MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf. 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 1 YARA 37 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf
SHA3-384 hash: e902098a946bb6d6ce75c740e9f1edbbaa75348444e644f3a3de708b75766fa9c415a1a913fd22e625e4918c968fe6be
SHA1 hash: 1e058ae41105f3acca091b5206f184b27c97c865
MD5 hash: 750c4fc182cff360d06d1c8fca1b627c
humanhash: may-network-arizona-arkansas
File name:1000000244509Project_detials.zip
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'303'898 bytes
First seen:2026-07-24 12:16:08 UTC
Last seen:2026-07-24 12:17:43 UTC
File type: zip
MIME type:application/zip
ssdeep 49152:C6mCe6dGxYlk1OYh4aogyraCxKa5KZayTFiWwDz8JRVxMNVXaJN4dvy:LWSlWIJFga5KnTFiWIwJryNxbdvy
TLSH T1EBB5338703C3F31CD6506B21DA02C12F4E2B991E971E62E79CB7661F649DCC8992E973
Magika zip
Reporter TomU
Tags:RemcosRAT zip

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
133.18.107.191:4440 https://threatfox.abuse.ch/ioc/1845896/

Intelligence

File Origin
# of uploads :
2
# of downloads :
90
Origin country :
CH CH
File Archive Information

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

File name:Project detials.pdf
File size:695 bytes
SHA256 hash: 720024be0ca4b400a8e6ff3afe758fc22ea3b4310b4030c01faa25e9a9ddae28
MD5 hash: 92db68a5d0166b6c97a6945601e1f664
MIME type:application/pdf
Signature RemcosRAT
File name:1000000244509.js
File size:3'230'124 bytes
SHA256 hash: 73555e0295eb358b1eeff4e4cefbc975af335c0f67cbd5c652b2d67acd37cbfe
MD5 hash: 81dc08bc1544bcffcad0fe6c8e7221bb
MIME type:text/plain
Signature RemcosRAT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/656291d3-fe53-4356-a33c-318d86f56526/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6a63586ae18e7a43a1e99e16/reports/a9e4f2d5-3bdc-40f2-80ab-f669a1c20786/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf
Verdict:
Malicious
File Type:
zip
First seen:
2026-07-07T06:40:00Z UTC
Last seen:
2026-07-24T10:19:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Zip Archive
Link:
https://app.malva.re/file/750c4fc182cff360d06d1c8fca1b627c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-07-24 12:26:43 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost adware defense_evasion discovery execution rat spyware suricata
Link:
https://tria.ge/reports/260724-p3xnlsem5t/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
133.18.107.191:4440
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/aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf

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 aabc19df45e3e110ccb8f1bbd18a6b97ece75b3fb484c99e3082e467d52173bf

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments