MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a. 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 YARA 25 File information Comments

SHA256 hash:	01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a
SHA3-384 hash:	19df8a78410ac9e3a2e6467f04e992a6c7bd17424fc80bec5c820d8449f37e24ecb7d797246f6d42fa74fe45bbb3aadf
SHA1 hash:	1925a00823561414da5b91a9264bc6be9ba91834
MD5 hash:	a6000858b4fa31bf046b12b93b9f31f9
humanhash:	romeo-two-south-echo
File name:	a6000858b4fa31bf046b12b93b9f31f9.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	1'133'056 bytes
First seen:	2024-01-25 12:55:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 113 x njrat, 80 x RedLineStealer)
ssdeep	24576:2sypRkcfCs/HzDLJhKQr/VX5qN8kPGA97MI/hS0TaQxP:lc5r3V/VXYnzlv
TLSH	T12035334F5074B436F60F10F5E5059F6C8CAE0A0F2D599396E8CB4F2BAA1D7E2A41DD82
TrID	25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4505/5/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
3.124.142.205:25505

Intelligence

File Origin

# of uploads :

# of downloads :

402

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a.exe

Verdict:

Malicious activity

Analysis date:

2024-01-25 12:56:57 UTC

Tags:

rat njrat bladabindi remote

Link:

https://app.any.run/tasks/858ce045-3ce2-4128-adb6-f6c1f3733d26

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/472886/

Detection(s):

Win.Packed.Bladabindi-9854975-0

PUA.Win.Packer.EnigmaProtector-9852682-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Creating a process with a hidden window

Enabling the 'hidden' option for analyzed file

Creating a file

Enabling the 'hidden' option for recently created files

Creating a window

Searching for synchronization primitives

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Launching the process to change the firewall settings

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

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

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi enigma obfuscated packed packed

Link:

https://www.filescan.io/uploads/65b25a65f3cf17c17b799d68/reports/b92cbaa4-c00b-4ba7-8ce0-7cea5f3de7b2/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a

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:

Mimikatz

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8d9c865d-c384-46ea-b554-934367c7a5ab

Result

Threat name:

Njrat

Detection:

malicious

Classification:

spre.troj.adwa.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1381043

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Creates autorun.inf (USB autostart)

Creates autostart registry keys with suspicious names

Drops PE files to the startup folder

Drops PE files with benign system names

Found malware configuration

Hides threads from debuggers

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file has nameless sections

Protects its processes via BreakOnTermination flag

Sigma detected: Drops fake system file at system root drive

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (window names)

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2024-01-20 17:58:25 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=agedxmpxa6knw7b75jpf66exuopbmxd7xtfv2txwgurh2elyyyfa._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

n/a

Score:

8/10

Tags:

evasion persistence

Link:

https://tria.ge/reports/240125-p6b63sgaf6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Drops autorun.inf file

Suspicious use of NtSetInformationThreadHideFromDebugger

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Drops startup file

Modifies Windows Firewall

Unpacked files

SH256 hash:

01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a

MD5 hash:

a6000858b4fa31bf046b12b93b9f31f9

SHA1 hash:

1925a00823561414da5b91a9264bc6be9ba91834

Detections:

SUSP_XORed_URL_In_EXE

Link:

https://www.unpac.me/results/f73162ca-7bc8-49e3-aa04-4567aee60b5a/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/01883bb1f707/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/01883bb1f70794db7c3fea5e5f7897a39e165c7fbccb5d4ef635227d1178c60a

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:	Borland Create hunting rule
Author:	malware-lu

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MALWARE_Win_NjRAT Create hunting rule
Author:	ditekSHen
Description:	Detects NjRAT / Bladabindi / NjRAT Golden

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	NET Create hunting rule
Author:	malware-lu

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:	pe_imphash Create hunting rule

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_Njrat_30f3c220 Create hunting rule

Rule name:	win_njrat_w1 Create hunting rule
Author:	Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:	Identify njRat

Rule name:	win_smominru_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.smominru.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/472886/

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