MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4. 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
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SHA256 hash: 22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4
SHA3-384 hash: 24086e09641a3a0f92df24ea834f863d956a9aed7cecb9264f6154ce5fb7494dfe1dd6c7d1894e9975afa98bf7a3c21f
SHA1 hash: af1acfa349518ffc1c490211c5e3179d597e2cab
MD5 hash: 88db701ebe8c84654bfcb5b3a7c3cf10
humanhash: fix-blue-timing-nine
File name:transaction_completed11002214991.vbs
Download: download sample
Signature RemcosRAT
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File size:2'140 bytes
First seen:2021-06-25 06:54:50 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:fB+VtSwD2B+V6twyXF0pttAgLh3kU5gkG9obqBb+:fAtSwD2A6twSF0e63R5gWqBb+
Threatray 277 similar samples on MalwareBazaar
TLSH 6041CF30882EAA9A7C7673F347910CFA3DEE4C7F18AD71582441C83939751D8569C09F
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/168246/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.4915.28815.19416.UNOFFICIAL
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Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/807957
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 steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MSILLoadEncryptedAssembly
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 440368 Sample: transaction_completed110022... Startdate: 25/06/2021 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Detected Remcos RAT 2->59 61 4 other signatures 2->61 10 wscript.exe 2 2->10         started        process3 file4 41 C:\Users\Public\Downloads\Run.ps1, ASCII 10->41 dropped 73 VBScript performs obfuscated calls to suspicious functions 10->73 75 Wscript starts Powershell (via cmd or directly) 10->75 77 Bypasses PowerShell execution policy 10->77 14 powershell.exe 17 24 10->14         started        signatures5 process6 dnsIp7 51 ia601408.us.archive.org 207.241.227.128, 443, 49739 INTERNET-ARCHIVEUS United States 14->51 43 C:\Users\Public\Run\.vbs, ASCII 14->43 dropped 45 C:\Users\Public\.ps1, ASCII 14->45 dropped 53 Creates an undocumented autostart registry key 14->53 19 wscript.exe 1 14->19         started        22 conhost.exe 14->22         started        file8 signatures9 process10 signatures11 67 Wscript starts Powershell (via cmd or directly) 19->67 24 powershell.exe 12 19->24         started        process12 dnsIp13 47 ia601404.us.archive.org 207.241.227.124, 443, 49750 INTERNET-ARCHIVEUS United States 24->47 69 Writes to foreign memory regions 24->69 71 Injects a PE file into a foreign processes 24->71 28 aspnet_compiler.exe 2 2 24->28         started        32 conhost.exe 24->32         started        signatures14 process15 dnsIp16 49 185.19.85.168, 49759, 49769, 8888 DATAWIRE-ASCH Switzerland 28->49 79 Tries to steal Mail credentials (via file registry) 28->79 81 Contains functionality to steal Chrome passwords or cookies 28->81 83 Contains functionality to inject code into remote processes 28->83 85 4 other signatures 28->85 34 aspnet_compiler.exe 1 28->34         started        37 aspnet_compiler.exe 28->37         started        39 aspnet_compiler.exe 28->39         started        signatures17 process18 signatures19 63 Tries to steal Instant Messenger accounts or passwords 34->63 65 Tries to steal Mail credentials (via file access) 34->65
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4/
Threat name:
Script-WScript.Trojan.Valyria
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Status:
Malicious
First seen:
2021-06-25 06:55:23 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ejruzoxruygkjgnjw2jkv2ebz7626ic2i5k64nerlzkrf2uhzk2a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3c0df5607ab1e7bf906ce2be36ee0bb970c26baf19710f0c195ca9356a2d918f
RemcosRAT
5f06da67169389577ec237bfb0c3e0e9203833048f48081deed7b6201ad18c27
RemcosRAT
741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e
RemcosRAT
a5ae2e0f9a8f1c50e21ea93f4a195097753cd16436ffa4e946add38da873c8cb
RemcosRAT
b1849476d3b8900288d6bf7c9ac229eba5e64d665398302a0842c335259f6560
RemcosRAT
b61f6b794f38f736e90ae8aa04e5f71acc8d5470c08ef8841c16087b6710a388
RemcosRAT
ba4b51ae64c68b32d126322b51b41dce7c300c01faed97aca35ff142e121a914
RemcosRAT
dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0
RemcosRAT
f138fb2bb1b74757f02ed6159d3766cd5bbae760e04907ea7520bc09dd968783
RemcosRAT
f4dcc52b899bbe0d34ffbb44032c0186953c174beaf647c0556c7e71385c6bb4
RemcosRAT
+ 267 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/210625-sqz15h1c5a/
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://ia601408.us.archive.org/27/items/bypass_gshh/bypass_gshh.TXT
https://ia601404.us.archive.org/20/items/server-1faa/Server_1faa.txt
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/22634cbaf1a60ca499a9b692aae881cffdaf205a4755ee34915e5512ea87cab4

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
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Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
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Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
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Author:James_inthe_box
Description:Contains Keylog
Rule name:remcos_rat
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Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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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/168246/

Comments