MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d. 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: 6


Intelligence 6 IOCs YARA 32 File information Comments
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SHA256 hash: c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d
SHA3-384 hash: 54801b57073aec89c471d3f6dab880a0e01b3e3c8a70eb2d25996536d8dbaa0b490f323a0c2425c66d0f2e61a207670b
SHA1 hash: e1822eff6d482eb32a8c53c274b547a0649119cd
MD5 hash: 2806ba2f7552e898a2fc0efa2161c965
humanhash: early-april-paris-potato
File name:Annexure_-_Specifications.zip
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'322'587 bytes
First seen:2026-07-03 18:02:47 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 49152:OoaseWrVvqr5L7CQzqwmkbEqOCIYHCD6CGBdGnx6q1UmC8Mm3llVotIb8S:OoaseCVytL/TErYHO6FBdE6q1+8T3llX
TLSH T1BEB53311D22F844B31FF66239512FA456EA99383DC3F2C77343796E85A007CAC5ABA53
Magika zip
Reporter TomU
Tags:RemcosRAT zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
92
Origin country :
CH CH
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:Company profile_and_Specifications.pdf
File size:695 bytes
SHA256 hash: 720024be0ca4b400a8e6ff3afe758fc22ea3b4310b4030c01faa25e9a9ddae28
MD5 hash: 92db68a5d0166b6c97a6945601e1f664
MIME type:application/pdf
Signature RemcosRAT
File name:Annexure - Specifications.js
File size:3'266'947 bytes
SHA256 hash: 85564a1a23b7e97d0cc205cca6783aa5e67a8c22b63f360b069ea8ed5462ac1d
MD5 hash: 0c871f4eee5af94f3cba5fde93f23149
MIME type:text/plain
Signature RemcosRAT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/41eef92c-9ef5-4ef2-9689-88dbca89883f/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a467c9b949bf83c342ba72a
Tags:
vmdetect cobalt
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a47f9d4df45f8126e1559c3/reports/5bf275dd-5c2d-4839-932e-4e568bc76e12/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d
Verdict:
Malicious
File Type:
zip
First seen:
2026-07-01T08:38:00Z UTC
Last seen:
2026-07-01T08:46:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Script.Generic HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan-Downloader.Script.Generic
Link:
https://opentip.kaspersky.com/c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d/results?tab=lookup
Score:
10%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Zip Archive
Link:
https://app.malva.re/file/2806ba2f7552e898a2fc0efa2161c965
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d/
Threat name:
Win32.Trojan.Suschil
Create hunting rule
Status:
Malicious
First seen:
2026-07-01 17:56:38 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
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/c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d

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:Base64_Encoded_Powershell_Directives
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Remcos_921ef449
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

zip c1bb7171e2f0316fc8f48b16387a1df989baea568b8c1632c687c6486fc2dd0d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments