MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d403c9a7f0a68755b906c4890787db30c209c919932155e6cf4f0e944177be66. 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

BlackNET

Vendor detections: 11

Intelligence 11 IOCs 1 YARA 10 File information Comments 1

SHA256 hash:	d403c9a7f0a68755b906c4890787db30c209c919932155e6cf4f0e944177be66
SHA3-384 hash:	cc892afea73f9e814d2387a16b99ad947cb3471cb69e9ff3c46c129e8898a69232f50a4f48430cb17558b8083fd8dc21
SHA1 hash:	ca8be04ccb2187b53a067a8d7bbdc8c88a3e3d50
MD5 hash:	a3016f7c88899b10309dfa72387f2e8c
humanhash:	eleven-network-bravo-white
File name:	a3016f7c88899b10309dfa72387f2e8c.exe
Download:	download sample
Signature	BlackNET Create hunting rule
File size:	77'312 bytes
First seen:	2021-04-24 22:55:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	1536:pZuhD5z28TC2ozV/7H1it7PNUTgbSUPH4LOMtYIq:u0BH1itR6gbSKHaOAYI
Threatray	14 similar samples on MalwareBazaar
TLSH	9B73D3423BED6CA2D0BD9AB4BB3353C1C7B5FD1A0512D61D08C410AD5A7A787B981BE3
Reporter	abuse_ch
Tags:	BlackNet exe

abuse_ch

BlackNET C2:
http://chomotrov.rf.gd/receive.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://chomotrov.rf.gd/receive.php	https://threatfox.abuse.ch/ioc/9891/

Intelligence

File Origin

# of uploads :

# of downloads :

373

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a3016f7c88899b10309dfa72387f2e8c.exe

Verdict:

Malicious activity

Analysis date:

2021-04-24 22:57:25 UTC

Tags:

trojan gozi ursnif dreambot blacknet

Link:

https://app.any.run/tasks/43f92ce2-a03f-4dbc-8ed9-9606086d917b

Note:

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

Detection:

BlackNET

Link:

https://www.capesandbox.com/analysis/144038/

Detection(s):

Win.Trojan.BlackNetRAT-7838854-0

Win.Malware.Ursu-9794593-0

ditekSHen.MALWARE.Win.Trojan.BlackNET.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

DNS request

Sending an HTTP GET request

Sending a UDP request

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:

BlackNet RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3a1d25db-c224-499f-98ac-edb841ca5bb6

Result

Threat name:

BlackNET

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/696860

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Detected unpacking (overwrites its own PE header)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected BlackNET

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d403c9a7f0a68755b906c4890787db30c209c919932155e6cf4f0e944177be66/

Threat name:

ByteCode-MSIL.Backdoor.Bladabhindi

Status:

Malicious

First seen:

2021-04-19 01:58:00 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2qb4tj7qu2dvloigyseqpb63gdbatsizsmqvlzwpj4hjiqlxxzta._file

Verdict:

unknown

Result

Malware family:

blacknet

Score:

10/10

Tags:

family:blacknet trojan

Link:

https://tria.ge/reports/210424-rqzc8tn1ex/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

BlackNET

Unpacked files

SH256 hash:

d403c9a7f0a68755b906c4890787db30c209c919932155e6cf4f0e944177be66

MD5 hash:

a3016f7c88899b10309dfa72387f2e8c

SHA1 hash:

ca8be04ccb2187b53a067a8d7bbdc8c88a3e3d50

Detections:

Blacknet

Link:

https://www.unpac.me/results/1b019f15-885f-44e7-9231-e93745664aa8/

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:	Blacknet Create hunting rule
Description:	BlackNet Payload

Rule name:	BlackWorm Create hunting rule
Author:	Brian Wallace @botnet_hunter
Description:	Identify BlackWorm

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:	INDICATOR_SUSPICIOUS_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing artifcats associated with disabling Widnows Defender

Rule name:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

Rule name:	MALWARE_Win_BlackNET Create hunting rule
Author:	ditekSHen
Description:	Detects BlackNET RAT

Rule name:	MAL_Winnti_Sample_May18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:	https://401trg.pw/burning-umbrella/

Rule name:	Ping_Del_method_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	cmd ping IP nul del

Rule name:	Stealer_word_in_memory Create hunting rule
Author:	James_inthe_box
Description:	The actual word stealer in memory

Rule name:	SUSP_Modified_SystemExeFileName_in_File Create hunting rule
Author:	Florian Roth
Description:	Detecst a variant of a system file name often used by attackers to cloak their activity
Reference:	https://www.symantec.com/blogs/threat-intelligence/seedworm-espionage-group

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/144038/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-24 22:59:49 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection