MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad11779af615915a55700a6c132fb70d89fa73d3ce4901a031744b712a9f9bdc. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: ad11779af615915a55700a6c132fb70d89fa73d3ce4901a031744b712a9f9bdc
SHA3-384 hash: 0156031525605538cc908f88d055fbffcc6e94e2b16ed597e4717a748a323cb4e29763c227d7f943183711f5466aee30
SHA1 hash: bfaf0f0c7257c31cd80bba005546e9009db6da5c
MD5 hash: 9e581ac6d1d5b1e8c998ac76e072e5de
humanhash: lima-sierra-william-mississippi
File name:G4567645.LNK
Download: download sample
Signature RemcosRAT
File size:202'543 bytes
First seen:2025-05-20 08:55:58 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 6144:y2KyuVsIdlrLVj2NV6dzYg2KZ0hDVBt+B9sW3p:yXfsWlFjW6dM3K03t+Ey
TLSH T13614F241CB6F3F8DFD2955FC057E294A8C996C323D11C8F5CE9F10CA4224AAB56A3927
Magika lnk
Reporter abuse_ch
Tags:lnk RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
80
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Tags:
crypted shell lien remo
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Payload URLs
URL
File name
https://huadongrubbercable.com/priests/r.txt','C:\\ProgramData\\HEW.GIF');
LNK File
Behaviour
BlacklistAPI detected
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Detected Remcos RAT
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
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
Powershell drops PE file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell Base64 Encoded MpPreference 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)
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Powershell download and execute
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1694705 Sample: G4567645.LNK.lnk Startdate: 20/05/2025 Architecture: WINDOWS Score: 100 33 huadongrubbercable.com 2->33 35 geoplugin.net 2->35 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 22 other signatures 2->59 9 powershell.exe 14 22 2->9         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 41 huadongrubbercable.com 198.54.114.164, 443, 49717 NAMECHEAP-NETUS United States 9->41 31 C:\ProgramData\CHROME.PIF, PE32 9->31 dropped 71 Drops PE files with a suspicious file extension 9->71 73 Found suspicious powershell code related to unpacking or dynamic code loading 9->73 75 Powershell drops PE file 9->75 16 CHROME.PIF 4 9->16         started        19 conhost.exe 1 9->19         started        43 127.0.0.1 unknown unknown 14->43 file6 signatures7 process8 signatures9 45 Windows shortcut file (LNK) starts blacklisted processes 16->45 47 Multi AV Scanner detection for dropped file 16->47 49 Writes to foreign memory regions 16->49 51 3 other signatures 16->51 21 RegSvcs.exe 4 14 16->21         started        25 powershell.exe 23 16->25         started        process10 dnsIp11 37 196.251.115.153, 3431, 49723 xneeloZA Seychelles 21->37 39 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 21->39 61 Contains functionality to bypass UAC (CMSTPLUA) 21->61 63 Detected Remcos RAT 21->63 65 Contains functionalty to change the wallpaper 21->65 69 3 other signatures 21->69 67 Loading BitLocker PowerShell Module 25->67 27 WmiPrvSE.exe 25->27         started        29 conhost.exe 25->29         started        signatures12 process13
Threat name:
Script-PowerShell.Backdoor.Remcos
Status:
Malicious
First seen:
2025-05-20 08:42:49 UTC
File Type:
Binary
Extracted files:
1
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.115.153:3431
Dropper Extraction:
https://huadongrubbercable.com/priests/r.txt
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:SUSP_LNK_SuspiciousCommands
Author:Florian Roth (Nextron Systems)
Description:Detects LNK file with suspicious content

File information


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

Comments