MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb. 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 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb
SHA3-384 hash: e0f5be36a4495806b2daca8fd8dcd6d31655e5835d922fe3aad80806b3aab1f00279c9869863a80b0654b78557d0a665
SHA1 hash: 02c6eeb6a68c4fab801061321645c3cf118b823a
MD5 hash: 915756ae44759560e8476467163b0f5d
humanhash: oranges-colorado-finch-oklahoma
File name:main.exe
Download: download sample
Signature njrat
Create hunting rule
File size:67'072 bytes
First seen:2024-12-13 11:01:06 UTC
Last seen:2025-02-05 07:59:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'078 x AgentTesla, 20'046 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 1536:bukC8Q3PoN36tJQviFw1noU5BnvA7fLteF3nLrB9z3n+aF9buS9vM:bukC8Q3PoN36tJQviFCocBnIfWl9zOa+
Threatray 75 similar samples on MalwareBazaar
TLSH T112634A4877958A51D2BD6E7804F256518730EA4B6D03F73E4CD170EAABB3EC40A42BE7
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10522/11/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter lontze7
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
16
# of downloads :
431
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
4363463463464363463463463.exe
Verdict:
Malicious activity
Analysis date:
2024-11-14 22:56:27 UTC
Tags:
hausbomber github dcrat evasion meduza stealer exfiltration loader opendir phorpiex cve-2024-4351 miner lumma raccoonclipper xmrig ssh arch-doc rust antivm
Link:
https://app.any.run/tasks/d39fb266-ef13-4125-a8d1-9b893750bb17

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Ursu-9784017-0
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.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675c15ee89dbe2162350aaff
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
Connection attempt
Deleting a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching a tool to kill processes
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm bladabindi cmd dllhost evasive eventvwr hacktool hook keylogger lolbin lolbin mmc njrat rat schtasks vbnet windows winnti wscript
Link:
https://www.filescan.io/uploads/675c14302fbd473404301a4b/reports/9925e886-539f-46c0-a86d-993c7338f5ea/overview
Verdict:
Malicious
Labled as:
KillMBR.B.Generic
Link:
https://www.hybrid-analysis.com/sample/0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0f830166-bbfc-4d49-98e1-6a6ccb0c92c0
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1574572
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Self deletion via cmd or bat file
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses taskkill to terminate AV processes
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1574572 Sample: main.exe Startdate: 13/12/2024 Architecture: WINDOWS Score: 100 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 18 other signatures 2->74 8 main.exe 1 5 2->8         started        12 dllhost.exe 2->12         started        14 dllhost.exe 2 2->14         started        16 8 other processes 2->16 process3 file4 62 C:\ProgramData\dllhost.exe, PE32 8->62 dropped 64 C:\Users\user\AppData\Local\...\main.exe.log, ASCII 8->64 dropped 84 Self deletion via cmd or bat file 8->84 18 dllhost.exe 3 6 8->18         started        23 cmd.exe 1 8->23         started        25 dllhost.exe 2 8->25         started        27 conhost.exe 12->27         started        signatures5 process6 dnsIp7 66 109.111.167.215, 25565, 49737, 49787 SIBSET-NKZ-ASRU Russian Federation 18->66 58 C:\Users\user\AppData\Roaming\...\dllhost.exe, PE32 18->58 dropped 60 C:\Users\user\AppData\Roaming\...\dllhost.url, MS 18->60 dropped 76 Antivirus detection for dropped file 18->76 78 System process connects to network (likely due to code injection or exploit) 18->78 80 Multi AV Scanner detection for dropped file 18->80 82 6 other signatures 18->82 29 taskkill.exe 1 18->29         started        32 taskkill.exe 18->32         started        34 taskkill.exe 18->34         started        40 21 other processes 18->40 36 choice.exe 1 23->36         started        38 conhost.exe 23->38         started        file8 signatures9 process10 signatures11 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 29->86 42 conhost.exe 29->42         started        44 conhost.exe 32->44         started        46 conhost.exe 34->46         started        48 conhost.exe 36->48         started        50 conhost.exe 40->50         started        52 conhost.exe 40->52         started        54 conhost.exe 40->54         started        56 16 other processes 40->56 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2024-07-30 20:44:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bjp6m42xstmh2hfzc6vexeuup5lr573lkvaqbdgb65vgm3pu7p5q._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23
njrat
20b06a72b000ed9c2d9db774c543202171728537aa4a43a7c8b5fdab7bf026c6
njrat
23bb91cc04b475f2acc43bce48f7afc015708568b8e35691981f9cf3f9834d1e
njrat
6026f6be5ce849d09770c35610f9ec7b611fcd746f80821bab90ecf0fa3df1ac
njrat
79174249fde1fe4f55f92724843cfb41da203f62f6d22c222a4084eeac4852dc
njrat
e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f
njrat
+ 65 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked discovery persistence trojan
Link:
https://tria.ge/reports/241213-m44r7sxrfm/
Behaviour
Kills process with taskkill
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Deletes itself
Drops startup file
Executes dropped EXE
Loads dropped DLL
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:25565
Verdict:
Malicious
Tags:
trojan rat njrat Bladabindi Win.Malware.Ursu-9784017-0
YARA:
Unknown_Malware_Sample_Jul17_2 malware_Njrat_strings Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/9d593aaa-78d6-41e9-af24-7f4ae34d3b02
Unpacked files
SH256 hash:
0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb
MD5 hash:
915756ae44759560e8476467163b0f5d
SHA1 hash:
02c6eeb6a68c4fab801061321645c3cf118b823a
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/afa6f649-64cc-4e12-aa55-efca1602e5aa/
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/0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb

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:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Unknown_Malware_Sample_Jul17_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Create hunting rule
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
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.

Web download

njrat

Executable exe 0a5fe6735794d87d1cb917aa4b92947f571eff6b5541008cc1f76a666df4fbfb

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3238006/

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