MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43205a3dca177f5f1e277f820a8f830dabba6b52a3cb3581041330ebe03dce57. 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
RemcosRAT
Vendor detections: 4
| SHA256 hash: | 43205a3dca177f5f1e277f820a8f830dabba6b52a3cb3581041330ebe03dce57 |
|---|---|
| SHA3-384 hash: | c8cab7ff04eb69b8618e589cd364f123b5989a282339bd995ebd32f00bcb0aae33062f8445669ff9ca102ff1e34d0035 |
| SHA1 hash: | 9013d927ca7414d66517b170dfe6883b12a27f70 |
| MD5 hash: | 79573e1cff6221d5ea2495f7bea06f9e |
| humanhash: | wolfram-south-white-mexico |
| File name: | ReadMe.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 628'226 bytes |
| First seen: | 2020-05-01 17:37:58 UTC |
| Last seen: | 2020-05-02 08:12:42 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a2fcf9d2498e7b637d3c423ec2f92296 (2 x GuLoader, 1 x RemcosRAT) |
| ssdeep | 12288:MxGRFtmUUzQySL0wKkQI84Ijz33tSXtYgdTeu44lFCt:EkFtmxQyQ0wiI84I/3Q9YgdaQQt |
| Threatray | 986 similar samples on MalwareBazaar |
| TLSH | 52D48E73F2D04677D0761A795C1B97A8583ABE203E28A88B2BF53D4C9F35381743A197 |
| Reporter |  abuse_ch |
| Tags: | Azure exe nVpn RAT RemcosRAT UPS |
abuse_ch
Malspam distributing RemcosRAT:HELO: ours1.westcentralus.cloudapp.azure.com
Sending IP: 52.161.109.163
From: UPS Customer Service <customer@ups.com>
Subject: UPS - Pending delivery
Attachment: UPS.iso (contains "ReadMe.exe")
GuLoader pushing RemcosRAT from drive.google.com
RemcosRAT C2:
u864246.nvpn.so:2404 (185.140.53.21)
Pointing to nvpn:
% Information related to '185.140.53.0 - 185.140.53.255'
% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@FOS-VPN.org'
inetnum: 185.140.53.0 - 185.140.53.255
netname: Freedom_Of_Speech_VPN
remarks: Before you contact us, please read:
remarks: 185.140.53.0/24 belongs to a NON-LOGGING VPN service.
remarks: We don't log any user activities.
remarks: We believe that the right to informational self-determination and the
remarks: right to privacy are essential to all citizens of all countries.
remarks: We don't host anything else on our servers than VPN software and our
remarks: customers can open a fixed number of Ports.
remarks: Like Public WiFi or Tor Exit Node Operators we cannot be held responsible
remarks: for the actions of our customers, because we simply can't (and to be
remarks: honest: don't want) to control them.
country: EU
org: ORG-SL751-RIPE
admin-c: SL12644-RIPE
tech-c: SL12644-RIPE
status: ASSIGNED PA
mnt-by: FOS-VPN-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-04-06T18:59:49Z
source: RIPE
Intelligence
File Origin
# of uploads :
6
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Gathering data
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2020-05-01 18:03:00 UTC
File Type:
PE (Exe)
Extracted files:
48
AV detection:
27 of 31 (87.10%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 976 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 |
|---|---|---|
| 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::GetStartupInfoA kernel32.dll::GetDiskFreeSpaceA kernel32.dll::GetCommandLineA |
| WIN_BASE_IO_API | Can Create Files | kernel32.dll::CreateFileA kernel32.dll::GetFileAttributesA 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::FindWindowA user32.dll::PeekMessageA user32.dll::PeekMessageW user32.dll::CreateWindowExA |
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