MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4308a4f09494d5d09cb8383c8032c665267d9c88d12c54e3a6ebbbed820df9f5. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 4308a4f09494d5d09cb8383c8032c665267d9c88d12c54e3a6ebbbed820df9f5
SHA3-384 hash: 89ae3f77adc05b5baaf109e91d21e1a24a1a2618858dff4ee00d2572f1661e6f49fb5877db6ff6b657e94aa543d19a34
SHA1 hash: e367cce6bedb5c8b9520d6fe6c2491429a2df792
MD5 hash: eb7ea88f4712635b3ea3d6c625f4eda5
humanhash: bravo-delaware-angel-neptune
File name:RFQ Main Air Compressor_DOC.LNK
Download: download sample
Signature RemcosRAT
File size:202'623 bytes
First seen:2025-07-12 17:37:14 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 6144:f8rIj7VWxxoeCe7bizap98IfiajB+XhaOgKDwQj6nY:fyIHsxxoeCe/izaAIqSB+xaON4Y
Threatray 1'177 similar samples on MalwareBazaar
TLSH T11314F145DB262FDEFD3906FC095F5A0988CC5C322D21D4EB9A8F128B4114AD955B392F
Magika lnk
Reporter abuse_ch
Tags:lnk RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
SE SE
Vendor Threat Intelligence
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Payload URLs
URL
File name
https://sgsmtp12.sgcloudhosting.com/d/venturashiprepair.com.sg/!kBspg/X8PJ861Y9Q1V','C:\\ProgramData\\HEW.GIF');
LNK File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
evasive masquerade powershell
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 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
Encrypted powershell cmdline option found
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
Installs new ROOT certificates
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sample uses process hollowing technique
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell DownloadFile
Sigma detected: Remcos
Sigma detected: Suspicious PowerShell Download and Execute Pattern
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734830 Sample: RFQ Main Air Compressor_DOC... Startdate: 12/07/2025 Architecture: WINDOWS Score: 100 55 maxpressure.duckdns.org 2->55 57 sgsmtp12.sgcloudhosting.com 2->57 59 3 other IPs or domains 2->59 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 79 19 other signatures 2->79 9 powershell.exe 14 22 2->9         started        14 rundll32.exe 3 2->14         started        16 svchost.exe 1 1 2->16         started        signatures3 77 Uses dynamic DNS services 55->77 process4 dnsIp5 61 sgsmtp12.sgcloudhosting.com 103.7.10.179, 443, 49683, 49688 USONYX-AS-APUSONYXPTELTDSG Singapore 9->61 51 C:\ProgramData\CHROME.PIF, PE32 9->51 dropped 95 Installs new ROOT certificates 9->95 97 Drops PE files with a suspicious file extension 9->97 99 Found suspicious powershell code related to unpacking or dynamic code loading 9->99 101 Powershell drops PE file 9->101 18 CHROME.PIF 8 9->18         started        22 conhost.exe 1 9->22         started        24 Ksitfcwp.PIF 14->24         started        63 127.0.0.1 unknown unknown 16->63 file6 signatures7 process8 file9 47 C:\Users\user\Links\pwcftisK.pif, PE32 18->47 dropped 49 C:\Users\user\Links\Ksitfcwp.PIF (copy), PE32 18->49 dropped 81 Windows shortcut file (LNK) starts blacklisted processes 18->81 83 Multi AV Scanner detection for dropped file 18->83 85 Drops PE files with a suspicious file extension 18->85 93 2 other signatures 18->93 26 pwcftisK.pif 4 16 18->26         started        31 cmd.exe 1 18->31         started        33 cmd.exe 1 18->33         started        37 2 other processes 18->37 87 Writes to foreign memory regions 24->87 89 Allocates memory in foreign processes 24->89 91 Sample uses process hollowing technique 24->91 35 pwcftisK.pif 24->35         started        signatures10 process11 dnsIp12 65 fewdays.freeddns.org 194.59.31.23, 2500 COMBAHTONcombahtonGmbHDE Germany 26->65 67 newera.kozow.com 194.59.31.4, 49698, 6520 COMBAHTONcombahtonGmbHDE Germany 26->67 69 2 other IPs or domains 26->69 53 C:\ProgramData\remcos\logs.dat, data 26->53 dropped 103 Contains functionality to bypass UAC (CMSTPLUA) 26->103 105 Detected unpacking (changes PE section rights) 26->105 107 Detected Remcos RAT 26->107 111 4 other signatures 26->111 109 Uses schtasks.exe or at.exe to add and modify task schedules 31->109 39 conhost.exe 31->39         started        41 conhost.exe 33->41         started        43 schtasks.exe 1 33->43         started        45 conhost.exe 37->45         started        file13 signatures14 process15
Verdict:
Malware
YARA:
4 match(es)
Tags:
Batch Command DeObfuscated Execution: CMD in LNK Execution: PowerShell in LNK LNK LOLBin LOLBin:powershell.exe Malicious PowerShell PowerShell Call T1059.001 T1059.003 T1202: Indirect Command Execution T1204.002
Threat name:
Script-PowerShell.Trojan.Boxter
Status:
Malicious
First seen:
2025-07-10 12:04:34 UTC
File Type:
Binary
Extracted files:
1
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
modiloader
Score:
  10/10
Tags:
family:modiloader discovery execution persistence trojan
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Malware Config
Dropper Extraction:
https://sgsmtp12.sgcloudhosting.com/d/venturashiprepair.com.sg/!kBspg/X8PJ861Y9Q1V
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Download_in_LNK
Author:@bartblaze
Description:Identifies download artefacts in shortcut (LNK) files.
Rule name:Large_filesize_LNK
Author:@bartblaze
Description:Identifies shortcut (LNK) file larger than 100KB. Most goodware LNK files are smaller than 100KB.
Rule name:PS_in_LNK
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:Script_in_LNK
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_SuspiciousCommands
Author:Florian Roth (Nextron Systems)
Description:Detects LNK file with suspicious content
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments