MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d
SHA3-384 hash: 3cadc3d284f542987c09d76be151cb729e3f0bfa5588e744a79e1aee5975cfec5da343b297d918c82f788739b93ab811
SHA1 hash: 97d1ddabc8bb2ab58a19d747c9d0a371307634da
MD5 hash: a72e594ba74e5bea6eb78ae1992112c3
humanhash: oranges-mockingbird-alanine-enemy
File name:a72e594ba74e5bea6eb78ae1992112c3.exe
Download: download sample
Signature njrat
Create hunting rule
File size:49'152 bytes
First seen:2023-05-13 11:15:12 UTC
Last seen:2023-05-13 22:46:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'785 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 768:vzVXxpBsLdbJSZ9KPtq5pXb0rw590TRXZ66QDY/X9u0hcbzyU:LpxpBsLdbJS95pXb0rjKY/Xg8cbzy
Threatray 4 similar samples on MalwareBazaar
TLSH T102231B4933D59525C5FD9E348965A20207BAB20BAC1FFB0D0CD6DCE92BB77D10D10AEA
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
185.223.28.192:1370

Intelligence

File Origin
# of uploads :
2
# of downloads :
358
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
a72e594ba74e5bea6eb78ae1992112c3.exe
Verdict:
Malicious activity
Analysis date:
2023-05-13 11:17:27 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/bf3b38d9-0c65-4310-a73f-4d385f952313

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/388903/
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a file
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm bladabindi cmd.exe fingerprint greyware njrat packed rat stealer
Link:
https://www.filescan.io/uploads/645f7173446f9ce94a659c9f/reports/80f4e811-14fe-4279-8012-d0366541f88b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d
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/a7ab124f-619a-421c-966d-840e9aebd35c
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1232097
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 865079 Sample: AB3Sx2ELCp.exe Startdate: 13/05/2023 Architecture: WINDOWS Score: 100 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for dropped file 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 7 other signatures 2->33 8 AB3Sx2ELCp.exe 2 5 2->8         started        11 brbr.bat 3 2->11         started        process3 file4 21 C:\ProgramData\brbr.bat, PE32 8->21 dropped 23 C:\Users\user\AppData\...\AB3Sx2ELCp.exe.log, ASCII 8->23 dropped 13 brbr.bat 3 3 8->13         started        process5 file6 25 C:\Users\user\AppData\...\System32.exe, PE32 13->25 dropped 35 Antivirus detection for dropped file 13->35 37 Multi AV Scanner detection for dropped file 13->37 39 Machine Learning detection for dropped file 13->39 41 3 other signatures 13->41 17 netsh.exe 3 13->17         started        signatures7 process8 process9 19 conhost.exe 17->19         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-05-10 11:20:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 37 (81.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fl5hnzhwrdqxwfkzge3oxzuvimvydwj4rvgcrjcr6oxse5gz6bgq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
371c2539ccf948c08a3dff5421d7c49b1cb3eabf6839a90f9d7ae6f8d57e921f
njrat
dcf12cad4292eb8342e505e9df6c057499009a4acfc7f8f330ca494809293862
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:brbr-vic evasion persistence trojan
Link:
https://tria.ge/reports/230513-nc45bsga93/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d
MD5 hash:
a72e594ba74e5bea6eb78ae1992112c3
SHA1 hash:
97d1ddabc8bb2ab58a19d747c9d0a371307634da
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/03d52664-10aa-4f2e-8b3a-aad3ac70a4cb/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2afa76e4f688/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/2afa76e4f688e17b15593136ebe695432b81d93c8d4c28a451f3af2274d9f04d

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
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
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/388903/

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