MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23818c1043d22a05ff032865df5078cfafd6b9531977978bcef6ff214ca34d2e. 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: 14

Intelligence 14 IOCs 1 YARA 6 File information Comments

SHA256 hash:	23818c1043d22a05ff032865df5078cfafd6b9531977978bcef6ff214ca34d2e
SHA3-384 hash:	80de8c9802e1c46b649c97fec736568361e2aa53e627b7466d8eed5b601ca5e8f79eef0822a915d68107a1fb785df53e
SHA1 hash:	e81338328e5c12613d6468438f5657e69e634928
MD5 hash:	25e32595bb47d9cf917f3f977af47969
humanhash:	magnesium-michigan-triple-jig
File name:	bDx8.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	36'864 bytes
First seen:	2022-07-14 02:07:20 UTC
Last seen:	2022-07-14 04:28:30 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'648 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	384:/BJr6eSnfNzVWv/TsLUtvl8Xe+mzPLTCn2Ie2Ue/s2odLtIanrEp0U:/RSnFGLso/8XTTe1hnez
TLSH	T10EF2081837F28321C5DE17726962D31722F1E2136923E71E0CE5B8EA7A736850B49EF5
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 (13101/52/3) 6.9% (.EXE) Win64 Executable (generic) (10523/12/4) 4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	pmelson
Tags:	exe NjRAT

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
24.152.39.233:6745	https://threatfox.abuse.ch/ioc/835025/

Intelligence

File Origin

# of uploads :

# of downloads :

291

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

bDx8.exe

Verdict:

Malicious activity

Analysis date:

2022-07-14 02:16:18 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/fca1983e-7f92-411f-922a-f8aad7ee83ee

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/287738/

Detection(s):

Win.Trojan.B-468

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for synchronization primitives

DNS request

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

bladabindi cmd.exe greyware keylogger njrat packed rat spygate

Link:

https://www.filescan.io/uploads/62cf7abe8dab2096b996f6f3/reports/9f629329-b52b-40f8-a9a1-8fc3da110f1c/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:

njRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b9722f62-3631-4178-adb0-4d0bf00e1ea8

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/1030903

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Connects to a pastebin service (likely for C&C)

Detected unpacking (overwrites its own PE header)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Snort IDS alert for network traffic

Uses dynamic DNS services

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/23818c1043d22a05ff032865df5078cfafd6b9531977978bcef6ff214ca34d2e/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-07-14 02:08:06 UTC

File Type:

PE (.Net Exe)

AV detection:

24 of 26 (92.31%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=eoayyecd2ival7ydfbs56udyz6x5noktdf3zpc6o637sctfdjuxa._file

Verdict:

malicious

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:hacked suricata

Link:

https://tria.ge/reports/220714-ckjykshaeq/

Behaviour

Suspicious use of AdjustPrivilegeToken

Legitimate hosting services abused for malware hosting/C2

suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)

Malware Config

C2 Extraction:

https://pastebin.com/raw/cDizVgas:5552

Unpacked files

SH256 hash:

23818c1043d22a05ff032865df5078cfafd6b9531977978bcef6ff214ca34d2e

MD5 hash:

25e32595bb47d9cf917f3f977af47969

SHA1 hash:

e81338328e5c12613d6468438f5657e69e634928

Link:

https://www.unpac.me/results/8e9325fb-3437-493a-9a13-dfd7d79f8074/

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

Threat name:

Malicious File

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/23818c1043d22a05ff032865df5078cfafd6b9531977978bcef6ff214ca34d2e

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:	INDICATOR_SUSPICIOUS_EXE_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

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

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
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