MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d21985a34efde10ae60b32f3d1f309da2707f6421bdb78f1da14ec1341b22ec. 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 4 File information Comments

SHA256 hash: 6d21985a34efde10ae60b32f3d1f309da2707f6421bdb78f1da14ec1341b22ec
SHA3-384 hash: b26e107ad6f53dc4e1d94f635dcdb285a49d78400f77775915d7f355b05b62feb72d2fba885754d9c2a09f6b25296961
SHA1 hash: f83d7a757ad08ced53eb84f0e6d69ef1a141215b
MD5 hash: 177fff4a36bd4d8d7b8e92b6796f6c18
humanhash: nine-texas-july-spring
File name:SWIFT_poruka ERSTE BANK ad NOVI SAD.vbs
Download: download sample
Signature RemcosRAT
File size:3'112 bytes
First seen:2022-05-04 13:55:42 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:RBpiboWEDWVnCnUvizJQ31rSYl0UMP1NWVhfb/wKJF60pJ0BdwlPyM:RXizyWT4JQ1rSYlqPuXfkg3JTr
TLSH T10451234D349B393412336B72FC6B148EB9B38743D6690612391AAEE6DD3852CD7CD80C
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
Delayed program exit found
DLL side loading technique detected
Drops PE files to the startup folder
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Powershell drops PE file
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 620337 Sample: SWIFT_poruka ERSTE BANK ad ... Startdate: 04/05/2022 Architecture: WINDOWS Score: 100 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 5 other signatures 2->70 7 wscript.exe 14 2->7         started        11 wscript.exe 14 2->11         started        process3 dnsIp4 38 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49742, 49774 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->38 40 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49741 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 7->40 48 3 other IPs or domains 7->48 82 System process connects to network (likely due to code injection or exploit) 7->82 84 Wscript starts Powershell (via cmd or directly) 7->84 86 Very long command line found 7->86 13 powershell.exe 14 21 7->13         started        18 cmd.exe 1 7->18         started        42 onedrive.live.com 11->42 44 asn5ha.am.files.1drv.com 11->44 46 am-files.fe.1drv.com 11->46 20 powershell.exe 11->20         started        signatures5 process6 dnsIp7 52 l-0004.l-dc-msedge.net 13->52 54 l-0003.l-dc-msedge.net 13->54 60 3 other IPs or domains 13->60 36 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 13->36 dropped 88 Writes to foreign memory regions 13->88 90 DLL side loading technique detected 13->90 92 Injects a PE file into a foreign processes 13->92 94 Powershell drops PE file 13->94 22 RegAsm.exe 13->22         started        25 RegAsm.exe 2 2 13->25         started        28 conhost.exe 13->28         started        96 Drops VBS files to the startup folder 18->96 98 Drops PE files to the startup folder 18->98 30 conhost.exe 18->30         started        56 l-0004.l-dc-msedge.net 20->56 58 l-0003.l-dc-msedge.net 20->58 62 3 other IPs or domains 20->62 32 conhost.exe 20->32         started        34 RegAsm.exe 20->34         started        file8 signatures9 process10 dnsIp11 72 Contains functionality to steal Chrome passwords or cookies 22->72 74 Contains functionality to inject code into remote processes 22->74 76 Contains functionality to steal Firefox passwords or cookies 22->76 78 Delayed program exit found 22->78 50 alliedtrade54321.ddns.net 91.193.75.133, 49778, 8578 DAVID_CRAIGGG Serbia 25->50 80 Installs a global keyboard hook 25->80 signatures12
Threat name:
Script-WScript.Downloader.Nemucod
Status:
Malicious
First seen:
2022-05-04 13:56:07 UTC
File Type:
Text (VBS)
AV detection:
11 of 25 (44.00%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:double rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Blocklisted process makes network request
Remcos
Malware Config
C2 Extraction:
alliedtrade54321.ddns.net:8578
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments