MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 609a16ffa13df1fd79da212b845de32a12bcaecfebd3ad87b07cdc50f7a29d8b. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: 609a16ffa13df1fd79da212b845de32a12bcaecfebd3ad87b07cdc50f7a29d8b
SHA3-384 hash: 41448812fc3d31c99d11d830f2e3484bf754a2ae90cc768737ec089f197dd1fdc01f7ddd6bfd3baef8fd4f9ae81bcd6c
SHA1 hash: cf5704b5809fa98d3212bde86459db55ee1aefe0
MD5 hash: 794f1e7c08ede5fc8d735b3746e0e358
humanhash: march-river-texas-alaska
File name:TC and AE Governor overhauling, spares_XLSX.JS
Download: download sample
Signature RemcosRAT
File size:17'643'249 bytes
First seen:2025-06-09 11:54:20 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:jTCh2ZNqQ1NQAP8asw6B2YZN5fBb0PuadhuQu:TZNqQ1NQ9a2B2+b0PuchuQu
TLSH T15E07965B3DF1948A219818E1EF234DF91E35EA79CCEE6C8DFAD4D10C291C672908697C
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
48
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
autorun delphi emotet
Result
Threat name:
Remcos, DBatLoader
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files with a suspicious file extension
Found hidden mapped module (file has been removed from disk)
Found malware configuration
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1709503 Sample: TC and AE Governor overhaul... Startdate: 09/06/2025 Architecture: WINDOWS Score: 100 51 steadypressure.duckdns.org 2->51 53 greatyear.duckdns.org 2->53 55 3 other IPs or domains 2->55 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 71 9 other signatures 2->71 9 wscript.exe 1 2 2->9         started        12 rundll32.exe 3 2->12         started        signatures3 69 Uses dynamic DNS services 53->69 process4 signatures5 83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->83 14 HEO.PIF 9 9->14         started        18 Admvtmsw.PIF 12->18         started        process6 file7 47 C:\Users\user\Links\wsmtvmdA.pif, PE32 14->47 dropped 49 C:\Users\user\Links\Admvtmsw.PIF, PE32 14->49 dropped 85 Drops PE files with a suspicious file extension 14->85 87 Writes to foreign memory regions 14->87 89 Allocates memory in foreign processes 14->89 91 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->91 20 wsmtvmdA.pif 2 1 14->20         started        24 cmd.exe 1 14->24         started        26 cmd.exe 1 14->26         started        31 2 other processes 14->31 93 Sample uses process hollowing technique 18->93 95 Allocates many large memory junks 18->95 28 wsmtvmdA.pif 3 18->28         started        signatures8 process9 dnsIp10 45 C:\Users\user\AppData\Local\Temp\TH8A68.tmp, PE32 20->45 dropped 73 Contains functionality to bypass UAC (CMSTPLUA) 20->73 75 Detected unpacking (changes PE section rights) 20->75 77 Detected Remcos RAT 20->77 81 7 other signatures 20->81 33 iexplore.exe 20->33         started        79 Uses schtasks.exe or at.exe to add and modify task schedules 24->79 35 conhost.exe 24->35         started        37 conhost.exe 26->37         started        39 schtasks.exe 1 26->39         started        57 greatyear.duckdns.org 192.169.69.26, 2025, 2520, 49690 WOWUS United States 28->57 59 steadypressure.duckdns.org 64.64.112.138, 2404, 49698, 49703 INCERO-HVVCUS United States 28->59 61 dripnfinesse.duckdns.org 194.9.1.2, 49695, 49701, 49706 DENIC-ANYCAST-ASDNSanycastASobjectforDEDNSservice unknown 28->61 41 conhost.exe 31->41         started        43 conhost.exe 31->43         started        file11 signatures12 process13
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader discovery execution trojan
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments