MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46. 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: 12


Intelligence 12 IOCs YARA File information Comments
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SHA256 hash: 8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46
SHA3-384 hash: 07bccd546e99421faa0f961844b27e451b0f5c1f7485e728f192f504341ae2dbab39737f7dd001a577281297cfc3f53c
SHA1 hash: 2e4aef7df584acaadb5a6e555d6e2f40ae12b6f1
MD5 hash: 52bb72daa6c16c09d4298bd59e12b7d9
humanhash: paris-nine-stream-video
File name:na
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:167'898 bytes
First seen:2024-10-14 09:33:26 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 48:7oa+awjz7eWLB23EfAq6kfAKV6/HQ2UBW1++izpyHBfHLPy3JofufAYfAkhjQ/od:Ea+n7QbzVsdi9yOPtksVKLSAT
TLSH T1C9F32796EA3148C8B7DC9E93BEFC738C3578931FA2CA5EA1939B7452DC2434C918481C
Magika txt
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
114
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.VBS.Heur.Asthma.2.582A2A43.Gen.8435.15812.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670ce5c81d4ef219fa626fbf
Tags:
Powershell Gumen
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/670ce58da3cc924e39fc9f79/reports/3bc91827-71ec-4a45-aa41-166f44f248a6/overview
Verdict:
Malicious
Labled as:
VBS.Asthma.2.582A2A43
Link:
https://www.hybrid-analysis.com/sample/8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46
Result
Verdict:
MALICIOUS
Details
Base64 Encoded URL
Detected an ANSI or UNICODE http:// or https:// base64 encoded URL prefix.
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
Cobalt Strike, Remcos
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Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1533059
Signature
AI detected suspicious sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Delayed program exit found
Detected Cobalt Strike Beacon
Detected Remcos RAT
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
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Obfuscated command line found
PowerShell case anomaly found
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious MSHTA Child Process
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
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 AntiVM3
Yara detected Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1533059 Sample: na.hta Startdate: 14/10/2024 Architecture: WINDOWS Score: 100 63 idabo.duckdns.org 2->63 65 raw.githubusercontent.com 2->65 67 geoplugin.net 2->67 85 Suricata IDS alerts for network traffic 2->85 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 93 19 other signatures 2->93 12 mshta.exe 1 2->12         started        signatures3 91 Uses dynamic DNS services 63->91 process4 signatures5 117 Detected Cobalt Strike Beacon 12->117 119 Suspicious powershell command line found 12->119 121 PowerShell case anomaly found 12->121 15 powershell.exe 3 39 12->15         started        process6 dnsIp7 75 192.3.220.40, 49706, 49708, 80 AS-COLOCROSSINGUS United States 15->75 55 C:\...\seethebestpricewithgoodcookiesm.vbS, Unicode 15->55 dropped 57 C:\Users\user\AppData\...\p44lx5ym.cmdline, Unicode 15->57 dropped 77 Detected Cobalt Strike Beacon 15->77 79 Suspicious powershell command line found 15->79 81 Obfuscated command line found 15->81 83 2 other signatures 15->83 20 wscript.exe 1 15->20         started        23 powershell.exe 21 15->23         started        25 csc.exe 3 15->25         started        28 conhost.exe 15->28         started        file8 signatures9 process10 file11 95 Detected Cobalt Strike Beacon 20->95 97 Suspicious powershell command line found 20->97 99 Wscript starts Powershell (via cmd or directly) 20->99 103 3 other signatures 20->103 30 powershell.exe 7 20->30         started        101 Loading BitLocker PowerShell Module 23->101 59 C:\Users\user\AppData\Local\...\p44lx5ym.dll, PE32 25->59 dropped 33 cvtres.exe 1 25->33         started        signatures12 process13 signatures14 123 Detected Cobalt Strike Beacon 30->123 125 Suspicious powershell command line found 30->125 127 Obfuscated command line found 30->127 35 powershell.exe 15 15 30->35         started        39 conhost.exe 30->39         started        process15 dnsIp16 69 raw.githubusercontent.com 185.199.111.133, 443, 49707 FASTLYUS Netherlands 35->69 105 Writes to foreign memory regions 35->105 107 Injects a PE file into a foreign processes 35->107 41 RegAsm.exe 35->41         started        signatures17 process18 dnsIp19 71 idabo.duckdns.org 135.148.195.248, 49714, 49722, 6875 AVAYAUS United States 41->71 73 geoplugin.net 178.237.33.50, 49723, 80 ATOM86-ASATOM86NL Netherlands 41->73 61 C:\ProgramData\remcos\logs.dat, data 41->61 dropped 109 Contains functionality to bypass UAC (CMSTPLUA) 41->109 111 Detected Remcos RAT 41->111 113 Tries to steal Mail credentials (via file registry) 41->113 115 8 other signatures 41->115 46 RegAsm.exe 41->46         started        49 RegAsm.exe 41->49         started        51 RegAsm.exe 41->51         started        53 RegAsm.exe 41->53         started        file20 signatures21 process22 signatures23 129 Tries to steal Instant Messenger accounts or passwords 46->129 131 Tries to steal Mail credentials (via file / registry access) 46->131 133 Tries to harvest and steal browser information (history, passwords, etc) 49->133
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46/
Threat name:
Script-WScript.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-10-14 08:42:42 UTC
File Type:
Text
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r67wcznqounepp4yiiar5aweu5yvzsdz7vzhfnc2wve563ubhzda._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 collection defense_evasion discovery execution rat spyware stealer
Link:
https://tria.ge/reports/241014-lkbrmsxgkm/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Evasion via Device Credential Deployment
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
idabo.duckdns.org:6875
Dropper Extraction:
https://raw.githubusercontent.com/CryptersAndToolsOficial/ZIP/refs/heads/main/DetahNote_V.jpg%20
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46

File information

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

Web download

RemcosRAT

HTML Application (hta) hta 8fbf6165b0751a47bf9842011e82c4a7715cc879fd7272b45ab549df6e813e46

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3234393/
  
Delivery method
Distributed via web download

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