MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288
SHA3-384 hash: 3a54f9d88758eac477fd074f11cc8e773ad226eee6ecebff3033fc688a5fa0fade2f0242b9855baf8cad6a6559a80fc6
SHA1 hash: 2b4e83cfdab5b79ae1aa1b4df8dd4503a9c99deb
MD5 hash: 038112c489a65525aaa6c2ede6c33c2a
humanhash: mars-yellow-hot-december
File name:038112C489A65525AAA6C2EDE6C33C2A.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'358'336 bytes
First seen:2026-06-27 13:00:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'040 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 24576:195B2OVmJ576J2Mcfjtza088n0PEKE/e72kz7fc:7TVme1cI9H0/iXz7
TLSH T1D855026C3522748EC893DC718E74ACB4A7216CBB532BD10359D31DAFBA5E556FE002B2
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 02bea086b0a49e86 (1 x PhantomStealer, 1 x AsyncRAT, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
84.38.129.31:8085

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
84.38.129.31:8085 https://threatfox.abuse.ch/ioc/1837309/

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
ConfuserEx RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8d55ff99-ce97-43be-b64b-a9798a9d08d9/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
038112C489A65525AAA6C2EDE6C33C2A.exe
Verdict:
Malicious activity
Analysis date:
2026-06-27 13:04:11 UTC
Tags:
auto-reg remcos rat
Link:
https://app.any.run/tasks/2c8f73bf-ef2e-400f-9df3-b375876ad703

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72218/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3fc9951548daf709fa3b44
Tags:
crypted cobalt micro remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Deleting a recently created file
Changing a file
Reading critical registry keys
Launching a service
Launching a process
Connection attempt
Searching for synchronization primitives
Moving a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated packed
Link:
https://www.filescan.io/uploads/6a3fc98851b85c0ccdb5fd55/reports/990c84aa-de09-4bfd-b108-d33890cd8ec9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-25T00:29:00Z UTC
Last seen:
2026-06-27T08:53:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fa2293f-cea9-4383-84e3-564f087b679d
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1934477
Signature
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to steal Internet Explorer form passwords
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Creation of an WerFault.exe in Unusual Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses the Windows Restart Manager Abuse for Browser Credential File unlocking
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1934477 Sample: NIcsqjDEi5.exe Startdate: 27/06/2026 Architecture: WINDOWS Score: 100 95 Suricata IDS alerts for network traffic 2->95 97 Found malware configuration 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 21 other signatures 2->101 10 NIcsqjDEi5.exe 1 7 2->10         started        14 powershell.exe 2->14         started        16 wWLCxH.exe 2->16         started        18 2 other processes 2->18 process3 dnsIp4 73 C:\Users\user\AppData\Roaming\wWLCxH.exe, PE32 10->73 dropped 75 C:\Users\user\...\wWLCxH.exe:Zone.Identifier, ASCII 10->75 dropped 77 C:\Users\user\AppData\...\phefsruvhss.ps1, ASCII 10->77 dropped 79 C:\Users\user\AppData\...79IcsqjDEi5.exe.log, ASCII 10->79 dropped 121 Detected unpacking (changes PE section rights) 10->121 123 Detected unpacking (overwrites its own PE header) 10->123 125 Attempt to bypass Chrome Application-Bound Encryption 10->125 131 8 other signatures 10->131 21 NIcsqjDEi5.exe 10 12 10->21         started        26 powershell.exe 23 10->26         started        28 NIcsqjDEi5.exe 10->28         started        30 wWLCxH.exe 14->30         started        32 conhost.exe 14->32         started        127 Adds a directory exclusion to Windows Defender 16->127 129 Injects a PE file into a foreign processes 16->129 34 powershell.exe 16->34         started        36 wWLCxH.exe 16->36         started        38 wWLCxH.exe 16->38         started        83 127.0.0.1 unknown unknown 18->83 40 conhost.exe 18->40         started        file5 signatures6 process7 dnsIp8 85 84.38.129.31, 49683, 49684, 49685 DATACLUB-NLLV Latvia 21->85 63 C:\Users\user\AppData\Local\Temp\THC2B4.tmp, PE32 21->63 dropped 65 C:\Program Filesbehaviorgraphoogle\...\werfault.exe, PE32 21->65 dropped 67 C:\Users\user\AppData\...\cookies.sqlite-shm, data 21->67 dropped 71 3 other malicious files 21->71 dropped 103 Detected Remcos RAT 21->103 105 Tries to harvest and steal browser information (history, passwords, etc) 21->105 107 Writes to foreign memory regions 21->107 109 Uses the Windows Restart Manager Abuse for Browser Credential File unlocking 21->109 42 werfault.exe 12 21->42         started        44 msedge.exe 21->44         started        111 Loading BitLocker PowerShell Module 26->111 46 conhost.exe 26->46         started        69 C:\Windows\Temp\0iwmq4a1.inf, Windows 30->69 dropped 113 Antivirus detection for dropped file 30->113 115 Multi AV Scanner detection for dropped file 30->115 117 Adds a directory exclusion to Windows Defender 30->117 119 Unusual module load detection (module proxying) 30->119 48 cmstp.exe 30->48         started        50 conhost.exe 34->50         started        file9 signatures10 process11 process12 52 chrome.exe 42->52         started        54 msedge.exe 44->54         started        process13 56 chrome.exe 1 52->56         started        dnsIp14 87 192.168.2.4, 138, 443, 49682 unknown unknown 56->87 59 chrome.exe 56->59         started        process15 dnsIp16 89 mr-b01.tm-azurefd.net 150.171.110.178, 443, 49689, 49719 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 59->89 91 mr-z01.tm-azurefd.net 150.171.110.2, 443, 49713 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 59->91 93 14 other IPs or domains 59->93 81 Chrome Cache Entry: 461, PDP-11 59->81 dropped file17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2026-06-25 10:16:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=on3emojkpsecazhcf3fz7qfsomrztzcm5uxvnwdt4zlnaa226kea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost adware collection credential_access discovery execution persistence ransomware rat spyware stealer suricata
Link:
https://tria.ge/reports/260627-p85w6say9y/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
outlook_office_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks installed software on the system
Enumerates connected drives
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Boot or Logon Autostart Execution: Active Setup
Command and Scripting Interpreter: PowerShell
Uses browser remote debugging
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
84.38.129.31:9095
84.38.129.31:8085
Unpacked files
SH256 hash:
737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288
MD5 hash:
038112c489a65525aaa6c2ede6c33c2a
SHA1 hash:
2b4e83cfdab5b79ae1aa1b4df8dd4503a9c99deb
Link:
https://www.unpac.me/results/56a0d365-8e9d-4357-ab45-ff108936c3aa/
SH256 hash:
808a02060e1ba1cc125fcc3dbcc7416e5955a575378a537d7bb276d0ec4932cb
MD5 hash:
8711fc69eab01f93bb56846409ae67d3
SHA1 hash:
975a9824bc861fa81e864fa2e6f55a1f6e52905f
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/56a0d365-8e9d-4357-ab45-ff108936c3aa/
SH256 hash:
2711e60b4d32546c2bd32547355618538dd3ded27e9bf3636d389a5684f125a5
MD5 hash:
325e0c045b671ccf109b371cc77b348b
SHA1 hash:
9b65f87f1f4a836a98d7974a7feff38a7fa4be18
Link:
https://www.unpac.me/results/56a0d365-8e9d-4357-ab45-ff108936c3aa/
SH256 hash:
cb6f45003cc1e1547e8e377bdd8e9a15445119e9b610969d7b857e84722e1d59
MD5 hash:
53c39f839fd2efff0cea32307cecdd1c
SHA1 hash:
e82ba130e7e3a772086955784054c060cc1962d6
Link:
https://www.unpac.me/results/56a0d365-8e9d-4357-ab45-ff108936c3aa/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/737646392a7c/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/737646392a7c882064e22ecb9fc0b2732399e44ced2f56d873e656d0035af288

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

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/72218/

Comments