MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a
SHA3-384 hash: 0efc740d2425d1e60a52c3b0a6b2076b3ba23c038fbb16505fa1de127f5598df2713ce14699e6691ae384816daf9953e
SHA1 hash: edec9c3206192962c40f1dc3ba19b3d2980dc5a0
MD5 hash: 8b2d2f1a250f01e241bfd9067eadb187
humanhash: arkansas-princess-red-blue
File name:QRR.List.arj
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'045'817 bytes
First seen:2025-04-28 11:58:25 UTC
Last seen:2025-04-28 11:58:59 UTC
File type: zip
MIME type:application/zip
ssdeep 24576:TaoT3OhycrBR+Y+RH7RKtInkE0xgfO58ofu1jHGYd2covbJIih5:Ta+3OcEPpMH70tIlugwfCzGSoFI+
TLSH T1A12533A51C6F432CD8AAFFB3588C9D0BF51067578A8E9A8355C29DC0CAA35F4F15133A
Magika zip
Reporter cocaman
Tags:arj QUOTATION RemcosRAT zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Karen Eudaly" <recouvrement.spat@port-toamasina.com>" (likely spoofed)
Received: "from spat.servermada.com (spat.servermada.com [46.16.200.34]) "
Date: "28 Apr 2025 13:57:23 +0200"
Subject: "Quotation Request Required"
Attachment: "QRR.List.arj"

Intelligence

File Origin
# of uploads :
2
# of downloads :
499
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Quotation request List.exe
File size:1'357'328 bytes
SHA256 hash: a1fd547ad0224d0be610644c1e65feca18df843f079d9839537dc9f6b3e2a87e
MD5 hash: c199744f1018f349f0acca6e5fbe514a
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs2022.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680f6e7dc8b2e86d0ac3c1f2
Tags:
uloader virus nsis blic
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer microsoft_visual_cc overlay packed signed
Link:
https://www.filescan.io/uploads/680f6d8b212716475faff2e0/reports/3856e130-1a5f-438d-aefe-8b98a4857728/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a
Score:
97%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-04-28 11:58:28 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c6cc6qq3j3cwpb5zddx4fvaxppnf3zymer75cxt2de7scoy5pe5a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost credential_access discovery downloader persistence rat stealer
Link:
https://tria.ge/reports/250428-pvn2hawshz/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
185.244.30.100:4801
185.244.30.100:4802
185.244.30.100:4800
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

RemcosRAT

zip 17842f421b4ec56787b918efc2d4177bda5de70c247fd15e7a193f213b1d793a

(this sample)

RemcosRAT

Executable exe a1fd547ad0224d0be610644c1e65feca18df843f079d9839537dc9f6b3e2a87e

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 a1fd547ad0224d0be610644c1e65feca18df843f079d9839537dc9f6b3e2a87e
  
Dropping
MD5 c199744f1018f349f0acca6e5fbe514a

Comments