MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2. 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 1 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2
SHA3-384 hash: 6ea6be1a7df37a8e73195c22743b6ce99994e34a2839803aa098c59a133406089b9c421af0f12a2467eb1f5948ae5717
SHA1 hash: fb04fa7cbe25caccd197dac9af74496e3b513866
MD5 hash: 1f41f02970cfdce69e628299a96d754d
humanhash: chicken-quebec-april-queen
File name:1f41f02970cfdce69e628299a96d754d.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2024-09-16 06:30:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 1536:QxNJD/HBZbszKu9AZp77r1jEwzGi1dDrD7gS:QxUzK4AZtHCi1dr0
TLSH T1E893E94977E52524E0BF56F75471F2004E34B48B1612E39D58F219AA0B33AC48F8AFEB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.185.221.18:61276

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.185.221.18:61276 https://threatfox.abuse.ch/ioc/1325248/

Intelligence

File Origin
# of uploads :
1
# of downloads :
470
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
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Win.Dropper.Nanocore-10030076-0
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Win.Trojan.Generic-6417450-0
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Win.Trojan.B-468
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Win.Trojan.Ratenjay-1
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e7d0a82ebf76853bd5d389
Tags:
Execution Network Stealth Njrat
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi cmd evasive explorer fingerprint fingerprint keylogger lolbin msconfig netsh njrat njrat rundll32 schtasks stealer update vbnet winnti
Link:
https://www.filescan.io/uploads/66e7d0a70883d6a903eb6c8e/reports/f1342a37-3f0c-4489-ac25-92ad95a2892c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2
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/5abbe774-5ecd-4960-9086-888c93913759
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1511706
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
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 submitted file
Suricata IDS alerts for network traffic
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/6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-09-13 06:39:57 UTC
File Type:
PE (.Net Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nvemzp2a6x2dcsolnhywlhlih7d6v5oo4ut7ojfboypfjda2l7ra._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:clien discovery evasion persistence privilege_escalation
Link:
https://tria.ge/reports/240916-g92l5stbln/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Modifies Windows Firewall
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
147.185.221.18:61276
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2decdb9a-d618-481c-9519-35dec9aa6821
Unpacked files
SH256 hash:
6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2
MD5 hash:
1f41f02970cfdce69e628299a96d754d
SHA1 hash:
fb04fa7cbe25caccd197dac9af74496e3b513866
Detections:
Njrat
Create hunting rule
CN_disclosed_20180208_c
Create hunting rule
MAL_Winnti_Sample_May18_1
Create hunting rule
Link:
https://www.unpac.me/results/39c24ba1-7f92-431c-b8c2-948f6f8ca1c7/
Parent samples :
6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2
3318d2024f5863942ba46235834bea85161a90219dbcb09bfadaf14f4811476f
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d48ccbf40f5/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/6d48ccbf40f5f43149cb69f1659d683fc7eaf5cee527f724a1761e548c1a5fe2

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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 / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
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:Mal_WIN_NjRAT_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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: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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments