MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1c5e602c1646d6f3d05c37e301c7b808b21e3128fea2687821b1348f41a892d. 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: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1c5e602c1646d6f3d05c37e301c7b808b21e3128fea2687821b1348f41a892d
SHA3-384 hash: cfc60994665a08fa8517507d9cc9afb568d74000faa17f4aeaac416fd7293229442d118c0099c3b392c847af8c0b3deb
SHA1 hash: 4215c9aa73a97d09f7756470aa722f8666b11b48
MD5 hash: 14d6eda4c077769c251e386d29b40361
humanhash: earth-gee-november-mexico
File name:rem.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'875 bytes
First seen:2022-02-02 16:04:04 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:WkKfI5pFkc5yd7YAJWzvzFjs3Fe0lmuHNmVjqZAzp5OGX10Air0yFdpnNIgDOKHp:WlI5pFkcoZJYF0eumuHNmVjqZAl5FP67
Threatray 984 similar samples on MalwareBazaar
TLSH T19051885D365BE23895631C63EC479C5D9AF5A10B297C8490BA0C87E00F354BCAB91DCD
Reporter info_sec_ca
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/230339/
Detection(s):
SecuriteInfo.com.Script.SNH-genTrj.9700.9516.UNOFFICIAL
Create hunting rule

Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/932535
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Command shell drops VBS files
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
Detected Remcos RAT
DLL side loading technique detected
Found stalling execution ending in API Sleep call
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Very long command line found
Writes or reads registry keys via WMI
Writes registry values via WMI
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 565023 Sample: rem.vbs Startdate: 02/02/2022 Architecture: WINDOWS Score: 100 88 prda.aadg.msidentity.com 2->88 90 github.com 2->90 92 avatars.githubusercontent.com 2->92 114 Multi AV Scanner detection for domain / URL 2->114 116 Malicious sample detected (through community Yara rule) 2->116 118 Antivirus detection for URL or domain 2->118 120 6 other signatures 2->120 11 wscript.exe 2->11         started        15 wscript.exe 14 2->15         started        17 wscript.exe 13 2->17         started        signatures3 process4 dnsIp5 140 System process connects to network (likely due to code injection or exploit) 11->140 142 Wscript starts Powershell (via cmd or directly) 11->142 144 Very long command line found 11->144 19 powershell.exe 11->19         started        24 cmd.exe 11->24         started        112 edi-serverdata.com 68.65.122.97, 49750, 49755, 49758 NAMECHEAP-NETUS United States 15->112 146 Writes or reads registry keys via WMI 15->146 148 Writes registry values via WMI 15->148 26 powershell.exe 14 20 15->26         started        28 cmd.exe 3 15->28         started        30 powershell.exe 16 17->30         started        32 cmd.exe 17->32         started        signatures6 process7 dnsIp8 98 192.168.2.1 unknown unknown 19->98 80 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 19->80 dropped 82 C:\Users\user\AppData\...\AgileDotNetRT64.dll, PE32+ 19->82 dropped 130 Writes to foreign memory regions 19->130 132 DLL side loading technique detected 19->132 134 Injects a PE file into a foreign processes 19->134 34 RegAsm.exe 19->34         started        38 conhost.exe 19->38         started        40 conhost.exe 24->40         started        100 edi-serverdata.online 198.54.116.189, 443, 49756, 49757 NAMECHEAP-NETUS United States 26->100 136 Powershell drops PE file 26->136 42 conhost.exe 26->42         started        44 RegAsm.exe 26->44         started        84 C:\Users\user\...\rem.vbs:Zone.Identifier, ASCII 28->84 dropped 86 C:\Users\user\AppData\Local\...\rem.vbs, ASCII 28->86 dropped 138 Command shell drops VBS files 28->138 46 conhost.exe 28->46         started        48 conhost.exe 30->48         started        50 RegAsm.exe 30->50         started        52 conhost.exe 32->52         started        file9 signatures10 process11 dnsIp12 94 eter103.dvrlists.com 191.101.130.129, 2050 MAJESTIC-HOSTING-01US Chile 34->94 96 eter101.dvrlists.com 34->96 122 Found stalling execution ending in API Sleep call 34->122 124 Contains functionality to steal Chrome passwords or cookies 34->124 126 Contains functionality to inject code into remote processes 34->126 128 6 other signatures 34->128 54 svchost.exe 34->54         started        56 svchost.exe 34->56         started        signatures13 process14 process15 58 chrome.exe 54->58         started        61 chrome.exe 54->61         started        63 conhost.exe 54->63         started        65 chrome.exe 56->65         started        67 chrome.exe 56->67         started        69 conhost.exe 56->69         started        dnsIp16 108 192.168.2.7 unknown unknown 58->108 110 239.255.255.250 unknown Reserved 58->110 71 chrome.exe 58->71         started        74 chrome.exe 61->74         started        76 chrome.exe 65->76         started        78 chrome.exe 67->78         started        process17 dnsIp18 102 accounts.google.com 142.251.36.77, 443, 49773, 49778 GOOGLEUS United States 71->102 104 googlehosted.l.googleusercontent.com 172.217.23.193, 443, 50042 GOOGLEUS United States 71->104 106 8 other IPs or domains 71->106
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1c5e602c1646d6f3d05c37e301c7b808b21e3128fea2687821b1348f41a892d/
Threat name:
Script-WScript.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2022-02-02 00:57:17 UTC
File Type:
Text (VBS)
AV detection:
9 of 28 (32.14%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3a7a42d1cb828cdb0f1ea382a8859052b7862414cdb3a5e2d623e922d4d00485
RemcosRAT
41c5f1255cce4354260808461f21f81be011b7114a1782e60a28c3092e73f8af
RemcosRAT
6801e72d76e2131ff91a42e054fdcf34f0c024e203b1e314beefe8dee734acf2
RemcosRAT
6862cf51b5546665e90e27a0a188ea8c468097f86b8b5d68fa0521f4cd3a9550
RemcosRAT
c6d5c5389f6a7d7fadca1c538b5408898454aaf5011910e90549e81fb03c0a1c
RemcosRAT
ddfc4415217ec461350071b0965a1132ad43472bdc15980da23c46d8f1da188e
RemcosRAT
ed57a7a3f8709be19e7451aa4fb7b7af9586df41f9d63aefc4b30b8b7a5de90a
RemcosRAT
ef6a74a99e6f3945eda8bd082a0adbcc2df584aff03838ed1b5face974a4a6b7
RemcosRAT
+ 974 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220202-thz1fsbaa6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b1c5e602c1646d6f3d05c37e301c7b808b21e3128fea2687821b1348f41a892d

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_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys

File information

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

Web download

RemcosRAT

Visual Basic Script (vbs) vbs b1c5e602c1646d6f3d05c37e301c7b808b21e3128fea2687821b1348f41a892d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/230339/
  
URLhaus
https://urlhaus.abuse.ch/url/2022304/
  
Delivery method
Distributed via web download

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