MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3faaf4c39ac62ca025232a6482aaf902472af9e56d5be60e1e7478c29d30e71c. 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
| SHA256 hash: | 3faaf4c39ac62ca025232a6482aaf902472af9e56d5be60e1e7478c29d30e71c |
|---|---|
| SHA3-384 hash: | 339a903ac1ccf8baadec811ae3eec89bed92f299fa95009f4a11f7ed8fbdb6ad88f5ee4b49fd6bbee50a4079475fa259 |
| SHA1 hash: | 7e655caf0b6678c11fe727bdf0f46edcfc5e3355 |
| MD5 hash: | 5771a1f11c7866eb67ab21d85a89bae7 |
| humanhash: | king-nine-pip-massachusetts |
| File name: | AISAN Quote MY-01-052020,pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 989'698 bytes |
| First seen: | 2020-05-01 13:35:52 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1c8a22c0423451ea1e4122bc2e70af18 (8 x GuLoader, 1 x RemcosRAT, 1 x AveMariaRAT) |
| ssdeep | 12288:Ei2KmIpZ7l+/yO3VhZjgMU4eB7hqcXdjD7ecxBOPY4Jvjg3FVLg904yp4lFQD:EFGl0ycAF1djfeqBOPYovEZ4y+WD |
| Threatray | 787 similar samples on MalwareBazaar |
| TLSH | 2525AF63B2C04877D0731E78DD1B93689827BD612A2468C677F53D4C9F393A13A3A297 |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: server1-ip22.mailsentinel.net
Sending IP: 111.90.139.246
From: Aisan Industry Co., Ltd. <sales@aisan-ind.co.jp>
Subject: Quote MY-01-052020
Attachment: AISAN Quote MY-01-052020,pdf.iso (contains "AISAN Quote MY-01-052020,pdf.exe")
GuLoader pushing RemcosRAT via drive.google.com
RemcosRAT C2:
godsfavoured.ddns.net:7213 (194.5.99.12)
Pointing to nvpn:
% Information related to '194.5.99.0 - 194.5.99.255'
% Abuse contact for '194.5.99.0 - 194.5.99.255' is 'abuse@inter-cloud.tech'
inetnum: 194.5.99.0 - 194.5.99.255
netname: Privacy_Online
remarks: ------------------------------------------------------------------------
remarks: This prefix is used by a non-logging VPN service provider.
remarks: We don't log any user activities.
remarks: We don't host anything else on our servers than VPN software (OpenVPN,
remarks: IKEv1 & 2, WireGuard ...).
remarks: Our customers can open up to 8 Ports (TCP & UDP).
remarks: We support the Tor Project: https://www.torproject.org
remarks: Before sending us potential complaints, please read:
remarks: https://www.torservers.net/abuse.html
remarks:
remarks: We are under constant pressure by Spamhaus.
remarks: Spamhaus issues tons of fake SBL listings in order to destroy our service.
remarks: They use fake identities, violate EU laws and hide outside the EU in
remarks: Andorra to avoid legal consequences.
remarks: Please don't trust this organization.
remarks: If you have any questions related to our service, please contact us
remarks: directly via e-mail: support@inter-cloud.tech
remarks:
remarks: Thank you.
remarks: ------------------------------------------------------------------------
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
country: GB
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-07-20T20:42:53Z
last-modified: 2020-03-10T21:28:31Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
80
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Injector
Status:
Malicious
First seen:
2020-05-01 05:00:55 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
27 of 31 (87.10%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 777 additional samples on MalwareBazaar
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 |
|---|---|
| Author: | abuse.ch |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| COM_BASE_API | Can Download & Execute components | ole32.dll::CoCreateInstance ole32.dll::CreateStreamOnHGlobal |
| SHELL_API | Manipulates System Shell | shell32.dll::ShellExecuteA |
| WIN32_PROCESS_API | Can Create Process and Threads | kernel32.dll::CloseHandle kernel32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | kernel32.dll::LoadLibraryExA kernel32.dll::LoadLibraryA kernel32.dll::GetSystemInfo kernel32.dll::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CreateFileA kernel32.dll::FindFirstFileA version.dll::GetFileVersionInfoSizeA version.dll::GetFileVersionInfoA |
| WIN_REG_API | Can Manipulate Windows Registry | advapi32.dll::RegOpenKeyExA advapi32.dll::RegQueryValueExA |
| WIN_USER_API | Performs GUI Actions | user32.dll::ActivateKeyboardLayout user32.dll::CreateMenu user32.dll::EmptyClipboard user32.dll::FindWindowA user32.dll::OpenClipboard user32.dll::PeekMessageA |
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