MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35077e72a589bccd4ddab3a75c7ff5d90421d4e79c1cc582c610f31e63f3f24b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 35077e72a589bccd4ddab3a75c7ff5d90421d4e79c1cc582c610f31e63f3f24b
SHA3-384 hash: 71d47c501e90f1468790a89069824fa0336aff13d45a0aa2a5bb012ca2f5eb28ea73765dbf4c5960f1d28d3aaea2c018
SHA1 hash: 584a2f3084917bdbce3f9e2f2acaad8c3219f8ff
MD5 hash: bde029c5733cca026ac398e91749fa83
humanhash: india-mirror-speaker-batman
File name:doc_1093983787847_484778333.pdf.vbs
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:244'721 bytes
First seen:2022-05-19 11:22:26 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:bAm2+MAGjf4HzKPHK+c2WlgaWs0ekRIWeCBBE6ujcKXqsRHuIiV1jXtQBy2+846d:M8f9SeQqz1ppuBYOZNGueX
Threatray 12'665 similar samples on MalwareBazaar
TLSH T12D34469182B19FC8D1F83A9FCB0E4621B2018E69A6E3F64C5AF101BD7FC76D54317298
Reporter abuse_ch
Tags:RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/272498/
Detection(s):
SecuriteInfo.com.TrojanDownloader.VBS.Guloader.PKGY.MTB.50.20883.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/628628d4ea9a076a43e508b9/reports/dc0ac9d3-941e-48d9-9de4-2a5a2fc93c06/overview
Result
Verdict:
UNKNOWN
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/997596
Signature
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Very long command line found
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 630092 Sample: doc_1093983787847_484778333... Startdate: 19/05/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected GuLoader 2->49 51 8 other signatures 2->51 8 wscript.exe 2 2->8         started        process3 signatures4 53 Wscript starts Powershell (via cmd or directly) 8->53 55 Very long command line found 8->55 57 Encrypted powershell cmdline option found 8->57 11 powershell.exe 22 8->11         started        process5 signatures6 65 Tries to detect Any.run 11->65 14 ieinstal.exe 2 6 11->14         started        18 csc.exe 3 11->18         started        21 conhost.exe 11->21         started        23 ieinstal.exe 11->23         started        process7 dnsIp8 39 myfrontmannyfour.ddns.net 79.134.225.82, 4939, 49809, 49823 FINK-TELECOM-SERVICESCH Switzerland 14->39 41 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49808 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->41 43 3 other IPs or domains 14->43 67 Tries to detect Any.run 14->67 69 Injects a PE file into a foreign processes 14->69 25 ieinstal.exe 1 14->25         started        28 ieinstal.exe 2 14->28         started        31 ieinstal.exe 14->31         started        35 C:\Users\user\AppData\Local\...\dmufwoau.dll, PE32 18->35 dropped 33 cvtres.exe 1 18->33         started        file9 signatures10 process11 dnsIp12 59 Tries to steal Instant Messenger accounts or passwords 25->59 61 Tries to steal Mail credentials (via file / registry access) 25->61 37 192.168.2.1 unknown unknown 28->37 63 Tries to harvest and steal browser information (history, passwords, etc) 28->63 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/35077e72a589bccd4ddab3a75c7ff5d90421d4e79c1cc582c610f31e63f3f24b/
Threat name:
Script-WScript.Downloader.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-05-18 16:55:22 UTC
File Type:
Text (VBS)
AV detection:
9 of 41 (21.95%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gudx44vfrg6m2to2wotvy77v3eccdvhhtqomlawgcdzr4y7t6jfq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
remcos
Create hunting rule
Similar samples:
1fed413e1cf6bf9886f077ac4ebe4c86b566917bf3b0cd806805acbb89b27558
RemcosRAT
56400d285883e72264ab693e17d3f94bb35df61618891768c8959932b5d9f140
RemcosRAT
576183a33f5247a852bc65a4dc4cbca5762bfbad1291a82572681f7075dc6123
RemcosRAT
625f25dedd3f7e114dc89cff907dfec350df5cbb4efa09942f2b5ed9950c1216
RemcosRAT
6debeb4cbf5037ee3b4d23e3a005dc58ebb0f26ac5f5266e910187a66760a4a0
RemcosRAT
99f100122f5280ac44bc01f3bb7df9d3bd69681335e5f50d4ddfeca6e8ac3cb1
RemcosRAT
cecec27d948d08eca8d94d9393903ce0af037d7375094ad4e988633d27af0415
RemcosRAT
f75fd5ce522743fe012bdf743efc66e481d72d92b6eb0465621a77a4600ff6b5
RemcosRAT
+ 12'655 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:ndubueze 03-may downloader rat
Link:
https://tria.ge/reports/220519-ng9wdaefc7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Checks computer location settings
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
myfrontmannyfour.ddns.net:4939
backupfrontmanny.duckdns.org:4939
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/35077e72a589/report/overview.html
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/35077e72a589bccd4ddab3a75c7ff5d90421d4e79c1cc582c610f31e63f3f24b

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/272498/

Comments