MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 941a13c363625534d3d5085313af453bc17bb5b71836af23dfb33cc4246aee92. 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: 13

Intelligence 13 IOCs 1 YARA 20 File information Comments

SHA256 hash:	941a13c363625534d3d5085313af453bc17bb5b71836af23dfb33cc4246aee92
SHA3-384 hash:	3f99efb30544bf2ee331e0411b31413d83bf59c7a605402a38f54bb390724dc21fc226329d2457340cd02056cfaff2d9
SHA1 hash:	49b1c8539ab963508164ec3dd6bb581bb61a15b5
MD5 hash:	1f0400ea117f738244b05c52bfd2253a
humanhash:	emma-november-bravo-oranges
File name:	1f0400ea117f738244b05c52bfd2253a.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	32'488 bytes
First seen:	2024-07-25 01:30:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	384:dY324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZsq9+vnv9G:SL2s+tRyRpcnuTPX3EzX+2
TLSH	T133E25D4E7FA98466C47C1BB496B2865003B0D1474423EE2F8DC454DBAF73BDA2D48AF9
TrID	59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.6% (.SCR) Windows screen saver (13097/50/3) 8.5% (.EXE) Win64 Executable (generic) (10523/12/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
18.229.140.246:1177

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
18.229.140.246:1177	https://threatfox.abuse.ch/ioc/1303563/

Intelligence

File Origin

# of uploads :

# of downloads :

337

Origin country :

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

DNS request

Connection attempt

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Launching the process to change the firewall settings

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi cmd fingerprint keylogger lolbin lolbin netsh njrat overlay packed rat stealer vbnet zbot

Link:

https://www.filescan.io/uploads/66a1aadb9149fd55f9903228/reports/50dcee60-2ee5-4222-83cb-8ba0e2121065/overview

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/88bbeae1-5667-4bc8-a4c6-b35d094faee1

Result

Threat name:

Njrat

Detection:

malicious

Classification:

phis.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1481622

Behaviour

Behavior Graph:

n/a

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/941a13c363625534d3d5085313af453bc17bb5b71836af23dfb33cc4246aee92

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/941a13c363625534d3d5085313af453bc17bb5b71836af23dfb33cc4246aee92/

Threat name:

ByteCode-MSIL.Backdoor.njRAT

Status:

Malicious

First seen:

2024-07-21 22:05:03 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

36 of 38 (94.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sqnbhq3dmjktju6vbbjrhl2fhpaxxnnxda3k6i67wm6mijdk52ja._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:lammer discovery evasion persistence privilege_escalation trojan

Link:

https://tria.ge/reports/240725-bxezqazejn/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Event Triggered Execution: Netsh Helper DLL

System Location Discovery: System Language Discovery

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

troia23.duckdns.org:1177

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/db5aaf83-2a30-48f1-bf4b-ef5985137488

Unpacked files

SH256 hash:

941a13c363625534d3d5085313af453bc17bb5b71836af23dfb33cc4246aee92

MD5 hash:

1f0400ea117f738244b05c52bfd2253a

SHA1 hash:

49b1c8539ab963508164ec3dd6bb581bb61a15b5

Detections:

NjRat

win_njrat_w1

win_njrat_g1

Njrat

CN_disclosed_20180208_c

Link:

https://www.unpac.me/results/5db0ff83-c88e-419e-9b86-f0a78ba2babb/

Please note that we are no longer able to provide a coverage score for Virus Total.

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 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:	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

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule
Author:	Elastic Security

Rule name:	win_njrat_bytecodes_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

Rule name:	win_njrat_strings_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research

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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