MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b. 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 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b
SHA3-384 hash: de6bbee7aa53e22643e8dd14f63b3d8edd7ae54dedd343d38198606f16088a69011e421a2e76f5879cbfa12ea56ad5cd
SHA1 hash: bf03f7b156a359214bc405396d05442156d1cea2
MD5 hash: c79d7562344a4166e5a1e7698dc73ea5
humanhash: timing-connecticut-eighteen-colorado
File name:c79d7562344a4166e5a1e7698dc73ea5.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2025-03-06 04:15:15 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:Xm9r7EkrjaFIs7E5Ox6Jn8LjEwzGi1dDFDogS:Xmhjau5OYVni1dpR
Threatray 525 similar samples on MalwareBazaar
TLSH T16E93C74977E56564E0BF56F75871F2004F38B44B1602E39E48F259AA0B33AC44F89FEA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
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:
147.185.221.26:32278

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
147.185.221.26:32278 https://threatfox.abuse.ch/ioc/1441777/

Intelligence

File Origin
# of uploads :
1
# of downloads :
548
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
c79d7562344a4166e5a1e7698dc73ea5.exe
Verdict:
Malicious activity
Analysis date:
2025-03-06 04:25:34 UTC
Tags:
rat njrat bladabindi remote backdoor
Link:
https://app.any.run/tasks/14732340-136f-4e3d-b3a0-8380202b87a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c92309c668b65489bf5af9
Tags:
autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Enabling the 'hidden' option for recently created files
Launching the process to change network settings
Searching for synchronization primitives
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Creating a file in the mass storage device
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b
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/1a9401f2-8885-44ce-8b23-68033156d611
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1630649
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autorun.inf (USB autostart)
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious 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
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1630649 Sample: MKNhFVTUAj.exe Startdate: 06/03/2025 Architecture: WINDOWS Score: 100 43 day-snapshot.gl.at.ply.gg 2->43 45 tse1.mm.bing.net 2->45 47 2 other IPs or domains 2->47 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 9 other signatures 2->65 9 MKNhFVTUAj.exe 7 2->9         started        12 Microsoft Corporation.exe 3 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->31 dropped 33 C:\Users\user\AppData\...\MKNhFVTUAj.exe.log, ASCII 9->33 dropped 14 server.exe 1 10 9->14         started        process6 dnsIp7 49 day-snapshot.gl.at.ply.gg 147.185.221.26, 32278, 49733, 49734 SALSGIVERUS United States 14->49 35 C:\Users\user\...\Microsoft Corporation.exe, PE32 14->35 dropped 37 9769439aab3af5938a...fWindows Update.exe, PE32 14->37 dropped 39 C:\Umbrella.flv.exe, PE32 14->39 dropped 41 C:\autorun.inf, Microsoft 14->41 dropped 51 Antivirus detection for dropped file 14->51 53 Multi AV Scanner detection for dropped file 14->53 55 Creates autorun.inf (USB autostart) 14->55 57 4 other signatures 14->57 19 netsh.exe 2 14->19         started        21 netsh.exe 2 14->21         started        23 netsh.exe 2 14->23         started        file8 signatures9 process10 process11 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        29 conhost.exe 23->29         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 17:30:00 UTC
File Type:
PE (.Net Exe)
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xra3732jvv25yptsbkmesw4nnufyeu26nojxcmm2x7co5h7mzwnq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
3e3c35133837b661dd2ffb2c4d9ae56277cd5d6750d67673a20937b606f7cf7c
njrat
56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd
njrat
570883baaf5872e7c0a9ee6d002d9f45ce30a67280d8fef5108c25c75d5926e4
njrat
5f1eaaa7781758b4830a2c576234d1687f95c1b058b48d833a4d71f2fa970d6b
njrat
adae7b74db9b2c08abcc5f6b0165896726a36eb412e780710e242a97b12554f9
njrat
error
njrat
+ 515 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
Link:
https://tria.ge/reports/250306-evc9wsxyay/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops autorun.inf file
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
day-snapshot.gl.at.ply.gg:32278
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0 bladabindi
YARA:
malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 Windows_Trojan_Njrat_eb2698d2 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/8175fb47-56cc-4c60-b164-8a4f330491c2
Unpacked files
SH256 hash:
bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b
MD5 hash:
c79d7562344a4166e5a1e7698dc73ea5
SHA1 hash:
bf03f7b156a359214bc405396d05442156d1cea2
Link:
https://www.unpac.me/results/008bf04d-e2e3-4ca1-8bb9-c15bc9dbd601/
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/bc41bfef49ad75dc3e720a98495b8d6d0b82535e6b9371319abfc4ee9feccd9b

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
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