MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4a702a92da7b41b3b3a894002b8c66b9c58338fe5e76d529e23f5add792ff35. 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: 4

Intelligence 4 IOCs YARA 2 File information Comments

SHA256 hash:	d4a702a92da7b41b3b3a894002b8c66b9c58338fe5e76d529e23f5add792ff35
SHA3-384 hash:	f6f19bda4aedb516ea043feffa46fe957a5d45f6ed7c97319b9c03fff84b43a318478791d69b39089900be5efb53c14c
SHA1 hash:	c13f4bc025d0c96c18da3f6f369e4a838240208f
MD5 hash:	4866c731fa30363f287f5f96130fbb22
humanhash:	yellow-three-finch-jig
File name:	PT. Atlas Copco Order AP-3-052020,pdf.exe
Download:	download sample
Signature	GuLoader Create hunting rule
File size:	602'626 bytes
First seen:	2020-05-04 17:42:46 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	e4442b35816ca2e900c77e488ad8f94f (5 x GuLoader, 1 x RemcosRAT, 1 x AveMariaRAT)
ssdeep	12288:S5XmZNmWOIbbF70XQLOKK5+N8GR6lGWGTZt6+:S52bbbJBPIs5Ztz
Threatray	893 similar samples on MalwareBazaar
TLSH	91D48D22B1D3C633D222197DAC7E537CD826BE132F2424466AF59D4C5FF9791382A293
Reporter	abuse_ch
Tags:	exe GuLoader nVpn RAT RemcosRAT

abuse_ch

Malspam distributing GuLoader:

HELO: veeline.com
Sending IP: 103.227.62.236
From: PT. Atlas Copco Indonesia <christoph.angenendt@de.atlascopco.com>
Subject: Quote AP-9-042020
Attachment: PT. Atlas Copco Order AP-3-052020,pdf.iso (contains "PT. Atlas Copco Order AP-3-052020,pdf.exe")

GuLoader pushing RemcosRAT from drive.google.com

RemcosRAT C2:
goddywin.freedynamicdns.net (91.193.75.6)

Pointing to nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@kgb-vpn.org'

inetnum: 91.193.75.0 - 91.193.75.255
netname: NON-LOGGING-VPN-SERVICE
descr: Please note that we don't store any user data.
descr: Our main effort is not to make money, but to preserve values like the
descr: freedom of expression, the freedom of press, the right to data protection
descr: and informational self-determination.
descr: We ask all employees of Spamhaus and all self-proclaimed deputy sheriffs
descr: to stop your attacks against us.
country: EU
admin-c: KA7109-RIPE
tech-c: KA7109-RIPE
org: ORG-KHd1-RIPE
status: ASSIGNED PI
mnt-by: RIPE-NCC-END-MNT
mnt-by: KGB-MNT
mnt-routes: KGB-MNT
sponsoring-org: ORG-MW1-RIPE
created: 2012-06-04T11:05:55Z
last-modified: 2019-12-05T05:39:00Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

Gathering data

Threat name:

Win32.Trojan.Delf

Status:

Malicious

First seen:

2020-05-04 06:33:43 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 31 (90.32%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2stqfkjnu62bwoz2rfaafoggnoofqm4p4xtw2uu6ep223v4s742q._file

Verdict:

malicious

Label(s):

remcos

Result

Malware family:

n/a

Score:

6/10

Tags:

n/a

Link:

https://tria.ge/reports/201109-d5zhs5l4aa/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Program crash

Legitimate hosting services abused for malware hosting/C2

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:	ach_RemcosRAT Create hunting rule
Author:	abuse.ch

Rule name:	win_remcos_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator