MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4
SHA3-384 hash: 5d9d9ad26b73229c5d246b64b8174c87ad58820d1517301537bfa3705464a818b83166e0e9af9e2681bc163020ce318f
SHA1 hash: f08fdb959146d40b3b11a6857d359aed2358a626
MD5 hash: bacd71cde434bbcd65ade4a72166bdc8
humanhash: alaska-oregon-nitrogen-utah
File name:bacd71cde434bbcd65ade4a72166bdc8.exe
Download: download sample
Signature njrat
Create hunting rule
File size:56'320 bytes
First seen:2023-01-17 15:25:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 768:aJa6lOt1Man8E2N6FiKUt34okSNomwFvfu0YMDHPsIw7XJSxI3pmWm:aJ1cDnCN6FiKSJDNwsNMDWXExI3pmWm
TLSH T1B3432844BFEA5A01E2BD8F3468F655150634BA63F532EB1E48D568DB13327C68C80FE6
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 (13097/50/3)
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:
102.42.240.236:6522

Intelligence

File Origin
# of uploads :
1
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bacd71cde434bbcd65ade4a72166bdc8.exe
Verdict:
Suspicious activity
Analysis date:
2023-01-17 15:26:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9bdc3369-21cb-4249-82ea-8061b6544b9d

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/353873/
Detection(s):
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.Bladabindi-6192388-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows directory
Creating a process from a recently created file
Creating a file
Creating a window
Sending a custom TCP request
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for the window
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm bladabindi cmd.exe greyware hacktool njrat packed rat windows winnti
Link:
https://www.filescan.io/uploads/63c6be0be56ca96f6d4ffb51/reports/76bce058-53e7-4c83-9524-9cd8a903395c/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/2ceed497-bef6-4c97-af21-4e923769dfef
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1153216
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
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Drops executables to the windows directory (C:\Windows) and starts them
Infects the VBR (Volume Boot Record) of the hard disk
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses shutdown.exe to shutdown or reboot the system
Writes directly to the primary disk partition (DR0)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785956 Sample: f3kneBfK1b.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 9 f3kneBfK1b.exe 1 5 2->9         started        process3 file4 35 C:\Windows\Systemlog.exe, PE32 9->35 dropped 37 C:\Users\user\AppData\...\f3kneBfK1b.exe.log, ASCII 9->37 dropped 53 Drops executables to the windows directory (C:\Windows) and starts them 9->53 13 Systemlog.exe 3 5 9->13         started        signatures5 process6 dnsIp7 41 oxy01.duckdns.org 102.42.240.236, 49702, 49703, 6522 TE-ASTE-ASEG Egypt 13->41 39 \Device\Harddisk0\DR0, DOS/MBR 13->39 dropped 55 Antivirus detection for dropped file 13->55 57 Multi AV Scanner detection for dropped file 13->57 59 Machine Learning detection for dropped file 13->59 61 2 other signatures 13->61 18 cmd.exe 1 13->18         started        21 cmd.exe 13->21         started        file8 signatures9 process10 signatures11 51 Uses shutdown.exe to shutdown or reboot the system 18->51 23 shutdown.exe 1 18->23         started        25 conhost.exe 18->25         started        27 shutdown.exe 1 21->27         started        29 conhost.exe 21->29         started        process12 process13 31 conhost.exe 23->31         started        33 conhost.exe 27->33         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-01-13 07:14:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 39 (82.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7pboqrewsl5ws7y3h2plslbc2quilrmr7iyfv5d6suhgiflfxssa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:victim trojan
Link:
https://tria.ge/reports/230117-st63gaec7s/
Behaviour
Modifies data under HKEY_USERS
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
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
oxy01.duckdns.org:6522
Unpacked files
SH256 hash:
fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4
MD5 hash:
bacd71cde434bbcd65ade4a72166bdc8
SHA1 hash:
f08fdb959146d40b3b11a6857d359aed2358a626
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/9e3d183c-34e7-4b31-8b73-dd086daaab1b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fbc2e8449692/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fbc2e8449692fb697f1b3e9eb92c22d42885c591fa305af47e950e641565bca4

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:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat
Rule name:CN_disclosed_20180208_c
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
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/353873/

Comments