MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 279bc2d12e356c6471e369ba4b0cc3de3f151ea60fb11ebe4c0bd59f9cc10671. 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 4 YARA 6 File information Comments

SHA256 hash:	279bc2d12e356c6471e369ba4b0cc3de3f151ea60fb11ebe4c0bd59f9cc10671
SHA3-384 hash:	357040d3195a9b325676b38e1a5324958289faeee9a795e8ac38e5735b7d33c70b87d2d9031a3ab95a533d9250091e05
SHA1 hash:	781adc5a532130fac21ff6afd56980c0028d6abf
MD5 hash:	afda6783d3175f057efaac6db2b5f363
humanhash:	romeo-bulldog-mirror-coffee
File name:	bC8T.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	36'864 bytes
First seen:	2022-07-13 21:03:54 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'742 x Formbook, 12'286 x SnakeKeylogger)
ssdeep	384:mBJr6eSnfNzVWv/TsLUtvl8Xe+mzPLTCn2Ie2Ue/YSodLtIanrEp0U:mRSnFGLso/8XTT21hnez
Threatray	53 similar samples on MalwareBazaar
TLSH	T1B9F2F81837F28321C5DE17726962D31722F1E2136923E71E0CE5B8EA7A736850B49EE5
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
3.142.81.166:16454	https://threatfox.abuse.ch/ioc/835052/
3.142.167.54:16454	https://threatfox.abuse.ch/ioc/835053/
3.142.129.56:16454	https://threatfox.abuse.ch/ioc/835054/
3.142.167.4:16454	https://threatfox.abuse.ch/ioc/835055/

Intelligence

File Origin

# of uploads :

# of downloads :

310

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

bC8T.exe

Verdict:

Suspicious activity

Analysis date:

2022-07-13 21:49:25 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/6a99e882-9214-439d-ac7a-d4e99fbd4d3f

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/287698/

Detection(s):

Win.Trojan.B-468

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for synchronization primitives

DNS request

Sending a custom TCP request

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

cmd.exe greyware keylogger njrat packed rat

Link:

https://www.filescan.io/uploads/62cf33488dab2096b995c2b0/reports/d1ee4413-c326-4d80-95dd-4f20c2218ea2/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/42530772-cb4f-4f11-a318-72f72d1203a5

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1030643

Behaviour

Behavior Graph:

n/a

Detection:

njrat

Link:

https://mwdb.cert.pl/sample/279bc2d12e356c6471e369ba4b0cc3de3f151ea60fb11ebe4c0bd59f9cc10671/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2022-07-13 21:04:04 UTC

File Type:

PE (.Net Exe)

AV detection:

33 of 41 (80.49%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e6n4fujogvwgi4pdng5ewdgd3y7rkhvgb6yr5psmbpkz7hgbazyq._file

Result

Malware family:

njrat

Score:

10/10

Tags:

family:njrat botnet:hacked suricata

Link:

https://tria.ge/reports/220713-zwkqksaghj/

Behaviour

Modifies system certificate store

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/4k2XFRYs:5552

Unpacked files

SH256 hash:

279bc2d12e356c6471e369ba4b0cc3de3f151ea60fb11ebe4c0bd59f9cc10671

MD5 hash:

afda6783d3175f057efaac6db2b5f363

SHA1 hash:

781adc5a532130fac21ff6afd56980c0028d6abf

Link:

https://www.unpac.me/results/aa3e11f1-b392-4dd8-b2f9-1ca25f589721/

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/279bc2d12e356c6471e369ba4b0cc3de3f151ea60fb11ebe4c0bd59f9cc10671

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