E2F8479A075C8...F868D66D327.exe.log, ASCII 9->39 dropped 18 System.exe 2 11 9->18         started        process6 dnsIp7 43 3.13.191.225, 13467, 49760, 49859 AMAZON-02US United States 18->43 45 3.134.125.175, 13467, 49818, 49823 AMAZON-02US United States 18->45 47 4 other IPs or domains 18->47 27 C:\svchost.exe, PE32 18->27 dropped 29 C:\...\9156ea52d892a71a5c604fdd4141de82.exe, PE32 18->29 dropped 31 C:\svchost.exe:Zone.Identifier, ASCII 18->31 dropped 33 2 other malicious files 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 7 other signatures 18->63 23 netsh.exe 1 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Create hunting rule
Link:
https://mwdb.cert.pl/sample/72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-05-27 10:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
41 of 43 (95.35%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://www.spamhaus.org/query/hash/olfd4l4epgqhlsharh2uh544j4opq2gwnuzhfmxgwdyp33i33nqa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8
njrat
423d89d3e4d7651aaf9a83e3ed444daae54e14b2104f5a8552ad61df7aebff4c
njrat
5320400539e21be4eee7c8adc75f045b957d5696007adb23c0f390bcfdfea9cc
njrat
772ca61d127be3c8992d2537bca4e0df6f77b68718d086cb4eef28fb7c6412b9
njrat
b2f0bc2708ed09126d4dcd9196b3c560622df056cd60475af82d8e998d5d45e6
njrat
c7b54cc4aa3d4b08652359ddb2e8b0d91ccd6d0a01c7a34eb527fde4f0f44957
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
+ 430 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/220114-q7lmksgee5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops autorun.inf file
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.ngrok.io:13467
Unpacked files
SH256 hash:
72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60
MD5 hash:
70aca878bfaac1eaf7019eddd97fc877
SHA1 hash:
4997c055b582c71cbb3863c9523986b51a339797
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/9ce8b1f2-d06d-4f9c-a824-6ad5273a5de5/
AV coverage:
77.14%
AV detections:
54 / 70
Link:
https://www.virustotal.com/gui/file/72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60/detection/f-72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60-1622154863
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/72ca3e2f8479a075c8e089f543f79c4f1cf868d66d3272b2e6b0f0fded1bdb60

YARA Signatures

MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

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:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.134.125.175:13467 https://threatfox.abuse.ch/ioc/295241
3.14.182.203:13467 https://threatfox.abuse.ch/ioc/295242

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/219337/

Comments