MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9da075849a00c42695e32864dc56fa4a7e2b3f2e6c94e29a1a492cc3b9f3f9ac. 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 4 YARA 11 File information Comments

SHA256 hash: 9da075849a00c42695e32864dc56fa4a7e2b3f2e6c94e29a1a492cc3b9f3f9ac
SHA3-384 hash: 1b5df6caa38b519b7b040c6a0bae0cafb08d37c31967e317c94eeee61d98b552d64858a6ece4534d8550547b499e3a4b
SHA1 hash: 731949b012e640abbc40274901ae6610641b1f60
MD5 hash: b3d877916cba92f8a87fa6c200081c32
humanhash: purple-ack-shade-oklahoma
File name:b3d877916cba92f8a87fa6c200081c32.exe
Download: download sample
Signature njrat
File size:95'232 bytes
First seen:2022-07-17 07:15:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'616 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:tY3wqpSgmnldjcRoMwrx7Y+DIkIITJbXjh7cxBtTWXxrjEtCdnl2pi1Rz4Rk3Cs2:zqzmlbrq+1NTZaTejEwzGi1dDeBngS
Threatray 140 similar samples on MalwareBazaar
TLSH T12F93E84977E53564E1BF5AF39471B2004E38B4871602E39D58F258AA1B33AC44F89FEB
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.127.253.86:10610

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
3.127.253.86:10610 https://threatfox.abuse.ch/ioc/838231/
18.198.77.177:10610 https://threatfox.abuse.ch/ioc/838232/
52.28.112.211:10610 https://threatfox.abuse.ch/ioc/838233/
35.158.159.254:10610 https://threatfox.abuse.ch/ioc/838234/

Intelligence


File Origin
# of uploads :
1
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Gathering data
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.
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Drops PE files to the document folder of the user
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 dropped file
Multi AV Scanner detection for submitted file
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 667006 Sample: 61nor3IVfA.exe Startdate: 17/07/2022 Architecture: WINDOWS Score: 100 41 4.tcp.eu.ngrok.io 2->41 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for dropped file 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 8 other signatures 2->55 9 61nor3IVfA.exe 7 2->9         started        signatures3 process4 file5 29 C:\Users\user\AppData\Roaming\server.exe, PE32 9->29 dropped 31 C:\Users\user\AppData\...\61nor3IVfA.exe.log, ASCII 9->31 dropped 12 server.exe 1 24 9->12         started        process6 dnsIp7 43 3.127.253.86, 10610, 49778, 49792 AMAZON-02US United States 12->43 45 4.tcp.eu.ngrok.io 3.127.59.75, 10610, 49775, 49784 AMAZON-02US United States 12->45 47 52.28.112.211, 10610, 49785, 49791 AMAZON-02US United States 12->47 33 C:\system.exe, PE32 12->33 dropped 35 C:\Windows\SysWOW64xplower.exe, PE32 12->35 dropped 37 C:\Users\user\Favoritesxplower.exe, PE32 12->37 dropped 39 13 other malicious files 12->39 dropped 57 Antivirus detection for dropped file 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Drops PE files to the document folder of the user 12->61 63 5 other signatures 12->63 17 netsh.exe 3 12->17         started        19 netsh.exe 3 12->19         started        21 netsh.exe 1 3 12->21         started        file8 signatures9 process10 process11 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 21->27         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-07-12 22:51:59 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:саша лох evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
NC50Y3AuZXUubmdyb2suaW8Strik:MTA2MTA=
Unpacked files
SH256 hash:
9da075849a00c42695e32864dc56fa4a7e2b3f2e6c94e29a1a492cc3b9f3f9ac
MD5 hash:
b3d877916cba92f8a87fa6c200081c32
SHA1 hash:
731949b012e640abbc40274901ae6610641b1f60
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:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Author:SECUINFRA Falcon Team

File information


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

Comments