MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
SHA3-384 hash: db8c8d693c897d7757905cff172ac6477edc9df39311a8dc69572782973ac0aa9800d9c43ecfabca2be42f3289af4f5c
SHA1 hash: 750f7c54690c015ed030ebe6efc2988f74dfb54d
MD5 hash: 4a248ffc46712f92638e289f3ae0babb
humanhash: princess-fillet-blue-fanta
File name:434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:941'368 bytes
First seen:2026-03-30 15:16:31 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash b492aabfbf2837593f4568452d907063 (3 x RemcosRAT, 1 x XWorm)
ssdeep 24576:lzHD6nL0NOPKiOaWDH72rBJYBn/yOgL9usm3t31:Jj6nL0NOPKiOaWDH72rBgn/yOg0sg1
TLSH T1A515BF013C80D031DB9A21715B3EFBBD5A6DA8300B6875DB67D839BA9F605C16F32687
TrID 22.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win64 Executable (generic) (6522/11/2)
17.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.7% (.EXE) Win32 Executable (generic) (4504/4/1)
7.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 0bbaf4f2f2f2b600 (1 x RemcosRAT)
Reporter JAMESWT_WT
Tags:dll je666cs-com mrmcs-supportmanageronline-com remcos RemcosRAT signed

Code Signing Certificate

Organisation:6tNcPD3A
Issuer:6tNcPD3A
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-16T06:47:09Z
Valid to:2027-02-16T06:57:09Z
Serial number: 1efb9662729927af45245d7355e166c0
Thumbprint Algorithm:SHA256
Thumbprint: a6b0d63eb290e952d6092f94dbc9948208ba1af53233b6fff5e78427da4f9c77
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
IT IT
Vendor Threat Intelligence
Gathering data
Gathering data
Detection(s):
YARA.MALPEDIA_Win_Warlock_Auto.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ca94026363ca5d27efdcdb
Tags:
injection ewind virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Connection attempt
Sending a custom TCP request
DNS request
Searching for synchronization primitives
Using obfuscated Powershell scripts
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint microsoft_visual_cc packed packed packer_detected sidewinder signed threat
Link:
https://www.filescan.io/uploads/69ca93fd00ad363694082e89/reports/f84976ca-f185-4a44-9033-022c377a0deb/overview
Verdict:
Malicious
Labled as:
Midie.Generic
Link:
https://www.hybrid-analysis.com/sample/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
Result
Gathering data
Verdict:
Malicious
File Type:
dll x32
First seen:
2026-03-11T10:19:00Z UTC
Last seen:
2026-03-26T22:26:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c831479-9a43-437a-9d18-b67fa3ce3eea
Score:
78%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/4a248ffc46712f92638e289f3ae0babb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9/
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Link:
https://tip.neiki.dev/file/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
Threat name:
Win32.Trojan.Sidewinder
Create hunting rule
Status:
Malicious
First seen:
2026-03-11 19:04:50 UTC
File Type:
PE (Dll)
Extracted files:
1
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=inh6ghex5oglbmfjc6wfqk52f77rdybfirbfczh4u7hokigshh4q._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:donutloader family:remcos botnet:default botnet:resen defense_evasion discovery execution loader persistence rat
Link:
https://tria.ge/reports/260330-sn5x8aat9s/
Behaviour
Kills process with taskkill
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Views/modifies file attributes
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Indicator Removal: Clear Persistence
Looks up external IP address via web service
Network Share Discovery
.NET Reactor proctector
Drops startup file
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Sets file to hidden
AsyncRat
Asyncrat family
Detects DonutLoader
DonutLoader
Donutloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
je666cs.com:6666
je777cs.com:6666
je888cs.com:6666
je999cs.com:6666
mrmcs.supportmanageronline.com:49215
Unpacked files
SH256 hash:
434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9
MD5 hash:
4a248ffc46712f92638e289f3ae0babb
SHA1 hash:
750f7c54690c015ed030ebe6efc2988f74dfb54d
Detections:
win_warlock_auto
Create hunting rule
Link:
https://www.unpac.me/results/62330f85-c935-4234-88d3-194ad287c9c6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.82
Link:
https://yomi.yoroi.company/submissions/434fe31c97eb8cb0b0a917ac582bba2fff11e02544425164fca7cee520d239f9

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:Check_Debugger
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:win_warlock_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.warlock.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/59776/

Comments