MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8. 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

zgRAT

Vendor detections: 13

Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash:	6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8
SHA3-384 hash:	c95fa1e3752c1f62e3959ca7bc0aada960b0492a49024e55ad820062346d3a869b419da55957d70de3c53661c8442f41
SHA1 hash:	7e6aa168057d0bd25c73e6adf4e7e3edf554f176
MD5 hash:	d01054043c703acb9578842f8dae0a98
humanhash:	minnesota-fifteen-nineteen-nitrogen
File name:	d01054043c703acb9578842f8dae0a98
Download:	download sample
Signature	zgRAT Create hunting rule
File size:	647'680 bytes
First seen:	2024-03-29 21:26:59 UTC
Last seen:	2024-03-29 23:19:42 UTC
File type:	exe
MIME type:	application/x-dosexec
ssdeep	12288:TDkFGqXQOXfKaEk2ZkZH8sxaejRbMhUKmGWK4SnSm9MFJbJc0Gp:vwXQPaMZkZFh+h0GWrSnt9wtS
TLSH	T1A9D4237ED5ACC374C57E88BBBE5EF98B4A10F805CD546E9868E40B4319015FA12F237A
TrID	56.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter	zbetcheckin
Tags:	64 exe zgRAT

Intelligence

File Origin

# of uploads :

# of downloads :

355

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8.exe

Verdict:

Malicious activity

Analysis date:

2024-03-29 21:34:01 UTC

Tags:

pureloader purecrypter loader pureminer zgrat

Link:

https://app.any.run/tasks/542664ab-fe46-497b-856c-dfb023fd6c46

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Enabling the 'hidden' option for recently created files

Creating a file

Forced system process termination

Creating a process from a recently created file

Launching a process

Deleting a recently created file

Connection attempt

Creating a window

Sending a custom TCP request

Connection attempt to an infection source

DNS request

Sending an HTTP GET request

Query of malicious DNS domain

Sending a TCP request to an infection source

Enabling autorun by creating a file

Adding an exclusion to Microsoft Defender

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6607322bd463a7b04772d266/reports/e843170a-d856-482f-9e38-8213be313c23/overview

Verdict:

Malicious

Labled as:

MSILHeracles.Generic

Link:

https://www.hybrid-analysis.com/sample/6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/628d7e5b-15e9-412a-bc78-6071d43a2427

Result

Threat name:

PureLog Stealer, zgRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1417660

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

Encrypted powershell cmdline option found

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Suspicious powershell command line found

Writes to foreign memory regions

Yara detected Costura Assembly Loader

Yara detected PersistenceViaHiddenTask

Yara detected PureLog Stealer

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8/

Threat name:

ByteCode-MSIL.Trojan.Bsymem

Status:

Malicious

First seen:

2024-03-29 21:27:07 UTC

File Type:

PE+ (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=n432byids2ijo4l4hiuqs56c4h5k6bhfi2hx7hs436anqwmbk3ea._file

Verdict:

malicious

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:zgrat rat

Link:

https://tria.ge/reports/240329-1argnsab2z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Drops file in System32 directory

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Detect ZGRat V1

ZGRat

Unpacked files

SH256 hash:

6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8

MD5 hash:

d01054043c703acb9578842f8dae0a98

SHA1 hash:

7e6aa168057d0bd25c73e6adf4e7e3edf554f176

Link:

https://www.unpac.me/results/6e5debcd-05f2-4687-87c3-fb57344c8589/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6f37a0e10396/report/overview.html

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

Threat name:

zgRAT

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

File information

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

Web download

zgRAT

exe 6f37a0e103969097717c3a290977c2e1faaf04e5468f7f9e5cdf80d8598156c8

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2795954/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

Comments

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zbet commented on 2024-03-29 21:27:00 UTC

url : hxxp://185.196.10.233/Yjtqssgb.exe