MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23. 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 5 YARA 23 File information Comments

SHA256 hash:	015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23
SHA3-384 hash:	e8b7449e7011f4803daf57427e22b34bb71b98dcd1d4cd8fe2a9aaf50677b9ddb9d24ea3bd1154cb6845d97bb6c723b4
SHA1 hash:	835c1241aeb2593de39203eed3cb40d9ffdf38ad
MD5 hash:	0ea77f8ba4ca83bfbbc2bc429653a831
humanhash:	pizza-rugby-pluto-massachusetts
File name:	0ea77f8ba4ca83bfbbc2bc429653a831.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	67'072 bytes
First seen:	2024-07-22 11:15:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep	1536:q6QEsHKoN36tFQviFw11AR5D+BnvbPfLteF3nLrB9z3njaF9bUS9vM:q6QEsqoN36tFQviFCu+BnDfWl9zzaF9I
Threatray	64 similar samples on MalwareBazaar
TLSH	T1C6634B4877958A15D2BD2E7844F2A6518730E60B6D03F72E4CD160FBA7B3EC44A42BE7
TrID	48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.6% (.SCR) Windows screen saver (13097/50/3) 6.9% (.EXE) Win64 Executable (generic) (10523/12/4) 4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.64.4.198:17742

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
3.64.4.198:17742	https://threatfox.abuse.ch/ioc/1302956/
18.158.58.205:17742	https://threatfox.abuse.ch/ioc/1302957/
3.67.112.102:17742	https://threatfox.abuse.ch/ioc/1302958/
3.67.62.142:17742	https://threatfox.abuse.ch/ioc/1302959/
3.127.181.115:17742	https://threatfox.abuse.ch/ioc/1302960/

Intelligence

File Origin

# of uploads :

# of downloads :

493

Origin country :

Vendor Threat Intelligence

Detection(s):

Win.Malware.Ursu-9784017-0

Win.Dropper.njRAT-10015886-0

Win.Dropper.Nanocore-10030076-0

Win.Trojan.Generic-6417450-0

Win.Trojan.Generic-6454614-0

Win.Trojan.Generic-6454615-0

Win.Trojan.B-468

Win.Trojan.Bladabindi-6192388-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=669e3f72b302ab76f4484420

Tags:

Network Stealth Njrat

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Searching for synchronization primitives

DNS request

Connection attempt

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm bladabindi cmd evasive eventvwr hacktool hook keylogger lolbin njrat rat schtasks vbnet winnti wscript

Link:

https://www.filescan.io/uploads/669e3f737b9add553ed987d0/reports/833ad50d-2f4d-4a28-afd8-17a54051c6b0/overview

Verdict:

Malicious

Labled as:

KillMBR.B.Generic

Link:

https://www.hybrid-analysis.com/sample/015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4fbaae2f-4486-40ae-9a58-4799774b3dbe

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1478289

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 URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to log keystrokes (.Net Source)

Disables zone checking for all users

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected Generic Downloader

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2024-07-19 13:48:35 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=afoio5p7lzdprlafhe3nczjnqlnvygvklitvvinzk73sh2hmtmrq._file

Verdict:

malicious

Label(s):

njrat

23bb91cc04b475f2acc43bce48f7afc015708568b8e35691981f9cf3f9834d1e

njrat

6026f6be5ce849d09770c35610f9ec7b611fcd746f80821bab90ecf0fa3df1ac

njrat

96c4c61d415ba94f31d71d9825602ec485a97a84190d04c4549f1506871fbce9

njrat

df000e309b7f6e6645a8f6e5b63604d5b81e4ec4a63002f00e4b20eb79ccd79b

njrat

e3572aa1858c4768c3a3985cf00d7e5f51fff72630f7c887149bbe910797f29f

njrat

+ 54 additional samples on MalwareBazaar

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:hacked

Link:

https://tria.ge/reports/240722-nc4tkavbpa/

Behaviour

Suspicious use of AdjustPrivilegeToken

Legitimate hosting services abused for malware hosting/C2

Malware Config

C2 Extraction:

127.0.0.1:17742

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e4a74568-20ec-444e-a952-4116ec0891c3

Unpacked files

SH256 hash:

015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23

MD5 hash:

0ea77f8ba4ca83bfbbc2bc429653a831

SHA1 hash:

835c1241aeb2593de39203eed3cb40d9ffdf38ad

Detections:

NjRat

win_njrat_w1

Njrat

CN_disclosed_20180208_c

Unknown_Malware_Sample_Jul17_2

MAL_Winnti_Sample_May18_1

Link:

https://www.unpac.me/results/832a046b-4592-4329-a7a9-20941320715f/

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/015c8775ff5e46f8ac053936d1652d82db5c1aaa5a275aa1b957f723e8ec9b23

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:	SUSP_Ngrok_URL Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel

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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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