MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea. 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: 18


Intelligence 18 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
SHA3-384 hash: 9a12f5733fc2aaa7b88680af5f5e2ab1928f3ce02cdff5cb298f70f9b0d491821e5775a562a0049b0f746e8000586198
SHA1 hash: 315c0702949e2c6277c364f2e31a942b1c945807
MD5 hash: 5a64986e76d127cbf4a59671888669d8
humanhash: uranus-whiskey-wolfram-tango
File name:KENCOA KOREA RFQ-2025-10-08 AL PLT 4th Quater 1st 2nd 3rd.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'294'848 bytes
First seen:2025-10-08 16:42:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 91d07a5e22681e70764519ae943a5883 (120 x Formbook, 32 x a310Logger, 27 x AgentTesla)
ssdeep 24576:btb20pkaCqT5TBWgNQ7agwsMLTxV/kYRXVd06A:YVg5tQ7agwTL/kYna5
Threatray 2'735 similar samples on MalwareBazaar
TLSH T1FB55D01273DEC365C7B25273BA15B701AEBF782506B1F96B2FD4093DE920122521EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KENCOA KOREA RFQ-2025-10-08 AL PLT 4th Quater 1st 2nd 3rd.exe
Verdict:
No threats detected
Analysis date:
2025-10-08 16:43:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3d80b92e-b4f4-4a79-8a69-48ffb576296e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/31162/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e6947f7f305fa2545daa07
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Creating a file
Connection attempt
Sending a custom TCP request
Blocking the User Account Control
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68e69479d4a0085473c44fec/reports/3c35f4b4-9a9b-42a7-8240-7f5222c5d9e6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-08T09:50:00Z UTC
Last seen:
2025-10-09T13:14:00Z UTC
Hits:
~1000
Detections:
Trojan-Spy.Win32.Stealer.sb Trojan-Dropper.Win32.Injector.qcik Trojan.Win32.Reconyc.sb Trojan.Win32.Auzenpak.sb Backdoor.Win32.Remcos.aasm Trojan.Win32.Inject.sb Backdoor.Win32.Remcos.e Trojan-Spy.Win64.Agent.sb Trojan-Dropper.Win32.Injector Trojan-Spy.Win32.Xegumumune.sbc Trojan.Win32.Zenpak.sb Trojan.Win32.PoverTel.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Greedy.sb Trojan.Win32.Agent.sb Trojan.Win32.Strab.sb Backdoor.Win32.Remcos.sb not-a-virus:HEUR:PSWTool.Win32.PassView.c not-a-virus:HEUR:PSWTool.Win32.PassView.a not-a-virus:HEUR:PSWTool.Win32.PassView.b
Link:
https://opentip.kaspersky.com/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d76d99ec-c99e-4a3b-ba48-79b7bf5ef644
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/5a64986e76d127cbf4a59671888669d8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-10-08 15:10:55 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxifkkvcblsl5q7udau2x646hn4xkev4zhg3tzsfjnr7njtsptva._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
remcos
Create hunting rule
Similar samples:
01737d303e26dbb7b5dee87076382b4d81162ae73bf4faaeaf0bf29d0c6fc66d
RemcosRAT
675456ff0fc4d1f3c27d1f0493a8f99a46397d63d49fb225e51975a288630f1a
RemcosRAT
90b33d8252b9470d19ac4aff278e6470c04bafe0a04cf143b61880257ca13157
RemcosRAT
9e08235a1ee9df4857b8bdb391e552272f34f7d517a1e2aadea599ce7cfb0da4
RemcosRAT
error
RemcosRAT
faccf8d466113be926dc374092d8424d02329e469b4984d7f988b1a8cd1d1aa3
RemcosRAT
+ 2'725 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos defense_evasion discovery rat trojan
Link:
https://tria.ge/reports/251008-t7wz4ay1fz/
Behaviour
Modifies registry key
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
bv0n1d6w.duckdns.org:39402
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a5b1ce69-4f94-47ec-8714-e7206398d252
Unpacked files
SH256 hash:
b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
MD5 hash:
5a64986e76d127cbf4a59671888669d8
SHA1 hash:
315c0702949e2c6277c364f2e31a942b1c945807
Link:
https://www.unpac.me/results/5f999ba5-8a63-4d3c-b650-8080ee3883f7/
SH256 hash:
13097ec75f27e5a0e91f57aa2c347659ef8c8882037b349e9701969f5aed6e93
MD5 hash:
fd75ddd3ed2b99c817bcf4b04d7b4041
SHA1 hash:
d50bcf8cd26ce12dfc2e577d944e683e391ec5ca
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/5f999ba5-8a63-4d3c-b650-8080ee3883f7/
Parent samples :
6420f123d8cfbc66464721f3871561242a8b6db462b85ad3f444d8c938267c5e
b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea
fc6794d524e035e0364834bcaeb81076eb0d5624c604e13006843e123acfa721
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5d0552aa20a/report/overview.html
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/b5d0552aa20ae4bec3f41829abfb9e3b797512bcc9cdb9e6454b63f6a6727cea

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
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: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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:pe_detect_tls_callbacks
Create hunting rule
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover
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.

Cape
Cape
https://www.capesandbox.com/analysis/31162/

Comments