MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f7860172d4e076099724e55875a797b9206365a4e6f52cf93f57371fd7fcc82. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 7f7860172d4e076099724e55875a797b9206365a4e6f52cf93f57371fd7fcc82
SHA3-384 hash: 385809f92ea48c4b810bed12f12431d082cede9231f064c97ae45e29594fb64ddd4b4d5f6d3e3cb3fa47f7d29dda11c8
SHA1 hash: 9877d07720e10928806e166826ce7e2d87946d34
MD5 hash: f448c2476c885591c6227f1b267f1ad7
humanhash: lactose-dakota-fillet-oscar
File name:PO 536120 - Purchase Order R43500 V5560001.vbs
Download: download sample
Signature RemcosRAT
File size:2'454 bytes
First seen:2025-03-01 13:37:24 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:4sKLRxFcGbMH+W9yoB2hjBSJKe/nSz7+95:d0mBH+ToI9BSJKe/no+95
TLSH T16B512E2B7F07E73280B388A9467BA80DE4600553A53E44647E9C4B826F3477CF7C42AE
Magika vba
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex dropper evasive lolbin masquerade obfuscated obfuscated packed powershell regasm
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Bypasses PowerShell execution policy
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 malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 has a suspicious name (potential lure to open the executable)
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
System process connects to network (likely due to code injection or exploit)
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1627141 Sample: PO 536120 - Purchase Order ... Startdate: 01/03/2025 Architecture: WINDOWS Score: 100 34 geoplugin.net 2->34 36 files.catbox.moe 2->36 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 9 other signatures 2->58 9 wscript.exe 16 2->9         started        signatures3 process4 dnsIp5 42 files.catbox.moe 108.181.20.35, 443, 49699 ASN852CA Canada 9->42 30 C:\Temp\sys_exec.ps1, ASCII 9->30 dropped 68 System process connects to network (likely due to code injection or exploit) 9->68 70 VBScript performs obfuscated calls to suspicious functions 9->70 72 Wscript starts Powershell (via cmd or directly) 9->72 74 3 other signatures 9->74 14 powershell.exe 13 9->14         started        file6 signatures7 process8 file9 32 C:\Users\...\JXCJKXCJHKJHXCJHKXCXCJHK.exe, PE32 14->32 dropped 76 Suspicious execution chain found 14->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 14->78 80 Powershell drops PE file 14->80 18 JXCJKXCJHKJHXCJHKXCXCJHK.exe 3 14->18         started        21 conhost.exe 14->21         started        signatures10 process11 signatures12 44 Antivirus detection for dropped file 18->44 46 Multi AV Scanner detection for dropped file 18->46 48 Writes to foreign memory regions 18->48 50 2 other signatures 18->50 23 RegAsm.exe 4 15 18->23         started        process13 dnsIp14 38 103.20.235.209, 2401, 49706 OVERTHEWIRE-AS-APOverTheWirePtyLtdAU Australia 23->38 40 geoplugin.net 178.237.33.50, 49717, 80 ATOM86-ASATOM86NL Netherlands 23->40 28 C:\ProgramData\remcos\logs.dat, data 23->28 dropped 60 Contains functionality to bypass UAC (CMSTPLUA) 23->60 62 Contains functionalty to change the wallpaper 23->62 64 Contains functionality to steal Chrome passwords or cookies 23->64 66 3 other signatures 23->66 file15 signatures16
Threat name:
Script-WScript.Backdoor.Remcos
Status:
Suspicious
First seen:
2025-02-28 15:44:53 UTC
File Type:
Text (VBS)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:new discovery execution rat
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Blocklisted process makes network request
Remcos family
Remcos
Malware Config
C2 Extraction:
103.20.235.209:2401
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:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_tiny_vbs
Author:daniyyell
Description:Detects tiny VBS delivery technique

File information


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

Comments