MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426
SHA3-384 hash: 8bf86cb8bc62093b1402ba86fbadc2bc75e3d10cef4ccbcf9eda9c56e4b728411a1e4e0b309cd086b170a10d0e4f6904
SHA1 hash: eb16ef7e0f1f1a65214156ab7d50a428bb339b3d
MD5 hash: e7e39384c4cea12dfb1474ac8b767ab8
humanhash: monkey-three-india-pennsylvania
File name:scan010116.arj
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:455'638 bytes
First seen:2025-10-20 12:57:59 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:lZhvBcaL2YnQ+xm9QeSgGL2Kv/NbyiRKQkEW:Fv2/f0c6TXNFgkW
TLSH T13AA42328BAE6BD06F5DF907DD487E20A4D4CF6ED40F37848096C215D89B6222E18D6F6
Magika zip
Reporter cocaman
Tags:arj RemcosRAT zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Guangzhou Dongfengshun Trading Co., Ltd. <demi@matsdubai.com>" (likely spoofed)
Received: "from level.matsdubai.com (level.matsdubai.com [94.156.175.192]) "
Date: "17 Oct 2025 00:37:01 +0000"
Subject: "Order Confirmation!"
Attachment: "scan010116.arj"

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
CH CH
File Archive Information

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

File name:scan010116.exe
File size:543'023 bytes
SHA256 hash: 8ca7124e0d0abbebeb7089771abe45deb02ce6c49ad9ab3f6d6dc3b9cac09013
MD5 hash: 0328dfca3ebd3b8c2f7fe7f417222b76
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs1745.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f631fcc949ca4fcbe3aeea
Tags:
injection obfusc virus
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426/results/dashboard
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer microsoft_visual_cc nsis overlay
Link:
https://www.filescan.io/uploads/68f632093a79800405ec47ce/reports/6eb62aab-860d-4669-8611-92af773d4f8e/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426
Verdict:
Malicious
File Type:
zip
First seen:
2025-10-18T07:21:00Z UTC
Last seen:
2025-10-18T07:39:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426/results?tab=lookup
Score:
89%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/e7e39384c4cea12dfb1474ac8b767ab8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-10-17 01:24:36 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjtnbxwyjrhjcyqsaf2spczolglkubne3roqg7gwyuglcxtmcqta._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos collection discovery downloader persistence rat
Link:
https://tria.ge/reports/251020-qac9yagv3g/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.70.45:2404
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.23
Link:
https://yomi.yoroi.company/submissions/b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426

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:Detect_NSIS_Nullsoft_Installer
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

RemcosRAT

zip b266d0ded84c4e9162120175278b2e5996aa05a4dc5d037cd6c50cb15e6c1426

(this sample)

RemcosRAT

Executable exe 8ca7124e0d0abbebeb7089771abe45deb02ce6c49ad9ab3f6d6dc3b9cac09013

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8ca7124e0d0abbebeb7089771abe45deb02ce6c49ad9ab3f6d6dc3b9cac09013
  
Dropping
MD5 0328dfca3ebd3b8c2f7fe7f417222b76

Comments