MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d0dfc2239405eebc7a9d5483492a0225963fae4c110ecbd12f1f39ce1ef937a. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments

SHA256 hash: 8d0dfc2239405eebc7a9d5483492a0225963fae4c110ecbd12f1f39ce1ef937a
SHA3-384 hash: a023fdc1bf41d68bab129ac0f4d4aab5b6145bfd075103cacfd9a6f50c521c89b62ab8bf148bfee6f7b3dcc989805005
SHA1 hash: 1c8b1795011191c4234a6dd12d9a5255d1e4329b
MD5 hash: 996d622338d4a98f43a306ecbb936bef
humanhash: montana-sweet-one-johnny
File name:Report-Slip.vbs
Download: download sample
Signature RemcosRAT
File size:1'893 bytes
First seen:2021-06-29 06:49:50 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:euCGU/Nj3AkFGozgLJD3kUd7gkG6soHqBh0e:euCpd9vyD3Rd7g8NqBx
Threatray 284 similar samples on MalwareBazaar
TLSH ED410030001DEE9ABA39B7F247914CE72DDE483F686A72642581CC3939717D8179C0AF
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
SUSPICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected BrowsingHistoryView browser history reader tool
Yara detected MSILLoadEncryptedAssembly
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441590 Sample: Report-Slip.vbs Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Detected Remcos RAT 2->62 64 5 other signatures 2->64 10 wscript.exe 2 2->10         started        process3 file4 42 C:\Users\Public\Downloads42EW.ps1, ASCII 10->42 dropped 74 VBScript performs obfuscated calls to suspicious functions 10->74 76 Wscript starts Powershell (via cmd or directly) 10->76 78 Bypasses PowerShell execution policy 10->78 14 powershell.exe 17 23 10->14         started        signatures5 process6 dnsIp7 52 ia601404.us.archive.org 207.241.227.124, 443, 49706 INTERNET-ARCHIVEUS United States 14->52 44 C:\Users\Public\Run\.vbs, ASCII 14->44 dropped 46 C:\Users\Public\.ps1, ASCII 14->46 dropped 56 Creates an undocumented autostart registry key 14->56 19 wscript.exe 1 14->19         started        22 conhost.exe 14->22         started        file8 signatures9 process10 signatures11 66 Wscript starts Powershell (via cmd or directly) 19->66 24 powershell.exe 14 19->24         started        process12 dnsIp13 50 ia601406.us.archive.org 207.241.227.126, 443, 49719 INTERNET-ARCHIVEUS United States 24->50 70 Writes to foreign memory regions 24->70 72 Injects a PE file into a foreign processes 24->72 28 aspnet_compiler.exe 24->28         started        31 aspnet_compiler.exe 2 2 24->31         started        34 conhost.exe 24->34         started        36 aspnet_compiler.exe 24->36         started        signatures14 process15 dnsIp16 80 Contains functionality to steal Chrome passwords or cookies 28->80 82 Contains functionality to inject code into remote processes 28->82 84 Contains functionality to steal Firefox passwords or cookies 28->84 86 Delayed program exit found 28->86 54 185.19.85.168, 49720, 49729, 8888 DATAWIRE-ASCH Switzerland 31->54 88 Installs a global keyboard hook 31->88 90 Injects a PE file into a foreign processes 31->90 38 aspnet_compiler.exe 2 31->38         started        signatures17 process18 dnsIp19 48 192.168.2.1 unknown unknown 38->48 68 Tries to harvest and steal browser information (history, passwords, etc) 38->68 signatures20
Threat name:
Script.Downloader.Heuristic
Status:
Malicious
First seen:
2021-06-29 06:50:14 UTC
AV detection:
3 of 46 (6.52%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
185.19.85.168:8888
Dropper Extraction:
https://ia601404.us.archive.org/7/items/bypass_98778/bypass_98778.TXT
https://ia601406.us.archive.org/5/items/server-77251/Server_77251.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:ach_RemcosRAT
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

Comments