MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3. 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: 20


Intelligence 20 IOCs 1 YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3
SHA3-384 hash: 026a043e34d01354e15fcb6d9dd97d7906226d3a9f48439767a9f83a157d998cfef06d035c54715d2f8cf0b8214d36e9
SHA1 hash: 22da5112ecf9746c905c5b5bc1f131a95d0a984b
MD5 hash: 4f6e839528e8ce9baabccef5108a7627
humanhash: connecticut-autumn-aspen-november
File name:17714067070c6e1a6a0e8570928419086f4745c2317b9.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:507'392 bytes
First seen:2026-02-18 10:00:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a3bdf3c5b9bd3972e77fa90dce8f2d (53 x RemcosRAT)
ssdeep 12288:i6pxxGI8gvGOHJpAbDYGxLhZ+sPZtqmPFN:i6pxxx8U+bDYGxLhZtZfPF
TLSH T130B49E01B6D2C1B2D57654300D26E775DEBCBD2028369A7BB3DA0D57F970180AB39BB2
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
172.94.100.227:29810

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
172.94.100.227:29810 https://threatfox.abuse.ch/ioc/1750355/

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Link:
https://research.acce.ciphertechsolutions.com/results/a7458928-684d-4b48-8939-97a1e67b0631/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
17714067070c6e1a6a0e8570928419086f4745c2317b9.exe
Verdict:
Malicious activity
Analysis date:
2026-02-18 10:31:12 UTC
Tags:
rat remcos stealer mpress remote
Link:
https://app.any.run/tasks/dd85c068-6bf2-454b-be08-b314424c2e81

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/53697/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69958dc42d369b1ab284fe4e
Tags:
remcos lien
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos rescoms rundll32 unsafe windows
Link:
https://www.filescan.io/uploads/69958dbe10e80629d4e874f3/reports/8608b4a0-00a8-4013-8af8-cd50e6575363/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-28T08:13:00Z UTC
Last seen:
2026-02-05T14:48:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a39f210-8df0-4604-aab2-725c39fb588b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1871063
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1871063 Sample: 17714067070c6e1a6a0e8570928... Startdate: 18/02/2026 Architecture: WINDOWS Score: 100 27 daroughgan8hajous2.duckdns.org 2->27 29 daroughgan8hajous1.duckdns.org 2->29 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 43 9 other signatures 2->43 7 17714067070c6e1a6a0e8570928419086f4745c2317b9.exe 4 4 2->7         started        signatures3 41 Uses dynamic DNS services 29->41 process4 dnsIp5 31 daroughgan8hajous1.duckdns.org 192.169.69.25, 29810, 29811, 49693 WOWUS United States 7->31 33 daroughgan8hajous2.duckdns.org 172.94.100.227, 29810, 49695, 49696 SOFTLAYERUS United States 7->33 19 C:\Users\user\AppData\Local\Temp\TH5817.tmp, MS-DOS 7->19 dropped 21 C:\Users\user\AppData\Local\Temp\TH56CE.tmp, MS-DOS 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\TH566F.tmp, MS-DOS 7->23 dropped 25 C:\Users\user\AppData\Roaming\walkroess.dat, data 7->25 dropped 45 Contains functionality to bypass UAC (CMSTPLUA) 7->45 47 Contains functionalty to change the wallpaper 7->47 49 Contains functionality to steal Chrome passwords or cookies 7->49 51 6 other signatures 7->51 12 RmClient.exe 2 7->12         started        15 RmClient.exe 1 7->15         started        17 RmClient.exe 1 7->17         started        file6 signatures7 process8 signatures9 53 Tries to steal Mail credentials (via file registry) 12->53 55 Tries to harvest and steal browser information (history, passwords, etc) 12->55 57 Unusual module load detection (module proxying) 12->57 59 Tries to steal Instant Messenger accounts or passwords 15->59 61 Tries to steal Mail credentials (via file / registry access) 15->61
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-01-28 20:08:08 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2h7ooc3injeb6435ypx3w3gl5uorioext3pwwhacn4q6xs6zhjq._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
remcos
Create hunting rule
admintool_mailpassview
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:last collection discovery
Link:
https://tria.ge/reports/260218-l1xztafx7b/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
Malware Config
C2 Extraction:
daroughgan8hajous1.duckdns.org:29810
daroughgan8hajous1.duckdns.org:29811
daroughgan8hajous2.duckdns.org:29810
daroughgan8hajous3.duckdns.org:29810
daroughgan8hajous4.duckdns.org:29810
daroughgan8hajous5.duckdns.org:29810
daroughgan.com:29810
daroughgan.com:29811
Unpacked files
SH256 hash:
668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3
MD5 hash:
4f6e839528e8ce9baabccef5108a7627
SHA1 hash:
22da5112ecf9746c905c5b5bc1f131a95d0a984b
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/c0ec2dc0-6fc6-4762-be6a-cedefeb2dcc8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/668ff7385b43/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/668ff7385b435240fb9bee1f7ddb665f68e8a1c4bcf6fb58e013790f5e5ec9d3

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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/53697/

Comments