MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 423efe05f8bcafa36531cb05aadd42fa0ac6a171de0fa5b9749755c7c3a13af7. 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

GuLoader

Vendor detections: 6

Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash:	423efe05f8bcafa36531cb05aadd42fa0ac6a171de0fa5b9749755c7c3a13af7
SHA3-384 hash:	2706f3c189c09321a89d98fa54039540a74180bb39e0697df57d3798a4d704a12f66dd9f19c398254010639773b57c2d
SHA1 hash:	cb4a7579f065201c2a14c36a5dacd9adb1c775fd
MD5 hash:	044283cc5bee1d0cdc415a9155061d51
humanhash:	south-golf-speaker-thirteen
File name:	Quote##-PDF.tar
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	507'587 bytes
First seen:	2023-02-26 08:25:40 UTC
Last seen:	Never
File type:	tar
MIME type:	application/x-rar
ssdeep	12288:yxp3qSCuI3+He3MeLKc1FrWKTJLb4LgHgs8An14ctyXX0I1En:yTxCuu+a7ec1pJTJ4kHpn9SXV1En
TLSH	T153B42312F4C568DFA41E8B790A8BFD4CD7AED00B075043265462B09BD748466ABBF8B7
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	GuLoader tar

cocaman

Malicious email (T1566.001)
From: "Lynn / Business Manager<lila@midasconcepts.com>" (likely spoofed)
Received: "from midasconcepts.com (ip204.ip-176-31-196.eu [176.31.196.204]) "
Date: "24 Feb 2023 06:01:13 -0800"
Subject: "sales contract-876 & New-Order"
Attachment: "Quote##-PDF.tar"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	Quote##-PDF.exe
File size:	579'728 bytes
SHA256 hash:	412f983cf1fb087d9b21bed966aaf91b7468ed1c9f792fb32e5b0a6e9dbbf0c1
MD5 hash:	9fb914c9a670ac3f2d7b43552c65ad10
MIME type:	application/x-dosexec
Signature	GuLoader

Vendor Threat Intelligence

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed shell32.dll

Link:

https://www.filescan.io/uploads/63fb179e0796d7d621e8ab6f/reports/62913f79-2343-4f08-a7bf-46742f7c57a2/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/423efe05f8bcafa36531cb05aadd42fa0ac6a171de0fa5b9749755c7c3a13af7

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/423efe05f8bcafa36531cb05aadd42fa0ac6a171de0fa5b9749755c7c3a13af7/

Threat name:

Win32.Trojan.ZmutzyPong

Status:

Malicious

First seen:

2023-02-24 14:51:26 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

10 of 39 (25.64%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ii7p4bpyxsx2gzjrzmc2vxkc7ifmnilr3yh2lolus5k4pq5bhl3q._file

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery

Link:

https://tria.ge/reports/230226-kpv6eagd75/

Behaviour

Enumerates physical storage devices

Checks installed software on the system

Loads dropped DLL

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/423efe05f8bcafa36531cb05aadd42fa0ac6a171de0fa5b9749755c7c3a13af7

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com