MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7944fdf95ed74bba7ccb37fdc4eaef499c4c6f8d9b28044f4c864ad1f04dc94. 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 2 YARA 6 File information Comments

SHA256 hash: a7944fdf95ed74bba7ccb37fdc4eaef499c4c6f8d9b28044f4c864ad1f04dc94
SHA3-384 hash: 7d30eb312563ad64b46741fdc42a8cd971592125b7746c6046e7e29046b58f4fbc7735a9342078d0e852fc3a8b0a307e
SHA1 hash: e7d771793ecaf349621d747de6747bdde3c14910
MD5 hash: b3279dbd80cbb71976a4b6be3fd2cbf3
humanhash: berlin-kansas-social-oranges
File name:b3279dbd80cbb71976a4b6be3fd2cbf3.exe
Download: download sample
Signature njrat
File size:159'744 bytes
First seen:2022-06-11 02:42:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 3072:FBA+0r6qHc3ldJJv7QmZIc8AV1hT1GU0A8cUzvL:c81db7xCc8i9GPRcev
Threatray 353 similar samples on MalwareBazaar
TLSH T1C8F3D76BBA84CF15EE5829B5C4DF943003D1ADC70B33E24A3F49666D19423E35D89BCA
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13101/52/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.132.159.158:14098

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.132.159.158:14098 https://threatfox.abuse.ch/ioc/691254/
3.141.210.37:14098 https://threatfox.abuse.ch/ioc/691255/

Intelligence


File Origin
# of uploads :
1
# of downloads :
457
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b3279dbd80cbb71976a4b6be3fd2cbf3.exe
Verdict:
Malicious activity
Analysis date:
2022-06-11 02:45:54 UTC
Tags:
rat njrat bladabindi trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi greyware keylogger njrat packed rat
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
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
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 643722 Sample: ukmTLJKjwT.exe Startdate: 11/06/2022 Architecture: WINDOWS Score: 100 37 6.tcp.ngrok.io 2->37 45 Snort IDS alert for network traffic 2->45 47 Multi AV Scanner detection for domain / URL 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 9 other signatures 2->51 9 ukmTLJKjwT.exe 1 9 2->9         started        12 WindowsServices.exe 5 2->12         started        14 WindowsServices.exe 4 2->14         started        16 WindowsServices.exe 4 2->16         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\WindowsServices.exe, Unknown 9->29 dropped 31 C:\Users\user\AppData\...\ukmTLJKjwT.exe.log, Unknown 9->31 dropped 33 C:\Tools.exe:Zone.Identifier, Unknown 9->33 dropped 35 C:\Tools.exe, Unknown 9->35 dropped 18 WindowsServices.exe 4 7 9->18         started        process6 dnsIp7 39 18.189.106.45, 14098, 49780, 49812 AMAZON-02US United States 18->39 41 3.132.159.158, 14098, 49839, 49886 AMAZON-02US United States 18->41 43 5 other IPs or domains 18->43 27 C:\...\89bb0753768638d5e20a39fa982d9416.exe, PE32 18->27 dropped 53 Antivirus detection for dropped file 18->53 55 Protects its processes via BreakOnTermination flag 18->55 57 Machine Learning detection for dropped file 18->57 59 4 other signatures 18->59 23 netsh.exe 1 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-06-06 06:45:26 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat evasion persistence suricata trojan
Behaviour
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
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
a7944fdf95ed74bba7ccb37fdc4eaef499c4c6f8d9b28044f4c864ad1f04dc94
MD5 hash:
b3279dbd80cbb71976a4b6be3fd2cbf3
SHA1 hash:
e7d771793ecaf349621d747de6747bdde3c14910
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTesla
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:NETDIC208_NOCEX
Rule name:NETDIC208_NOCEX_NOREACTOR
Rule name:NETDIC_208
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments