MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721. 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 1 YARA 8 File information Comments

SHA256 hash:	038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721
SHA3-384 hash:	3980c205f60d1e7cc1c010fe4e6d7c787bd2295ca0aa824e514f410c0d8699d83ae9be6f006ecd21721d7a0d47f37229
SHA1 hash:	131baeeb082a9686e439037d68b25511704afdca
MD5 hash:	ae73bdc4a2a838cfd473516f71256775
humanhash:	lactose-friend-floor-mars
File name:	ae73bdc4a2a838cfd473516f71256775.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	24'064 bytes
First seen:	2022-01-04 19:50:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep	384:kV8aZYC9twBNdcvFaly2H0dbJo6HghcASEJqc/ZmRvR6JZlbw8hqIusZzZQQ:kdY+sNKqNHnSdRpcnuG
Threatray	942 similar samples on MalwareBazaar
TLSH	T1F1B22A4E3FA98856C5BD07708AA5969003B491870423EE2FCDC550DBAFB3BD91D4CAF9
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
91.109.180.4:1177

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
91.109.180.4:1177	https://threatfox.abuse.ch/ioc/290935/

Intelligence

File Origin

# of uploads :

# of downloads :

316

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ae73bdc4a2a838cfd473516f71256775.exe

Verdict:

Malicious activity

Analysis date:

2022-01-04 19:55:01 UTC

Tags:

rat njrat bladabindi trojan

Link:

https://app.any.run/tasks/05862cf5-fca4-41e1-8302-c24693a9219e

Note:

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

Detection:

njRat

Link:

https://www.capesandbox.com/analysis/217316/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

DNS request

Creating a process from a recently created file

Creating a file

Creating a process with a hidden window

Creating a window

Searching for synchronization primitives

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Unauthorized injection to a recently created process

Launching the process to change the firewall settings

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

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

67%

Tags:

bladabindi fingerprint greyware keylogger njrat obfuscated packed rat stealer

Link:

https://www.filescan.io/uploads/61d4a528bfe53d318f2647da/reports/5f94c068-a2ab-491c-aeed-9c391afc6446/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.

Malware family:

Malicious Packer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3a3a24b0-d468-4109-94f6-ea0bf035d641

Result

Threat name:

njRat

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/915461

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

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)

Creates autostart registry keys with suspicious names

Detected njRat

Drops PE files to the startup folder

Drops PE files with benign system names

Found malware configuration

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 dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)

Sigma detected: System File Execution Location Anomaly

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

System process connects to network (likely due to code injection or exploit)

Uses dynamic DNS services

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Behaviour

Behavior Graph:

Download SVG

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-01-03 00:35:33 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

28 of 28 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=aog5rn6m5zvn3fxtjnkpofo4ctp4c4mmi67wknyofy56ra4si4qq._file

Verdict:

malicious

Label(s):

njrat

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:victim evasion persistence trojan

Link:

https://tria.ge/reports/220104-yktcxahdh4/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Adds Run key to start application

Drops startup file

Loads dropped DLL

Executes dropped EXE

Modifies Windows Firewall

njRAT/Bladabindi

Malware Config

C2 Extraction:

maxmax321.ddns.net:1177

Unpacked files

SH256 hash:

038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721

MD5 hash:

ae73bdc4a2a838cfd473516f71256775

SHA1 hash:

131baeeb082a9686e439037d68b25511704afdca

Detections:

win_njrat_w1

win_njrat_g1

Link:

https://www.unpac.me/results/9479176e-03d3-4a41-b23e-67e0e05575cb/

Malware family:

njRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/038dd8b7ccee/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/038dd8b7ccee6add96f34b54f715dc14dfc1718c47bf65370e2e3be883924721

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

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:	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.

Cape

https://www.capesandbox.com/analysis/217316/

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