MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97. 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: 15


Intelligence 15 IOCs YARA 19 File information Comments
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SHA256 hash: c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97
SHA3-384 hash: 318019443b97f02fa2c8da4471a52a1009599dc94c72ec5d2329dc88df642ee24e5eef9e379e7ede4c51cddf5a61803d
SHA1 hash: ca342149bb3b5b09ab7fec5e5702fbbc553060a9
MD5 hash: 9b053fa2892086f089442e7a11911cd1
humanhash: zulu-delaware-florida-alanine
File name:c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97.exe
Download: download sample
Signature njrat
Create hunting rule
File size:93'184 bytes
First seen:2024-01-21 20:43:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:FYTRkWWWipj69MME0n2ZXkaEkqVR17p5v:6TZqj69MICZJqVRn5
TLSH T13293E74937E150A9E2FE8AF3A971B2404FBAF0471742934D49E168761A33AD84F44DBB
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adm1n_usa32
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
367
Origin country :
RO RO
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/472111/
Detection(s):
Win.Packed.Generic-9795615-0
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Win.Dropper.njRAT-10015886-0
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Win.Trojan.B-468
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Win.Trojan.Ratenjay-1
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Searching for synchronization primitives
DNS request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd evasive explorer fingerprint fingerprint keylogger lolbin msconfig netsh njrat rat rundll32 schtasks stealer update winnti
Link:
https://www.filescan.io/uploads/65ad82152593e1cd0babb64d/reports/048e6efe-2197-48fe-bf09-53d267aac1fd/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3928af4d-a21a-4f9d-a5ff-f869c1a3d60a
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1378372
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Disables zone checking for all users
Found malware configuration
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
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
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Status:
Malicious
First seen:
2024-01-19 18:50:00 UTC
File Type:
PE (.Net Exe)
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yry3fuoynswddiixgy7nkwtroffo5sjx7gtts56s6izjsfbff6lq._file
Verdict:
malicious
Label(s):
njrat
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Result
Malware family:
njrat
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Score:
  10/10
Tags:
family:njrat evasion
Link:
https://tria.ge/reports/240121-zh5htshhfj/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Modifies Windows Firewall
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
Unpacked files
SH256 hash:
c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97
MD5 hash:
9b053fa2892086f089442e7a11911cd1
SHA1 hash:
ca342149bb3b5b09ab7fec5e5702fbbc553060a9
Detections:
Njrat
Create hunting rule
MALWARE_Win_NjRAT
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CN_disclosed_20180208_c
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MAL_Winnti_Sample_May18_1
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Link:
https://www.unpac.me/results/051a562f-8742-4b79-b5f5-d2d554607246/
Malware family:
njRAT
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c471b2d1d86c/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/c471b2d1d86cac31a117363ed55a71714aeec937f9a73977d2f2329914252f97

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
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Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
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Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
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Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
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Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
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Author:Florian Roth (Nextron Systems)
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:Njrat
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Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
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Rule name:Skystars_LightDefender_Njrat_Rule
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Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_eb2698d2
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/472111/

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