MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
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SHA256 hash: dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0
SHA3-384 hash: 17dbf9a27885a830e87d77e6b5edf9229736c8967caa27a62429f2fd314e8eba52f5e1b4a88927fc3065d5046bdb11f4
SHA1 hash: c74e479ff249f1e8c248b8a67e318a61b1f1d5e4
MD5 hash: 2e95d045ff86903502b52f5fd0976aad
humanhash: louisiana-india-muppet-oklahoma
File name:Appraisa.vbs
Download: download sample
Signature RemcosRAT
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File size:662 bytes
First seen:2021-04-21 13:19:36 UTC
Last seen:2021-04-21 14:41:03 UTC
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12:Whmlh4iBHodpd0LynPFhyBF3zTcg3OlXof70jRu+lNmY/OLAW:Wk80Hgd1niBF3zl3Ol4fYRu6NmTLAW
Threatray 169 similar samples on MalwareBazaar
TLSH CA014616A72404E33551FE5360E2256CCEB659EB42C072600231D9779ABC6FAAE834E2
Reporter abuse_ch
Tags:RAT RemcosRAT vbs

Intelligence

File Origin
# of uploads :
4
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
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Link:
https://www.capesandbox.com/analysis/142126/
Detection(s):
SecuriteInfo.com.VB.Trojan.Valyria.4310.20425.7531.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a file
Enabling the 'hidden' option for recently created files
Creating a file in the %AppData% subdirectories
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/691029
Signature
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)
Obfuscated command line found
Sigma detected: Remcos
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected MSILLoadEncryptedAssembly
Yara detected Powershell download and execute
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 394453 Sample: Appraisa.vbs Startdate: 21/04/2021 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Detected Remcos RAT 2->46 48 5 other signatures 2->48 8 wscript.exe 1 2->8         started        process3 signatures4 58 VBScript performs obfuscated calls to suspicious functions 8->58 60 Wscript starts Powershell (via cmd or directly) 8->60 62 Obfuscated command line found 8->62 11 powershell.exe 14 23 8->11         started        process5 dnsIp6 32 ia601509.us.archive.org 207.241.227.119, 443, 49716 INTERNET-ARCHIVEUS United States 11->32 34 ia601401.us.archive.org 207.241.227.121, 443, 49727 INTERNET-ARCHIVEUS United States 11->34 36 ia801400.us.archive.org 207.241.228.140, 443, 49722 INTERNET-ARCHIVEUS United States 11->36 28 C:\Users\Public\ Microsoft.ps1, ASCII 11->28 dropped 64 Creates an undocumented autostart registry key 11->64 16 powershell.exe 23 11->16         started        19 conhost.exe 11->19         started        file7 signatures8 process9 signatures10 38 Writes to foreign memory regions 16->38 40 Injects a PE file into a foreign processes 16->40 21 aspnet_compiler.exe 2 2 16->21         started        process11 dnsIp12 30 194.5.97.183, 49734, 49736, 49739 DANILENKODE Netherlands 21->30 26 C:\Users\user\AppData\Roaming\...\logs.dat, data 21->26 dropped 50 Contains functionality to steal Chrome passwords or cookies 21->50 52 Contains functionality to inject code into remote processes 21->52 54 Contains functionality to steal Firefox passwords or cookies 21->54 56 2 other signatures 21->56 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0/
Threat name:
Script-WScript.Trojan.Valyria
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Status:
Malicious
First seen:
2021-04-21 14:11:59 UTC
File Type:
Text (VBS)
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3lut5gd2qvbfl72vz2pwe4u7c72x2p4kk2jtuv6lrxujw2moqhya._file
Verdict:
malicious
Label(s):
remcos
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Similar samples:
0a049a6f200348e229ebaa13728cd0d19de4839c741d4faec3dd64207860153d
RemcosRAT
0b71fa3fa8549d6a826faaeb1be86b5f866242f35afdb0c0bc7a8ba6c35981e7
RemcosRAT
29c65d4ad00f4134b8f56f3b19a5880b1e81e24a037cb431efad92eda57d2b26
RemcosRAT
375b5d8e986b228149dbe2f4cd9df92e697491052531a094fb7172ad0d25bd82
RemcosRAT
481d9a1417683843ff3bf8936227f69dbb80cad91b0c408bf30a99f889c09659
RemcosRAT
4a7f380de68e6969bcedffe6c7d5b01ac9ecd1f4df9f2bb79fb7fec94252e095
RemcosRAT
741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e
RemcosRAT
8017cf230cb7f4e72b6128a7e696821749c4990dbd446f8206d948c3ed6530ec
RemcosRAT
8acdca153a4e16a5ff668a0a5ad8c274d2307a88cda385575ee4fbb8374d2254
RemcosRAT
b61f6b794f38f736e90ae8aa04e5f71acc8d5470c08ef8841c16087b6710a388
RemcosRAT
+ 159 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210421-31rq23ykae/
Behaviour
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:
194.5.97.183:8888
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/dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0

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
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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/142126/

Comments