MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3b9a35e9155fd3c927956f03d54da02f28cc27437537d67ba302ddb4a40e57b. 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: e3b9a35e9155fd3c927956f03d54da02f28cc27437537d67ba302ddb4a40e57b
SHA3-384 hash: 81378acec95744f21ab51bb9baaa032f79739cc9dabba22318123aaa15141b249817ad9467c55ffa03ba64695de937c0
SHA1 hash: 8a9442fbeb4d97c5e5901e86115f34b8722a2079
MD5 hash: 6394cc731582c92a798fad5c27a5e878
humanhash: ohio-yankee-queen-uranus
File name:Order confirmation ,rar.exe
Download: download sample
Signature GuLoader
File size:989'698 bytes
First seen:2020-05-01 11:18:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1c8a22c0423451ea1e4122bc2e70af18 (8 x GuLoader, 1 x RemcosRAT, 1 x AveMariaRAT)
ssdeep 12288:Ui2KmIpZ7l+/yO3VhZjgMU4eB7hqcXd947ecxBOPY4Jvjg3FVLg904yp4lFjD:UFGl0ycAF1d9IeqBOPYovEZ4y+ZD
Threatray 891 similar samples on MalwareBazaar
TLSH B625AF63B2C04877D0731E78DD1B93689827BD612A2468C677F53D4C9F393A13A3A297
Reporter abuse_ch
Tags:exe GuLoader nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing GuLoader:

HELO: veeline.com
Sending IP: 103.227.62.236
From: AIIM JAPAN Co., Ltd. <info@aiim.co.jp>
Subject: Order confirmation
Attachment: Order confirmation ,rar.rar (contains "Order confirmation ,rar.exe")

GuLoader pushing RemcosRAT via drive.google.com

RemcosRAT C2:
newlogs.ddns.net:1990 (91.193.75.27)

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 :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Trojan.Injector
Status:
Malicious
First seen:
2020-05-01 13:27:00 UTC
File Type:
PE (Exe)
Extracted files:
57
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
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

GuLoader

Executable exe e3b9a35e9155fd3c927956f03d54da02f28cc27437537d67ba302ddb4a40e57b

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CreateStreamOnHGlobal
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

Comments