MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fe4966a0f2d38702c2451af0e2d7c00d2e8ce33ce3a67a51789e609a4295106. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments

SHA256 hash: 5fe4966a0f2d38702c2451af0e2d7c00d2e8ce33ce3a67a51789e609a4295106
SHA3-384 hash: a0725e615b0d57b5b4329ea6dbfcbe82ca860dfe27ec5a6542585121e30b5537f48fe1cc09848f5630dc77440f3a564f
SHA1 hash: 0708486896cd80edcebf80ac87ec1d0108b7909b
MD5 hash: c3b5cc4ed4b775143b12ca08e878787f
humanhash: crazy-oven-washington-papa
File name:C3B5CC4ED4B775143B12CA08E878787F.exe
Download: download sample
Signature njrat
File size:252'492 bytes
First seen:2023-10-20 05:55:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Gakg3/aBDYKNmyzjgl3AcS7xGvRNxzaj2w:1h3CxYKNm+sl5GGXTw
Threatray 137 similar samples on MalwareBazaar
TLSH T1DD3412593F3490A2C35DAC3B8DE66E820370524B5810FE7A4ED7A58216B37DE1F58AF4
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.255.156.162:9091

Intelligence


File Origin
# of uploads :
1
# of downloads :
443
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
C3B5CC4ED4B775143B12CA08E878787F.exe
Verdict:
Malicious activity
Analysis date:
2023-10-20 05:58:09 UTC
Tags:
rat njrat bladabindi remote

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

Behaviour
Searching for the window
Сreating synchronization primitives
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
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi cmd fingerprint keylogger lolbin netsh njrat overlay packed packed rat replace stealer
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:
troj.adwa.spyw.evad
Score:
100 / 100
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Drops executables to the windows directory (C:\Windows) and starts them
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 domain / URL
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1329132 Sample: PtBnN92iAW.exe Startdate: 20/10/2023 Architecture: WINDOWS Score: 100 72 mariatroianos.ddns.net 2->72 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Found malware configuration 2->92 94 13 other signatures 2->94 11 PtBnN92iAW.exe 3 8 2->11         started        signatures3 process4 dnsIp5 74 mariatroianos.ddns.net 141.255.156.162, 1177, 49746, 49752 IELOIELOMainNetworkFR France 11->74 68 C:\Users\user\AppData\...\tmpBDF9.tmp.exe, PE32 11->68 dropped 100 Protects its processes via BreakOnTermination flag 11->100 102 Self deletion via cmd or bat file 11->102 104 Uses netsh to modify the Windows network and firewall settings 11->104 106 Modifies the windows firewall 11->106 16 tmpBDF9.tmp.exe 5 11->16         started        20 cmd.exe 1 11->20         started        22 netsh.exe 2 11->22         started        24 netsh.exe 2 11->24         started        file6 signatures7 process8 file9 58 C:\Windows\1.exe, PE32+ 16->58 dropped 60 C:\Users\user\AppData\Roaming\3.exe, PE32+ 16->60 dropped 62 C:\Users\user\AppData\Local\Temp\4.exe, PE32+ 16->62 dropped 64 C:\Users\user\2.exe, PE32+ 16->64 dropped 76 Antivirus detection for dropped file 16->76 78 Machine Learning detection for dropped file 16->78 80 Drops PE files to the user root directory 16->80 82 Drops executables to the windows directory (C:\Windows) and starts them 16->82 26 4.exe 16->26         started        30 2.exe 4 16->30         started        32 1.exe 4 16->32         started        34 3.exe 16->34         started        84 Uses ping.exe to sleep 20->84 86 Uses ping.exe to check the status of other devices and networks 20->86 36 conhost.exe 20->36         started        38 PING.EXE 1 20->38         started        40 conhost.exe 22->40         started        42 conhost.exe 24->42         started        signatures10 process11 file12 66 C:\Users\user\AppData\Local\...\Software.exe, PE32 26->66 dropped 96 Antivirus detection for dropped file 26->96 98 Machine Learning detection for dropped file 26->98 44 Software.exe 26->44         started        48 Software.exe 30->48         started        50 Software.exe 32->50         started        52 Software.exe 34->52         started        signatures13 process14 file15 70 C:\...\5c93a95e6019e4c9ccf66ae7a7560596.exe, PE32 44->70 dropped 108 Antivirus detection for dropped file 44->108 110 Machine Learning detection for dropped file 44->110 112 Drops PE files to the startup folder 44->112 54 netsh.exe 44->54         started        signatures16 process17 process18 56 conhost.exe 54->56         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-10-14 22:46:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
35 of 38 (92.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:bst botnet:lammer evasion trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
mariatroianos.ddns.net:9091
mariatroianos.ddns.net:1177
Unpacked files
SH256 hash:
5fe4966a0f2d38702c2451af0e2d7c00d2e8ce33ce3a67a51789e609a4295106
MD5 hash:
c3b5cc4ed4b775143b12ca08e878787f
SHA1 hash:
0708486896cd80edcebf80ac87ec1d0108b7909b
Detections:
NjRat win_njrat_w1 win_njrat_g1
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:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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 / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
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:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:win_njrat_bytecodes_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
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.

Comments