MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be
SHA3-384 hash: 3ff62cffc76ed7bba0f1d2a5ef8fa95c83e7f2f102e9f88d6671dc1b260e629fbd85facba8964a280d9b15fba9003f9e
SHA1 hash: b6292fd9e0577d3a7d939a7f99a60e2ae82722dc
MD5 hash: 15df5f20d08886946782d1d4a6b47641
humanhash: california-washington-lion-massachusetts
File name:Product Catalogue.ace
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:748'729 bytes
First seen:2023-03-20 08:00:56 UTC
Last seen:Never
File type: ace
MIME type:application/octet-stream
ssdeep 12288:+pC7NPGBbvw9fSdLU0sdry0R4AzVWQv4A7NT3PHU31gycYA6wzr89pS7ETEQJdZ:mCVGB2fSN8ry0R4EIA7hfetTw4TEe
TLSH T129F4239DE6A41C8DAC6E3FF0DC4897C6DD32661F790A6FA2624804EED8CFA4364715C0
Reporter cocaman
Tags:ace QUOTATION RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "=?UTF-8?B?IkFudG9ueSBHw5xOR8OWUkTDnCI=?= <antony@pioneercon.com>" (likely spoofed)
Received: "from mageneet.com (unknown [212.87.204.248]) "
Date: "20 Mar 2023 00:59:47 -0700"
Subject: "Re: Request For Quotation // Order Specifications Attached"
Attachment: "Product Catalogue.ace"

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.25738.AceHeur.Exe.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.25166.AceHeur.Exe.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Suspicious-ACE-exe.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230320-0733.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
context-ace overlay packed
Link:
https://www.filescan.io/uploads/641812bfc60b3295f52c08ff/reports/d3963178-38ca-476f-960a-2db86ea69dae/overview
Verdict:
Malicious
Labled as:
Mal/DrodAce
Link:
https://www.hybrid-analysis.com/sample/17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be/
Threat name:
Win64.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2023-03-20 08:01:07 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
6 of 39 (15.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c62njsrb6achntdill6f2psqybo643fsks7nikmzh3sxoufl627a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost evasion persistence rat trojan
Link:
https://tria.ge/reports/230320-kap1vace44/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Windows security modification
Looks for VMWare Tools registry key
Sets service image path in registry
Looks for VirtualBox Guest Additions in registry
Remcos
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
51.75.209.245:2406
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/17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be

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:ACE_Containing_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems) - based on Nick Hoffman' rule - Morphick Inc
Description:Looks for ACE Archives containing an exe/scr file

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

ace 17b4d4ca21f00476cc685afc5d3e50c05dee6cb254bed429993ee57750abf6be

(this sample)

RemcosRAT

Executable exe 4b54075f2a8e292530e7741ed3e2da8f0ba10a3936fe3642e651e7d6fbb10921

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 4b54075f2a8e292530e7741ed3e2da8f0ba10a3936fe3642e651e7d6fbb10921
  
Dropping
MD5 6b04befe5957d4a3513447ae0eadbcd3

Comments