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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 983062aeeda99cea87f22fb07cb07b6394ace16f3c0fa75bafeb77dee7e6e70b. 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: 983062aeeda99cea87f22fb07cb07b6394ace16f3c0fa75bafeb77dee7e6e70b
SHA3-384 hash: 652cdd54495604274e047d3706555ab5cb076e2fd615e06b99628a1dcfa5b38e1006ba6c5d93209f8270b5775c5d5233
SHA1 hash: 3c6bc4f8f23b4e9f1e8602806d1dea26abcbb213
MD5 hash: f4319268ac5fc006c5f55bc6f346fda5
humanhash: green-emma-lima-ack
File name:192.210.240.101_Audit_EFT.vbs
Download: download sample
Signature RemcosRAT
File size:2'526 bytes
First seen:2022-08-26 20:25:55 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:ZukIlOvLBkBVIZ4hohVdu9uA6MdSgM43VY2bVq/VX0qIe/Iz/p:ULOvLBkBmZph/yuA7L3F/bQ/d0qIsIzh
TLSH T1A551F3CE304B7061A5230CB1ED07386DF871375254FC5981BA56EAC01D7ACACA396DBD
Reporter c_APT_ure
Tags:remcos RemcosRAT vbs

Intelligence


File Origin
# of uploads :
1
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Result
Threat name:
PrivateLoader, Remcos
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Drops PE files to the startup folder
Drops VBS files to the startup folder
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 domain / URL
Multi AV Scanner detection for submitted file
Powershell drops PE file
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Costura Assembly Loader
Yara detected PrivateLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 691120 Sample: 192.210.240.101_Audit_EFT.vbs Startdate: 26/08/2022 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Antivirus detection for URL or domain 2->65 67 5 other signatures 2->67 7 wscript.exe 1 2->7         started        10 wscript.exe 1 2->10         started        12 iexplore.exe 1 72 2->12         started        14 iexplore.exe 1 53 2->14         started        process3 signatures4 69 VBScript performs obfuscated calls to suspicious functions 7->69 71 Wscript starts Powershell (via cmd or directly) 7->71 73 Very long command line found 7->73 16 powershell.exe 14 22 7->16         started        20 powershell.exe 12 7->20         started        22 powershell.exe 10->22         started        24 iexplore.exe 1 33 12->24         started        27 iexplore.exe 27 14->27         started        process5 dnsIp6 41 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 16->41 dropped 49 Writes to foreign memory regions 16->49 51 DLL side loading technique detected 16->51 53 Injects a PE file into a foreign processes 16->53 55 Powershell drops PE file 16->55 29 RegAsm.exe 16->29         started        33 conhost.exe 16->33         started        57 Drops VBS files to the startup folder 20->57 59 Drops PE files to the startup folder 20->59 35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        39 RegAsm.exe 22->39         started        43 192.210.240.101, 49718, 49719, 49727 AS-COLOCROSSINGUS United States 24->43 file7 signatures8 process9 dnsIp10 45 saptransmissions.dvrlists.com 103.231.91.59, 49788, 55026 INTERGRID-AS-APIntergridGroupPtyLtdAU Australia 29->45 47 geoplugin.net 178.237.33.50, 49789, 80 ATOM86-ASATOM86NL Netherlands 29->47 75 Installs a global keyboard hook 29->75 signatures11
Threat name:
Script.Trojan.Heuristic
Status:
Malicious
First seen:
2022-08-24 22:08:53 UTC
File Type:
Text (VBS)
AV detection:
6 of 26 (23.08%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:augb22 rat
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
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:
saptransmissions.dvrlists.com:55026
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
Author:kevoreilly
Description:Remcos Payload
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.

Malspam

RemcosRAT

Visual Basic Script (vbs) vbs 983062aeeda99cea87f22fb07cb07b6394ace16f3c0fa75bafeb77dee7e6e70b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments